id stringlengths 1 4 | title stringlengths 13 200 | abstract stringlengths 67 2.93k | keyphrases list | prmu list |
|---|---|---|---|---|
134 | A model of periodic oscillation for genetic regulatory systems | In this paper, we focus on modeling and explaining periodic oscillations in gene-protein systems with a simple nonlinear model and on analyzing effects of time delay on the stability of oscillations. Our main model of genetic regulation comprises of a two-gene system with an autoregulatory feedback loop. We exploit mul... | [
"modeling",
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"genetic regulation",
"genetic regulatory system",
"gene-protein systems",
"nonlinear model",
"time delay",
"two-gene system",
"autoregulatory feedback loop",
"hysteretic properties",
"jumping dynamics",
"singular perturbation theory",
"biochemical reacti... | [
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977 | Behavior of Runge-Kutta discretizations near equilibria of index 2 differential algebraic systems | We analyze Runge-Kutta discretizations applied to index 2 differential algebraic equations (DAE's) near equilibria. We compare the geometric properties of the numerical and the exact solutions. It is shown that projected and half-explicit Runge-Kutta methods reproduce the qualitative features of the continuous system i... | [
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932 | Modeling of torsional vibration induced by extension-twisting coupling of anisotropic composite laminates with piezoelectric actuators | In this paper we present a dynamic analytical model for the torsional vibration of an anisotropic piezoelectric laminate induced by the extension-twisting coupling effect. In the present approach, we use the Hamilton principle and a reduced bending stiffness method for the derivation of equations of motion. As a result... | [
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"dynamic analytical model",
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"Hamilton principle",
"reduced bending stiffness",
"equations of motion",... | [
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1209 | High-level language support for user-defined reductions | The optimized handling of reductions on parallel supercomputers or clusters of workstations is critical to high performance because reductions are common in scientific codes and a potential source of bottlenecks. Yet in many high-level languages, a mechanism for writing efficient reductions remains surprisingly absent.... | [
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"parallel programming",
"scientific computing"
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66 | Regression testing of database applications | Database applications features such as Structured Query Language or SQL, exception programming, integrity constraints, and table triggers pose difficulties for maintenance activities; especially for regression testing that follows modifications to database applications. In this work, we address these difficulties and p... | [
"database applications",
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"SQL",
"exception programming",
"integrity constraints",
"table triggers",
"two phase regression testing methodology",
"data flow analysis",
"impact analysis",
"reduction algorithms",
"Graph Walk algorithm",
"control flow graph",
"Call Gr... | [
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619 | Wavelet-based image segment representation | An efficient representation method for arbitrarily shaped image segments is proposed. This method includes a smart way to select a wavelet basis to approximate the given image segment, with improved image quality and reduced computational load | [
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"DWT"
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1439 | On-line robust processing techniques for elimination of measurement drop-out | When processing measurement data, it is usually assumed that some amount of normally distributed measurement noise is present. In some situations, outliers are present in the measurements and consequently the noise is far from normally distributed. In this case classical least-squares procedures for estimating Fourier ... | [
"on-line robust processing techniques",
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"classical least-squares procedures",
"Fourier spectra",
"frequency response function",
"measurement outliers",
"computation speed",
"robust regression",
"optical vibration measurements",
"laser Doppler vibrometer",
... | [
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741 | Mothball mania [3G licences] | Telefonica Moviles has frozen its 3G operations in Germany, Austria, Italy and Switzerland. With other 3G licence holders questioning the logic of entering already saturated markets with unproven technology, Emma McClune asks if the mothball effect is set to snowball any further | [
"mothball",
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"saturated markets",
"mobile telephony"
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704 | Multicell converters: active control and observation of flying-capacitor voltages | The multicell converters introduced more than ten years ago make it possible to distribute the voltage constraints among series-connected switches and to improve the output waveforms (increased number of levels and apparent frequency). The balance of the constraints requires an appropriate distribution of the flying vo... | [
"multicell converters",
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"flying-capacitor voltages",
"series-connected switches",
"input voltage",
"Kalman filtering",
"multilevel systems",
"nonlinear systems",
"power electronics",
"power systems harmonics",
"output waveforms improvement"
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1351 | Analytic PCA construction for theoretical analysis of lighting variability in images of a Lambertian object | We analyze theoretically the subspace best approximating images of a convex Lambertian object taken from the same viewpoint, but under different distant illumination conditions. We analytically construct the principal component analysis for images of a convex Lambertian object, explicitly taking attached shadows into a... | [
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"principal eigenmodes",
"irradiance",
"spherical harmonics",
"surface normal vectors",
"analytic principal component analysis",
"five-dimensional subspace",
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1314 | Multi-timescale Internet traffic engineering | The Internet is a collection of packet-based hop-by-hop routed networks. Internet traffic engineering is the process of allocating resources to meet the performance requirements of users and operators for their traffic. Current mechanisms for doing so, exemplified by TCP's congestion control or the variety of packet ma... | [
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"resource allocation",
"control timescale",
"operator services",
"admission control",
"ECN proxy",
"BGP routing protocol"
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897 | Optimization of advertising expenses in the functioning of an insurance company | With the use of Pontryagin's maximum principle, a problem of optimal time distribution of advertising expenses in the functioning of an insurance company is solved | [
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"insurance company",
"optimal time distribution",
"Pontryagin maximum principle",
"differential equations"
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1050 | Secrets of the Glasgow Haskell compiler inliner | Higher-order languages such as Haskell encourage the programmer to build abstractions by composing functions. A good compiler must inline many of these calls to recover an efficiently executable program. In principle, inlining is dead simple: just replace the call of a function by an instance of its body. But any compi... | [
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"executable program",
"performance",
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"functional programming",
"functional language",
"optimising compiler"
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1015 | Scalable techniques from nonparametric statistics for real time robot learning | Locally weighted learning (LWL) is a class of techniques from nonparametric statistics that provides useful representations and training algorithms for learning about complex phenomena during autonomous adaptive control of robotic systems. The paper introduces several LWL algorithms that have been tested successfully i... | [
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"training algorithms",
"complex phenomena",
"autonomous adaptive control",
"devil-sticking",
"pole-balancing",
"humanoid robot arm",
"inverse-dynamics learning",
"statistical neural netw... | [
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1268 | Reachability in contextual nets | Contextual nets, or Petri nets with read arcs, are models of concurrent systems with context dependent actions. The problem of reachability in such nets consists in finding a sequence of transitions that leads from the initial marking of a given contextual net to a given goal marking. The solution to this problem that ... | [
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678 | Marketing in CSIR libraries and information centres: a study on promotional efforts | This paper examines the attitudes of librarians towards the promotional aspects in several CSIR libraries and information centres of India. The issues related to promotional activities of these libraries have been evaluated to determine the extent to which they are being practised. Librarians hold positive attitudes ab... | [
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"information centres",
"India",
"promotional activities",
"information needs"
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110 | A switching synchronization scheme for a class of chaotic systems | In this Letter, we propose an observer-based synchronization scheme for a class of chaotic systems. This class of systems are given by piecewise-linear dynamics. By using some properties of such systems, we give a procedure to construct the gain of the observer. We prove various stability results and comment on the rob... | [
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"piecewise-linear dynamics",
"robustness",
"state observers"
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953 | Take it to the next level [law firm innovation] | It's called innovating. Our clients do it. Our culture worships it. Our future hinges on it. Why is it so difficult in law firms? How can we make it easier? Viva la difference! | [
"law firms",
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"P",
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916 | Attribute generation based on association rules | A decision tree is considered to be appropriate (1) if the tree can classify the unseen data accurately, and (2) if the size of the tree is small. One of the approaches to induce such a good decision tree is to add new attributes and their values to enhance the expressiveness of the training data at the data pre-proces... | [
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"decision tree",
"training data",
"attribute extraction",
"data mining",
"experiments",
"large database"
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584 | Hybrid fuzzy modeling of chemical processes | Fuzzy models have been proved to have the ability of modeling all plants without any priori information. However, the performance of conventional fuzzy models can be very poor in the case of insufficient training data due to their poor extrapolation capacity. In order to overcome this problem, a hybrid grey-box fuzzy m... | [
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"chemical processes",
"expert fuzzy model",
"fuzzy decision module",
"process modeling"
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1194 | New methods for oscillatory problems based on classical codes | The numerical integration of differential equations with oscillatory solutions is a very common problem in many fields of the applied sciences. Some methods have been specially devised for this kind of problem. In most of them, the calculation of the coefficients needs more computational effort than the classical codes... | [
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"numerical integration",
"differential equations",
"oscillatory solutions",
"perturbed oscillators"
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1169 | An efficient algorithm for sequential generation of failure states in a network with multi-mode components | In this work, a new algorithm for the sequential generation of failure states in a network with multi-mode components is proposed. The algorithm presented in the paper transforms the state enumeration problem into a K-shortest paths problem. Taking advantage of the inherent efficiency of an algorithm for shortest paths... | [
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"CPU time",
"multi-mode components reliability",
"sequential failure states generation algorithm",
"network failure states"
] | [
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579 | Steinmetz system design under unbalanced conditions | This paper studies and develops general analytical expressions to obtain three-phase current symmetrization under unbalanced voltage conditions. It proposes two procedures for this symmetrization: the application of the traditional expressions assuming symmetry conditions and the use of optimization methods based on th... | [
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"three-phase current symmetrization",
"unbalanced voltage conditions",
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"general analytical equations",
"power system control design",
"balanced voltage assumption"
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685 | Robotically enhanced placement of left ventricular epicardial electrodes during implantation of a biventricular implantable cardioverter defibrillator system | Biventricular pacing has gained increasing acceptance in advanced heart failure patients. One major limitation of this therapy is positioning the left ventricular stimulation lead via the coronary sinus. This report demonstrates the feasibility of totally endoscopic direct placement of an epicardial stimulation lead on... | [
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"coronary sinus",
"totally endoscopic direct placement",
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"left ventricular pacing",
"biventricular implantable cardioverter defibrillator system implantation",
"left ventricula... | [
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1295 | Development of visual design steering as an aid in large-scale multidisciplinary design optimization. II. Method validation | For pt. I see ibid., pp. 412-24. Graph morphing, the first concept developed under the newly proposed paradigm of visual design steering (VDS), is applied to optimal design problems. Graph morphing, described in Part I of this paper, can be used to provide insights to a designer to improve efficiency, reliability, and ... | [
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1074 | Inhibiting decoherence via ancilla processes | General conditions are derived for preventing the decoherence of a single two-state quantum system (qubit) in a thermal bath. The employed auxiliary systems required for this purpose are merely assumed to be weak for the general condition while various examples such as extra qubits and extra classical fields are studie... | [
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1031 | Noise-constrained hyperspectral data compression | Storage and transmission requirements for hyperspectral data sets are significant. To reduce hardware costs, well-designed compression techniques are needed to preserve information content while maximizing compression ratios. Lossless compression techniques maintain data integrity, but yield small compression ratios. W... | [
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798 | ClioWeb, ClioRequest, and Clio database: enhancing patron and staff satisfaction | Faced with increased demand from students and faculty for a speedier and more user-friendly method of obtaining materials from other institutions, the interlibrary loan (ILL) department sought to implement a management system which would accomplish the task. Students wanted remote interconnectivity to the system and st... | [
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765 | Simulating fermions on a quantum computer | The real-time probabilistic simulation of quantum systems in classical computers is known to be limited by the so-called dynamical sign problem, a problem leading to exponential complexity. In 1981 Richard Feynman raised some provocative questions in connection to the "exact imitation" of such systems using a special d... | [
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720 | 19in monitors [CRT survey] | Upgrade your monitor from as little as Pounds 135. With displays on test and ranging up to Pounds 400, whether you're after the last word in quality or simply looking for again, this Labs holds the answer. Looks at ADI MicroScan M900, CTX PR960F, Eizo FlexScan T766, Hansol 920D, Hansol920P, Hitachi CM715ET, Hitachi CM7... | [
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"Hitachi CM721FET",
"liyama Vision Master Pro 454",
"LG Flatron 915FT Plus",
"Mitsubishi Diamond Pro 920",
"NEC MultiSync FE950",
"Philips 109... | [
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1375 | Evaluation of the usability of digital maintenance manuals developed without either user input or a task analysis | The primary objective was to investigate the value that can be added to a low-cost digital maintenance manual by the addition of a navigational aid. Two versions of a digital maintenance manual were developed, the difference between them being the number of design heuristics observed when designing navigational aids. N... | [
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1330 | Strobbe Graphics' next frontier: CTP for commercial printers | Strobbe is one of the more successful makers of newspaper platesetters, which are sold by Agfa under the Polaris name. But the company also has a growing presence in commercial printing markets, where it sells under its own name | [
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1458 | Direct gear tooth contact analysis for hypoid bevel gears | A new methodology for tooth contact analysis based on a very general mathematical model of the generating process is proposed. Considering the line of action as a first order singularity of a certain operator equation we develop first and second order conditions for a pair of generated gear tooth flanks to be in contac... | [
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1089 | Accuracy and stability of splitting with Stabilizing Corrections | This paper contains a convergence analysis for the method of stabilizing corrections, which is an internally consistent splitting scheme for initial-boundary value problems. To obtain more accuracy and a better treatment of explicit terms several extensions are regarded and analyzed. The relevance of the theoretical re... | [
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758 | Four-terminal quantum resistor network for electron-wave computing | Interconnected ultrathin conducting wires or, equivalently, interconnected quasi-one-dimensional electron waveguides, which form a quantum resistor network, are presented here in four-terminal configurations. The transmission behaviors through such four-terminal networks are evaluated and classified. In addition, we sh... | [
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"multiple elastic scatterers",
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"logic functions",
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"Buttiker symme... | [
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1348 | Reconstructing surfaces by volumetric regularization using radial basis functions | We present a new method of surface reconstruction that generates smooth and seamless models from sparse, noisy, nonuniform, and low resolution range data. Data acquisition techniques from computer vision, such as stereo range images and space carving, produce 3D point sets that are imprecise and nonuniform when compare... | [
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"3D implicit surface",
"weighted radial basis func... | [
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1420 | PDF subscriptions bolster revenue | In 1999 SD Times offered prospective subscribers the option of receiving their issues as Adobe Acrobat PDF files. What set the proposal apart from what other publishers were doing electronically on the Web was that readers would get the entire version of the paper-including both advertising and editorial just as it loo... | [
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836 | Recruitment and retention of women graduate students in computer science and engineering: results of a workshop organized by the Computing Research Association | This document is the report of a workshop that convened a group of experts to discuss the recruitment and retention of women in computer science and engineering (CSE) graduate programs. Participants included long-time members of the CSE academic and research communities, social scientists engaged in relevant research, ... | [
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873 | Programmatic efforts encouraging women to enter the information technology workforce | For over a decade the National Science Foundation (NSF) has been supporting projects designed to improve opportunities for women in computing. From an initial emphasis on increasing the number of women in graduate school studying computer science and engineering, NSF's current emphasis has broadened to include research... | [
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1049 | A typed representation for HTML and XML documents in Haskell | We define a family of embedded domain specific languages for generating HTML and XML documents. Each language is implemented as a combinator library in Haskell. The generated HTML/XML documents are guaranteed to be well-formed. In addition, each library can guarantee that the generated documents are valid XML documents... | [
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"combinator library",
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"parameterized documents",
"conditional content",
"Web sites",
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"HTML documents",
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"P",
"P",
"P",
"R",
"M",
"M"
] |
1111 | The contiguity in R/M | An r.e. degree c is contiguous if deg/sub wtt/(A)=deg/sub wtt/(B) for any r.e. sets A,B in c. In this paper, we generalize the notation of contiguity to the structure R/M, the upper semilattice of the r.e. degree set R modulo the cappable r.e. degree set M. An element [c] in R/M is contiguous if [deg/sub wtt/(A)]=[deg/... | [
"contiguity",
"upper semilattice",
"nonzero element",
"Turing degree",
"recursively enumerable set",
"recursion theory"
] | [
"P",
"P",
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"M",
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] |
1154 | The effect of voxel size on the accuracy of dose-volume histograms of prostate /sup 125/I seed implants | Cumulative dose-volume histograms (DVH) are crucial in evaluating the quality of radioactive seed prostate implants. When calculating DVHs, the choice of voxel size is a compromise between computational speed (larger voxels) and accuracy (smaller voxels). We quantified the effect of voxel size on the accuracy of DVHs u... | [
"voxel size",
"I",
"prostate /sup 125/I seed implants",
"cumulative dose-volume histograms",
"radioactive seed prostate implants",
"computational speed",
"in-house computer program",
"hand-calculated dose-volume histograms",
"single-seed dose-volume histograms",
"/sup 125/I model",
"/sup 125/I p... | [
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993 | A large deviations analysis of the transient of a queue with many Markov fluid inputs: approximations and fast simulation | This article analyzes the transient buffer content distribution of a queue fed by a large number of Markov fluid sources. We characterize the probability of overflow at time t, given the current buffer level and the number of sources in the on-state. After scaling buffer and bandwidth resources by the number of sources... | [
"large deviations analysis",
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"transient overflow probability",
"simulation methods",
"importance sampling",
"computational complexity",
"buffer resources",
"ATM multiplexers",
"IP routers",... | [
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544 | Virtual reality treatment of flying phobia | Flying phobia (FP) might become a very incapacitating and disturbing problem in a person's social, working, and private areas. Psychological interventions based on exposure therapy have proved to be effective, but given the particular nature of this disorder they bear important limitations. Exposure therapy for FP migh... | [
"flying phobia",
"psychology",
"psychological interventions",
"exposure therapy",
"medical virtual reality",
"patient treatment",
"anxiety disorders",
"virtual exposure"
] | [
"P",
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82 | Bit-serial AB/sup 2/ multiplier using modified inner product | This paper presents a new multiplication algorithm and, based on this algorithm, proposes a hardware architecture, called modified inner-product multiplier (MIPM), which computes AB/sup 2/ multiplication based on a linear feedback shift register (LFSR). The algorithm is based on the property of the irreducible all one ... | [
"bit-serial AB/sup 2/ multiplier",
"modified inner product",
"multiplication algorithm",
"hardware architecture",
"modified inner-product multiplier",
"linear feedback shift register",
"irreducible all one polynomial",
"space complexity",
"public-key cryptosystem",
"time complexity"
] | [
"P",
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] |
1210 | Adaptive optimizing compilers for the 21st century | Historically, compilers have operated by applying a fixed set of optimizations in a predetermined order. We call such an ordered list of optimizations a compilation sequence. This paper describes a prototype system that uses biased random search to discover a program-specific compilation sequence that minimizes an expl... | [
"optimizations",
"optimizing compilers",
"compilers",
"compilation sequence",
"biased random search",
"adaptive compiler",
"configurable compilers"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
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] |
1255 | Succession in standardization: grafting XML onto SGML | Succession in standardization is often a problem. The advantages of improvements must be weighed against those of compatibility. If compatibility considerations dominate, a grafting process takes place. According to our taxonomy of succession, there are three types of outcomes. A Type I succession, where grafting is su... | [
"standardization",
"XML",
"SGML",
"grafting process",
"Type I succession",
"Extensible Markup Language",
"Standard Generalized Markup Language"
] | [
"P",
"P",
"P",
"P",
"P",
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] |
600 | Development of railway VR safety simulation system | Abnormal conditions occur in railway transportation due to trouble or accidents and it affects a number of passengers. It is very important, therefore, to quickly recover and return to normal train operation. For this purpose we developed a system, "Computer VR Simulation System for the Safety of Railway Transportation... | [
"railway transportation",
"accidents",
"normal train operation",
"Computer VR Simulation System",
"virtual reality simulation system",
"abnormal conditions correction"
] | [
"P",
"P",
"P",
"P",
"R",
"R"
] |
645 | Oxygen-enhanced MRI of the brain | Blood oxygenation level-dependent (BOLD) contrast MRI is a potential method for a physiological characterization of tissue beyond mere morphological representation. The purpose of this study was to develop evaluation techniques for such examinations using a hyperoxia challenge. Administration of pure oxygen was applied... | [
"oxygen-enhanced MRI",
"brain",
"hyperoxia",
"physiological response function",
"correlation analysis",
"venous reaction",
"significance threshold",
"BOLD contrast MRI",
"oxygen breathing",
"normal air breathing",
"paradigm complexity",
"MRI contrast agent",
"functional imaging",
"Fourier ... | [
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1396 | Construction of double sampling s-control charts for agile manufacturing | Double sampling (DS) X-control charts are designed to allow quick detection of a small shift of process mean and provides a quick response in an agile manufacturing environment. However, the DS X-control charts assume that the process standard deviation remains unchanged throughout the entire course of the statistical ... | [
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"process standard deviation",
"statistical process control",
"genetic algorithm",
"double sampling X-control charts",
"process mean shift detection"
] | [
"P",
"P",
"P",
"P",
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] |
7 | Anti-spam suit attempts to hold carriers accountable | A lawsuit alleges that Sprint has violated Utah's new anti-spam act. The action could open the door to new regulations on telecom service providers | [
"lawsuit",
"Sprint",
"anti-spam act",
"regulations",
"telecom service providers"
] | [
"P",
"P",
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] |
1403 | IT: Utilities | A look at five utilities to make your PCs more, efficient, effective, and efficacious | [
"utilities",
"PCs",
"MobileMessenger",
"Post-it software",
"EasyNotes",
"Print Shop Pro",
"Download Accelerator Plus"
] | [
"P",
"P",
"U",
"U",
"U",
"U",
"U"
] |
1097 | A study on an automatic seam tracking system by using an electromagnetic sensor for sheet metal arc welding of butt joints | Many sensors, such as the vision sensor and the laser displacement sensor, have been developed to automate the arc welding process. However, these sensors have some problems due to the effects of arc light, fumes and spatter. An electromagnetic sensor, which utilizes the generation of an eddy current, was developed for... | [
"automatic seam tracking system",
"electromagnetic sensor",
"sheet metal arc welding",
"butt joints",
"root gap size",
"seam tracking accuracy",
"eddy current generation",
"weld line detection"
] | [
"P",
"P",
"P",
"P",
"P",
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] |
1446 | The Tattletale technique | Practical experience has taught many Java developers one thing: critical resources (mutexes, database connections, transactions, file handles, etc.) require timely and systematic release. Unfortunately, Java's garbage collector is not up to that job. According to the Java Language Specification, there are no guarantees... | [
"Tattletale technique",
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"database connections",
"transactions",
"file handles",
"garbage collector",
"resource-releasing code",
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850 | Encouraging women in computer science | At a cost to both their own opportunities and society's ability to produce people with much-needed technical skills, women continue to be underrepresented in computer science degree programs at both the undergraduate and graduate level. Although some of the barriers that women face have their foundations in cultural ex... | [
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"undergraduate level",
"women student recruitment",
"women student retention"
] | [
"P",
"P",
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"R",
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815 | The canonical dual frame of a wavelet frame | We show that there exist wavelet frames that have nice dual wavelet frames, but for which the canonical dual frame does not consist of wavelets, i.e., cannot be generated by the translates and dilates of a single function | [
"canonical dual frame",
"wavelet frame",
"Gabor frames",
"multiresolution hierarchy",
"compact support"
] | [
"P",
"P",
"M",
"U",
"U"
] |
1276 | A comparative study of some generalized rough approximations | In this paper we focus upon a comparison of some generalized rough approximations of sets, where the classical indiscernibility relation is generalized to any binary reflexive relation. We aim at finding the best of several candidates for generalized rough approximation mappings, where both definability of sets by elem... | [
"generalized rough approximations",
"classical indiscernibility relation",
"binary reflexive relation",
"generalized rough approximation mappings",
"elementary granules"
] | [
"P",
"P",
"P",
"P",
"P"
] |
1233 | Advanced optimization strategies in the Rice dHPF compiler | High-Performance Fortran (HPF) was envisioned as a vehicle for modernizing legacy Fortran codes to achieve scalable parallel performance. To a large extent, today's commercially available HPF compilers have failed to deliver scalable parallel performance for a broad spectrum of applications because of insufficiently po... | [
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"automatic parallelization"
] | [
"P",
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623 | Stochastic recurrences of Jackpot Keno | We describe a mathematical model and simulation study for Jackpot Keno, as implemented by Jupiters Network Gaming (JNG) in the Australian state of Queensland, and as controlled by the Queensland Office of Gaming Regulation (QOGR) (http://www.qogr.qld.gov.au/keno.shtml). The recurrences for the house net hold are derive... | [
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"inverse problem",
"stochastic binary search",
"experimental results",
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] |
908 | Multivariable H/sub infinity // mu feedback control design for high-precision wafer stage motion | Conventional PID-like SISO controllers are still the most common in industry, but with performance requirements becoming tighter there is a growing need for advanced controllers. For the positioning devices in IC-manufacturing, plant interaction is a major performance-limiting factor. MIMO control can be invoked to tac... | [
"feedback",
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"IC manufacture",
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"model uncertainty",
"motion control",
"mechatronics",
"mu synthesis"
] | [
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1177 | Comparative statistical analysis of hole taper and circularity in laser percussion drilling | Investigates the relationships and parameter interactions between six controllable variables on the hole taper and circularity in laser percussion drilling. Experiments have been conducted on stainless steel workpieces and a comparison was made between stainless steel and mild steel. The central composite design was em... | [
"comparative statistical analysis",
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"central composite design",
"process performance",
"linear multiple regression technique",
"analysis of variance",
"ANOVA",
"complete residual analysis",
... | [
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] |
1132 | Semidefinite programming vs. LP relaxations for polynomial programming | We consider the global minimization of a multivariate polynomial on a semi-algebraic set Omega defined with polynomial inequalities. We then compare two hierarchies of relaxations, namely, LP relaxations based on products of the original constraints, in the spirit of the RLT procedure of Sherali and Adams (1990), and r... | [
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"global minimization",
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"RLT procedure",
"real algebraic geometry",
"semidefinite programming relaxations",
"reformulation linearization technique",
"constraint products"
] | [
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] |
567 | Hidden Markov model-based tool wear monitoring in turning | This paper presents a new modeling framework for tool wear monitoring in machining processes using hidden Markov models (HMMs). Feature vectors are extracted from vibration signals measured during turning. A codebook is designed and used for vector quantization to convert the feature vectors into a symbol sequence for ... | [
"hidden Markov models",
"tool wear monitoring",
"machining processes",
"vibration signals",
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"tool state detection",
"feature extraction",
"turning process",
"HMM training",
"discrete wavelet transform"
] | [
"P",
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] |
61 | Application of time-frequency principal component analysis to text-independent speaker identification | We propose a formalism, called vector filtering of spectral trajectories, that allows the integration of a number of speech parameterization approaches (cepstral analysis, Delta and Delta Delta parameterizations, auto-regressive vector modeling, ...) under a common formalism. We then propose a new filtering, called con... | [
"time-frequency principal component analysis",
"text-independent speaker identification",
"vector filtering",
"spectral trajectories",
"speech parameterization",
"cepstral analysis",
"Delta Delta parameterization",
"Delta parameterization",
"auto-regressive vector modeling",
"contextual principal ... | [
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935 | Experimental feedforward and feedback control of a one-dimensional SMA composite | The control of embedded shape memory alloy (SMA) actuators has recently become a topic of interest in the field of smart structures. The inherent difficulties associated with SMA actuators has resulted in a variety of approaches. Homogenization provides a simplified, yet mathematically rigorous, method of determining a... | [
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"smart structures",
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"models",
"thermal activation",
"linear matrix"
] | [
"P",
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"P",
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] |
970 | Complex dynamics in nearly symmetric three-cell cellular neural networks | The paper introduces a class of third-order nonsymmetric Cellular Neural Networks (CNNs), and shows through computer simulations that they undergo a cascade of period doubling bifurcations which leads to the birth of a large-size complex attractor. A major point is that these bifurcations and complex dynamics happen in... | [
"complex dynamics",
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"CNN",
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"large-size complex attractor",
"symmetric interconnection matrix",
"robustness",
"complete stability",
"perturbations",
"stable limit cycles",
"differential equations",
"neuron i... | [
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133 | L/sub p/ stability and linearization | A theorem by Hadamard gives a two-part condition under which a map from one Banach space to another is a homeomorphism. The theorem, while often very useful, is incomplete in the sense that it does not explicitly specify the family of maps for which the condition is met. Recently, under a typically weak additional assu... | [
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"Hadamard's condition",
"Lipschitz continuous inverse",
"nonlinear system",
"linear systems",
"feedback systems"
] | [
"P",
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703 | Direct self control with minimum torque ripple and high dynamics for a double three-level GTO inverter drive | A highly dynamic control scheme with very low torque ripple-direct self control (DSC) with torque hysteresis control-for very high-power medium-voltage induction motor drives fed by a double three-level inverter (D3LI) is presented. In this arrangement, two three-level inverters that are connected in parallel at their ... | [
"direct self control",
"highly dynamic control scheme",
"medium-voltage induction motor drives",
"double three-level inverter",
"open motor windings",
"stator flux",
"torque quality",
"very low torque ripple",
"torque hysteresis control",
"parallel connected inverters",
"variable-speed drives",
... | [
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] |
746 | Real-time transmission of pediatric echocardiograms using a single ISDN line | We tested the adequacy of a videoconferencing system using a single integrated systems digital network (ISDN) line (128 kilobits per second) for the remote diagnosis of children with suspected congenital heart disease (CHD). Real-time echocardiogram interpretation was compared to subsequent videotape review in 401 stud... | [
"single ISDN line",
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"children",
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"real-time echocardiogram interpretation",
"videotape review",
"immediate patient transfer",
"real-time pediatric echocardiogram transmission",
"remote patient management"
] | [
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] |
1313 | A collocation formulation of multistep methods for variable step-size extensions | Multistep methods are classically constructed by specially designed difference operators on an equidistant time grid. To make them practically useful, they have to be implemented by varying the step-size according to some error-control algorithm. It is well known how to extend Adams and BDF formulas to a variable step-... | [
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"equidistant time grid",
"error-control algorithm",
"piecewise polynomials",
"k-step method",
"variable step-size polynomial collocation formulation"
] | [
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1356 | Five-axis NC milling of ruled surfaces: optimal geometry of a conical tool | The side milling of ruled surfaces using a conical milling cutter was studied. This is a field that has largely been ignored by research scientists, but it is much used in industry, especially to machine turbine blades. We first suggest an improved positioning with respect to the directrices of the ruled surface. As co... | [
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"conical milling cutter",
"positioning",
"cutter dimensions",
"tolerance interval"
] | [
"P",
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828 | Verizon leapfrogs Sprint PCS with Q2 subscriber numbers | The wireless carrier industry's second-quarter results showed a surprising shift in market share as Sprint PCS fell from grace after a nearly four-year lead in subscriber additions and Verizon Wireless added considerably more customers than analysts expected | [
"Sprint PCS",
"wireless carrier industry",
"Verizon Wireless"
] | [
"P",
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] |
890 | Multiple criteria decision making without optimization | We present a development intended to make interactive decision making schemes accessible for a wider spectrum of decision makers. To this aim we propose to eliminate the need to solve optimization problems at successive iterations of interactive decision processes. We show that the need for optimization can be eliminat... | [
"multiple criteria decision making",
"interactive decision making schemes",
"decision makers",
"efficient decisions",
"criteria values bounds"
] | [
"P",
"P",
"P",
"P",
"R"
] |
1012 | Evolving receptive-field controllers for mobile robots | The use of evolutionary methods to generate controllers for real-world autonomous agents has attracted attention. Most of the pertinent research has employed genetic algorithms or variations thereof. Research has applied an alternative evolutionary method, evolution strategies, to the generation of simple Braitenberg v... | [
"receptive-field controllers",
"mobile robots",
"evolutionary methods",
"real-world autonomous agents",
"evolution strategies",
"simple Braitenberg vehicles",
"nonlinear interactions",
"complex behavior",
"radial basis functions",
"scalability"
] | [
"P",
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1057 | Acceptance of a price discount: the role of the semantic relatedness between purchases and the comparative price format | Two studies are reported where people are asked to accept or not a price reduction on a target product. In the high (low) relative saving version, the regular price of the target product is low (high). In both versions, the absolute value of the price reduction is the same as well as the total of regular prices of plan... | [
"comparative price format",
"planned purchases",
"preference reversal",
"low-priced product",
"mental accounting shifts",
"price discount acceptance",
"semantic relatedness hypothesis",
"high relative saving version",
"low relative saving version"
] | [
"P",
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911 | Scheduling schemes for an integrated flight and propulsion control system | We describe two schemes for scheduling an integrated flight and propulsion control system for an experimental vertical/short take-off and landing (V/STOL) aircraft concept in the acceleration from hover (0-120 kn) flight phase. Multivariable integrated flight and propulsion controllers are designed at several points ov... | [
"scheduling",
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"observers",
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"vertical short take-off landing aircraft",
"VSTOL aircraft",
"flight control",
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] | [
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583 | Neural networks in optimal filtration | The combined use and mutual influence of neural networks and optimal filtering is considered; the neural-network and filtering approaches are compared by solving two simple optimal-filtering problems: linear filtering and the filtering of a binary telegraph signal corresponding to observations in discrete white noise | [
"neural networks",
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"linear filtering",
"binary telegraph signal",
"observations",
"discrete white noise"
] | [
"P",
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954 | Caring for your new lawyers | In any given year, a striking number of lawyers are in a state of flux, from newly minted law school graduates looking for their first job, to senior litigators migrating to new challenges with new firms. The one certainty is that lawyers new to any firm need care and feeding in myriad ways. All of them need to know an... | [
"new lawyers",
"firm's culture",
"resources"
] | [
"P",
"P",
"P"
] |
117 | Multiresolution Markov models for signal and image processing | Reviews a significant component of the rich field of statistical multiresolution (MR) modeling and processing. These MR methods have found application and permeated the literature of a widely scattered set of disciplines, and one of our principal objectives is to present a single, coherent picture of this framework. A ... | [
"multiresolution Markov models",
"wavelets",
"multigrid methods",
"pyramidally organized trees",
"1/f processes",
"statistical multiresolution modeling",
"self-similar processes"
] | [
"P",
"P",
"P",
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] |
1193 | Operator splitting and approximate factorization for taxis-diffusion-reaction models | In this paper we consider the numerical solution of 2D systems of certain types of taxis-diffusion-reaction equations from mathematical biology. By spatial discretization these PDE systems are approximated by systems of positive, nonlinear ODEs (Method of Lines). The aim of this paper is to examine the numerical integr... | [
"operator splitting",
"approximate factorization",
"taxis-diffusion-reaction models",
"numerical solution",
"mathematical biology",
"spatial discretization",
"PDE systems",
"nonlinear ODEs",
"numerical integration",
"approximate matrix factorization",
"Runge-Kutta methods",
"linearly implicit ... | [
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] |
682 | Information and information technology | This paper reveals the concepts of information and information technology. It also describes the close relationship between information and information technology. It explains a basic mechanism of different devices of information technology and connotes how they are useful to store, process and retrieve the information... | [
"information",
"information technology",
"Indian universities",
"information storage",
"information processing",
"information retrieval"
] | [
"P",
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] |
1292 | The heat is on [building automation systems] | Integrating building automation systems (BASs) can result in systems that have the ability to sense changes in the air temperature through a building's heating, ventilation, and air conditioning (HVAC) systems. Taking advantages of the Internet, using remote monitoring, and building interoperability through open protoc... | [
"heating",
"building automation systems",
"ventilation",
"air conditioning",
"HVAC",
"Internet",
"remote monitoring",
"interoperability",
"real-time data"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"P"
] |
1036 | Nonlinear control of a shape memory alloy actuated manipulator | This paper presents a nonlinear, robust control algorithm for accurate positioning of a single degree of freedom rotary manipulator actuated by Shape Memory Alloy (SMA). A model for an SMA actuated manipulator is presented. The model includes nonlinear dynamics of the manipulator, a constitutive model of Shape Memory A... | [
"nonlinear control",
"shape memory alloy",
"manipulator",
"positioning",
"nonlinear dynamics",
"closed loop",
"open loop",
"variable structure control",
"control gain switching",
"feedback",
"stabilization",
"tracking"
] | [
"P",
"P",
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"P",
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] |
1073 | Quantum retrodiction in open systems | Quantum retrodiction involves finding the probabilities for various preparation events given a measurement event. This theory has been studied for some time but mainly as an interesting concept associated with time asymmetry in quantum mechanics. Recent interest in quantum communications and cryptography, however, has ... | [
"quantum retrodiction",
"open systems",
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"preparation events",
"measurement event",
"time asymmetry",
"quantum mechanics",
"quantum communications",
"cryptography",
"backward time evolution",
"preparation probabilities",
"retrodictive master equation",
"driven two level atom-... | [
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] |
849 | Ten years of strategies to increase participation of women in computing programs. The Central Queensland University experience: 1999-2001 | In the late eighties, the participation rate of women in information technology courses in most Australian Universities was around 25%. This low level of women's participation in computing courses occurs not only in Australia but also overseas. More studies indicate that the participation rates have not improved and in... | [
"women",
"computing programs",
"Central Queensland University",
"Australian Higher Education",
"demographics"
] | [
"P",
"P",
"P",
"P",
"P"
] |
727 | Life after bankruptcy [telecom carriers] | How comeback telecom carriers are changing industry economics, and why others may have no choice but to follow their lead | [
"bankruptcy",
"telecom carriers",
"industry economics",
"restructured companies",
"debt levels"
] | [
"P",
"P",
"P",
"U",
"U"
] |
762 | Quantum computing with spin qubits in semiconductor structures | We survey recent work on designing and evaluating quantum computing implementations based on nuclear or bound-electron spins in semiconductor heterostructures at low temperatures and in high magnetic fields. General overview is followed by a summary of results of our theoretical calculations of decoherence time scales ... | [
"quantum computing",
"spin qubits",
"semiconductor structures",
"semiconductor heterostructures",
"low temperatures",
"high magnetic fields",
"spin-spin interactions",
"dominant carrier",
"spin dynamics",
"integer quantum Hall regime",
"2D electron gas",
"2DEG",
"spin-excitons exchange",
"... | [
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1337 | Some properties of Hadamard matrices coming from dihedral groups | H. Kimura (1996) introduced a method to construct Hadamard matrices of degree 8n + 4 from the dihedral group of order 2n. In this paper we study some properties of this construction | [
"Hadamard matrices",
"dihedral groups"
] | [
"P",
"P"
] |
1372 | Knowledge acquisition and ontology modelling for construction of a control and monitoring expert system | This paper presents the processes of knowledge acquisition and ontology development for structuring the knowledge base of an expert system. Ontological engineering is a process that facilitates construction of the knowledge base of an intelligent system. Ontology is the study of the organization and classification of k... | [
"knowledge acquisition",
"ontology modelling",
"control and monitoring expert system",
"knowledge base",
"ontological engineering",
"intelligent system",
"artificial intelligence",
"inferential modelling technique",
"petroleum-production facility",
"knowledge reuse"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"R"
] |
1427 | Training for trouble | In a security context, one example of digitized video's integration into a networked knowledge base is found in the Accident Response Group (ARG) at Sandia National Labs. A "national security laboratory" headquartered in Albuquerque, New Mexico, Sandia is operated by Lockheed Martin and primarily funded by the U.S. Dep... | [
"networked knowledge base",
"Accident Response Group",
"Sandia National Labs",
"national security laboratory",
"U.S. nuclear weapons programs",
"searchable video database",
"Screening Room package",
"public-sector clients",
"digitized video integration",
"rich media content"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"R",
"M"
] |
874 | The curious ways of professional cultures and the "two-body opportunity" | When two professionals are a couple, we sometimes refer to them as having a "two-body problem." However, when each partner of a couple exists in the same cultures, they also have an opportunity for deeply shared understanding and empathy, simply because each understands at a deep level the culture in which the other wo... | [
"professional cultures",
"two-body opportunity",
"computer science",
"academics"
] | [
"P",
"P",
"P",
"P"
] |
831 | Software vendors' failure fuels consolidation theories [telecom interconnection and billing] | As independent software vendors like AP Engines fall by the wayside as independent entities, attrition could accelerate consolidation in the OSS space | [
"consolidation",
"telecom interconnection",
"AP Engines",
"telecom billing",
"operations supports systems",
"Quintessent"
] | [
"P",
"P",
"P",
"R",
"U",
"U"
] |
889 | Synthesis of the control systems via reflection onto auxiliary surfaces | An approach to robust control systems synthesis, both linear and nonlinear, and nonstationary is offered. The control is carried out, providing the given phase constraints varied in acceptable limits, in view of constraints on its value and incompleteness of the information about functioning disturbances. The approach ... | [
"auxiliary surfaces",
"robust control systems",
"control systems synthesis",
"integral inequalities",
"linear equivalent moving",
"linear systems",
"nonlinear systems",
"algebraic inequalities"
] | [
"P",
"P",
"P",
"P",
"P",
"R",
"R",
"R"
] |
85 | Strategic implementation of IT/IS projects in construction: a case study | The need for improved implementation of Information Technology (IT) and Information Systems (IS) has been emphasised in both empirical and prescriptive research studies. This problem is magnified in the construction industry, which has been slow to embrace and utilise new technologies with negative consequences on prod... | [
"strategic implementation",
"information technology",
"information systems",
"construction industry",
"strategic implementation framework",
"predictors",
"large multi-national construction organisation",
"Project Management Information System",
"mobile phone telecommunications network",
"SWOT anal... | [
"P",
"P",
"P",
"P",
"P",
"P",
"P",
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"U",
"U"
] |
1153 | Direct aperture optimization: A turnkey solution for step-and-shoot IMRT | IMRT treatment plans for step-and-shoot delivery have traditionally been produced through the optimization of intensity distributions (or maps) for each beam angle. The optimization step is followed by the application of a leaf-sequencing algorithm that translates each intensity map into a set of deliverable aperture s... | [
"direct aperture optimization",
"turnkey solution",
"step-and-shoot IMRT",
"IMRT treatment plans",
"intensity distributions",
"maps",
"beam angle",
"optimization step",
"leaf-sequencing algorithm",
"intensity map",
"deliverable aperture shapes",
"aperture shapes",
"automated planning system"... | [
"P",
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"P",
"P",
"P",
"P",
"P",
"P",
"P",
"R",
"R"
] |
1116 | An interlingua-based Chinese-English MT system | Chinese-English machine translation is a significant and challenging problem in information processing. The paper presents an interlingua-based Chinese-English natural language translation system (ICENT). It introduces the realization mechanism of Chinese language analysis, which contains syntactic parsing and semantic... | [
"information processing",
"natural language translation system",
"syntactic parsing",
"semantic analyzing",
"interlingua-based Chinese-English machine translation system"
] | [
"P",
"P",
"P",
"P",
"R"
] |
543 | The development of virtual reality therapy (VRT) system for the treatment of acrophobia and therapeutic case | Virtual reality therapy (VRT), based on this sophisticated technology, has been used in the treatment of subjects diagnosed with acrophobia, a disorder that is characterized by marked anxiety upon exposure to heights and avoidance of heights. Conventional VR systems for the treatment of acrophobia have limitations, ove... | [
"therapeutic case",
"realistic virtual environment",
"exposure therapy",
"personal computer",
"virtual scene",
"clinical treatment",
"virtual reality therapy system",
"acrophobia treatment",
"patient anxiety",
"patient treatment",
"psychotherapy",
"heights phobia"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"R",
"R",
"R",
"R",
"U",
"M"
] |
994 | Design and implementation of a flexible manufacturing control system using neural network | Design and implementation of a sequential controller based on the concept of artificial neural networks for a flexible manufacturing system are presented. The recurrent neural network (RNN) type is used for such a purpose. Contrary to the programmable controller, an RNN-based sequential controller is based on a definit... | [
"sequential control",
"flexible manufacturing systems",
"recurrent neural network",
"programmable controller",
"finite state automata",
"noisy inputs",
"Elman network",
"ladder language",
"pneumatic system",
"learning",
"FMS"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"R",
"U",
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"U",
"U"
] |
969 | Controlled projective synchronization in nonpartially-linear chaotic systems | Projective synchronization (PS), in which the state vectors synchronize up to a scaling factor, is usually observable only in partially linear systems. We show that PS could, by means of control, be extended to general classes of chaotic systems with nonpartial linearity. Performance of PS may also be manipulated by co... | [
"control",
"projective synchronization",
"nonpartially-linear chaotic systems",
"scaling factor",
"Rossler system",
"Chua's circuit",
"hyperchaotic system"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"P"
] |
1252 | An agent-oriented and service-oriented environment for deploying dynamic distributed systems | This paper presents JASE, a Java-based Agent-oriented and Service-oriented Environment for deploying dynamic distributed systems. JASE utilizes two important concepts in the field of distributed computing: the concept of services and remote programming with mobile agents. In JASE, mobile agents are used to support appl... | [
"service-oriented environment",
"dynamic distributed systems",
"JASE",
"Java-based agent-oriented and service-oriented environment",
"remote programming",
"mobile agents",
"performance evaluation",
"agent-oriented environment"
] | [
"P",
"P",
"P",
"P",
"P",
"P",
"P",
"R"
] |
Subsets and Splits
Average Keyphrase List Length
Provides basic statistical information about the average number of keyphrases per record, but offers limited insight into the actual content or patterns within the keyphrases themselves.