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LICENSE

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+SimIdioms dataset — mixed license
+=================================
+
+This dataset contains content under different terms. Read carefully before
+redistributing or building on this work.
+
+-----------------------------------------------------------------------------
+1. ENGLISH-SIDE CONTENT AND CLUSTER STRUCTURE
+-----------------------------------------------------------------------------
+
+English idiom strings, figurative meanings, and example sentences derived from
+the MIDAS corpus (Kim et al., 2025), plus the cluster-graph structure
+(`id_` and the alignment between Ukrainian and English entries) are released
+under
+
+    Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
+    https://creativecommons.org/licenses/by-sa/4.0/
+
+This inherits from the MIDAS license. Any portion that originates from
+Wiktionary remains governed by CC BY-SA 4.0 with attribution to the original
+Wiktionary entries, redistribution under the same license, and explicit
+indication of any modifications.
+
+-----------------------------------------------------------------------------
+2. UKRAINIAN-SIDE CONTENT
+-----------------------------------------------------------------------------
+
+Ukrainian idiom strings, figurative meanings, and usage examples derived from:
+
+  - "Ukrainian-English and English-Ukrainian Phraseological Dictionary"
+    (Horot et al., 2024), Condor Publishing House. https://condor-books.com.ua/
+  - "Dictionary of Phraseological Units of the Ukrainian Language"
+    (Bilonozhenko et al., 2003).
+
+are included **with the explicit permission of the respective publishers**
+and are provided **STRICTLY FOR ACADEMIC RESEARCH USE**.
+
+This portion of the dataset is NOT licensed under CC BY-SA 4.0. It may not be
+redistributed, mirrored, or used for commercial purposes without separate
+permission. Anyone wishing to use this portion for any non-academic purpose,
+including commercial applications, must contact Condor Publishing House
+directly.
+
+-----------------------------------------------------------------------------
+3. CONTEXTUAL UKRAINIAN SENTENCES
+-----------------------------------------------------------------------------
+
+Contextual example sentences for Ukrainian idioms were retrieved from the
+UberText fiction subset (Chaplynskyi, 2023). They are included here for
+academic research and remain governed by the original UberText license terms.
+
+-----------------------------------------------------------------------------
+SUMMARY
+-----------------------------------------------------------------------------
+
+By downloading or using this dataset you agree to:
+
+  1. Use the Ukrainian-side content only for non-commercial academic research.
+  2. Comply with the CC BY-SA 4.0 attribution and ShareAlike requirements when
+     redistributing the English-side content.
+  3. Contact Condor Publishing House directly for any non-academic or
+     commercial use of the Ukrainian-side content.

README.md

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----
-license: cc-by-sa-4.0
----
+---
+language:
+  - uk
+  - en
+license: cc-by-sa-4.0
+task_categories:
+  - translation
+pretty_name: SimIdioms — Aligned Ukrainian–English Idiom Corpus
+tags:
+  - idioms
+  - phraseology
+  - ukrainian
+  - low-resource
+  - multilingual
+  - figurative-language
+size_categories:
+  - 1K<n<10K
+configs:
+  - config_name: default
+    data_files:
+      - split: train
+        path: sim_idioms.jsonl
+---
+
+# SimIdioms
+
+The first aligned **Ukrainian–English idiom corpus** — 2,262 clusters with
+idiom strings, translations, contextual example sentences, and figurative
+meanings on both language sides.
+
+Companion to the paper *"SimIdioms: A Corpus and Benchmark for Ukrainian
+Idiom Translation"* (UNLP 2026). Code and evaluation framework:
+[github.com/`<your-github-username>`/sim-idioms](https://github.com/<your-github-username>/sim-idioms).
+
+## Quick start
+
+```python
+from datasets import load_dataset
+ds = load_dataset("KSE-RESEARCH-Group/sim-idioms", split="train")
+print(ds[0])
+```
+
+## Schema
+
+Each row is one idiom cluster:
+
+```python
+{
+  "id_": "SIM-0",
+  "uk": {
+    "idiom":   [{"text": "...", "field": "idiom" | "translation"}, ...],
+    "example": [{"text": "..."}, ...],
+    "figurative_meaning":            [{"text": "..."}, ...],
+    "figurative_meaning_translated": [{"text": "..."}, ...]
+  },
+  "en": { ... same fields ... }
+}
+```
+
+**Total: 2,262 clusters.** 3,595 EN / 2,751 UK idiom strings, 2,885 EN / 2,737 UK
+example sentences, 1,723 EN / 1,193 UK figurative meanings (original + translated).
+
+## License
+
+The dataset is tagged **CC BY-SA 4.0**, inherited from the English-side content
+(MIDAS). However, the **Ukrainian-side content has additional restrictions**
+that override the CC BY-SA tag for that portion:
+
+- 🇺🇦 **Ukrainian idioms, figurative meanings, and usage examples** derived from
+  the *Ukrainian-English and English-Ukrainian Phraseological Dictionary*
+  (Condor Publishing House) and the *Dictionary of Phraseological Units of the
+  Ukrainian Language* (Bilonozhenko et al., 2003) are included **with explicit
+  publisher permission for academic research only**. They may **not** be
+  redistributed, mirrored, or used commercially without separate permission
+  from Condor Publishing House.
+- 🇬🇧 **English-side content** (derived from MIDAS) and the cluster-graph
+  structure are governed by CC BY-SA 4.0 — attribution + ShareAlike apply.
+
+By using this dataset you agree to use the Ukrainian-side content **only for
+non-commercial academic research**. See `LICENSE` for the full terms.
+
+## Citation
+
+```bibtex
+@inproceedings{petruniv-2026-simidioms,
+  title     = {SimIdioms: A Corpus and Benchmark for Ukrainian Idiom Translation},
+  author    = {Petruniv, Yaryna and others},
+  booktitle = {Proceedings of the Fourth Ukrainian Natural Language Processing Workshop (UNLP)},
+  year      = {2026}
+}
+```