id large_string | post_id large_string | username large_string | text large_string | likes int64 | posted_at large_string | scraped_at large_string |
|---|---|---|---|---|---|---|
1291455301865846 | DC6wsIEAcnH | catwei1 | This is so beautiful Linda! I climbed it in 2019 and just went back for the first time since then - so glad you’re able to make a trip soon ❤️ | 1 | 2024-11-28T22:46:24+00:00 | 2026-02-13T01:32:33.36838+00:00 |
17842000098696610 | DUfbcCbDAjK | vladmacedon | Μπράβο συγχαρητήρια παιδιά ❤️❤️❤️❤️😍😍😍😍🔥🔥🔥 | 1 | 2026-02-08T17:18:59+00:00 | 2026-02-13T02:19:06.292454+00:00 |
17842000350678966 | DTRfGioiUlu | iglisten | I eat like that now😊😊 Except I cook huge batches of congee in an Instant Pot😊😊 | 2 | 2026-01-09T10:46:30+00:00 | 2026-02-17T17:49:23.021167+00:00 |
17842000932696696 | DUdg1adkntZ | sis5727 | 👏👏👏 | 0 | 2026-02-09T20:05:17+00:00 | 2026-02-23T00:13:11.260991+00:00 |
17842001025695777 | DUf4z9MEjAL | cuber_justin | good landscape 🥰 | 0 | 2026-02-09T11:26:45+00:00 | 2026-02-23T01:20:39.970108+00:00 |
17842001193680169 | DTUQ7CYjMy4 | realsteamybooks | Yikes, no I will not be visiting during that rush. 😉🤓 | 2 | 2026-01-11T02:21:49+00:00 | 2026-02-12T09:32:48.382492+00:00 |
17842001253662379 | DQqRNDeEgyw | callie_iceland | I hope they give each other another go when on the outside. I think there is a really solid foundation of love deep down already established. | 9 | 2025-12-11T01:24:32+00:00 | 2026-02-12T06:23:21.615183+00:00 |
17842001262633377 | DQE59y9CnfD | x.maryaam.x | 😭😭😭🥺 | 4 | 2025-11-28T20:37:20+00:00 | 2026-02-18T08:24:47.199171+00:00 |
17842001586692266 | DUfei2EEyRF | xinyi_97x | App name?😮 | 0 | 2026-02-08T17:50:53+00:00 | 2026-02-14T13:07:05.535452+00:00 |
17842001670659890 | DSEZROIghQ3 | zakhida45 | 👏👏🙌❤️😢 | 1 | 2025-12-11T01:03:00+00:00 | 2026-02-22T12:27:13.703585+00:00 |
17842001826659860 | DRjLnSFk8FP | _rosette_s | Christians let us all merge as a community. Bring Back the Passover in all churches. We can all Love Care and Respect as Children of God👍👏❤️ | 27 | 2025-12-11T04:04:00+00:00 | 2026-02-22T14:45:08.978498+00:00 |
17842002120695690 | DUlMZqsD38w | juansebork | Even if this is AI, I'm pretty sure this happens, this guy isn't paying to the Sherpa to take him up there, he is paying for his safety, and the Sherpa is doing his job very well. | 18 | 2026-02-11T00:21:50+00:00 | 2026-02-23T06:55:04.675817+00:00 |
17842002576694865 | DUlgzzcEtex | glam_up_by_athi | 😍 | 0 | 2026-02-11T03:00:28+00:00 | 2026-02-13T03:12:18.962564+00:00 |
17842002918677726 | DS--vqEikGD | xiaoyuumeiiii | @is.won_0 đã quó fen oi❤️😂 | 1 | 2026-01-12T12:47:22+00:00 | 2026-02-22T13:21:05.80516+00:00 |
17842008816681539 | DTXHTojj37J | suetsuetfung | let me know your favourite shopping spots in the comments ❤️ | 5 | 2026-01-11T14:58:33+00:00 | 2026-02-12T20:11:40.356794+00:00 |
17842011201598293 | DPfIlpyiJHG | yonues_244 | 👏👏 | 2 | 2025-10-09T07:38:45+00:00 | 2026-02-12T09:41:34.129312+00:00 |
17842011576669614 | DSpyo_9kyaD | miraclelife_323 | 멜크🎄🫶✨️ | 1 | 2025-12-25T09:22:29+00:00 | 2026-02-13T08:36:41.048761+00:00 |
17842011786687869 | DT9-6BDAnXp | 7anan.ali98 | بجنطةالشحن ما يصير ولا نوع بطارية و بجنطة الطيارة لازم عليها ccc عشان تدخل | 2 | 2026-01-26T17:41:12+00:00 | 2026-02-12T20:05:22.780782+00:00 |
17842015647488359 | DJLILU_tmGy | _papiya_dancer | Nice | 2 | 2025-05-06T16:01:56+00:00 | 2026-02-21T16:37:15.131395+00:00 |
17842023174681250 | DTUBnq9lMn6 | fauzyy7_ | i like this side of instagram.. | 6 | 2026-01-11T00:03:54+00:00 | 2026-02-18T09:59:02.269212+00:00 |
17842030511408803 | CFdbfG-HB2F | nettebig | What how insane | 0 | 2020-09-23T11:32:26+00:00 | 2026-02-17T14:20:05.001276+00:00 |
17842030866680062 | DTcQq4vEoJz | panhan2233 | 올해 7월에 꼭 나를 구양으로 데려가주세요. | 0 | 2026-01-13T15:15:10+00:00 | 2026-02-12T18:53:05.806164+00:00 |
17842039720237957 | BdKsHFugGda | mariabunawan | Tetap cinta bendera Indonesia ya 💖 | 1 | 2017-12-28T04:55:59+00:00 | 2026-02-20T01:05:27.41431+00:00 |
17842043442655560 | DR7P6aOEiDq | marlaherge | 😍😍😍❤️ | 0 | 2025-12-08T09:39:21+00:00 | 2026-02-17T16:10:29.201388+00:00 |
17842044007430960 | BwYXsZUltDL | alex_inchina5 | 📍Work in Shanghai Shanghai kindergarten 👤Need 1 no native Teachers ASAP
Student Age 5-15 years old
Days off: Weekends
Hours: 35 working hours a wk
Teaching Hours: 16 per wk
Benefits: Paid Holidays 🏻
Salary : 10k - 12k a mo.
Housing: 2k bonus
Visa: We provide Z visa
🗣WeChat: mdjobs | 0 | 2019-04-20T03:05:50+00:00 | 2026-02-20T09:15:12.707035+00:00 |
17842051379132312 | B97X-VJntAy | stathis_anto | Amen lord you are always in my heart i love you😍😍😍🙏🙏🙏❤️❤️❤️❤️ | 1 | 2020-04-21T10:59:59+00:00 | 2026-02-17T18:22:46.553463+00:00 |
17842054700914716 | Cm-2AVDsrg9 | irinka_pillirinka | Счастливого пути,!!!✨🙏❤️ и жду с нетерпением стори😍🤞🤞🤞 | 1 | 2023-01-04T14:41:49+00:00 | 2026-02-21T03:16:30.482628+00:00 |
17842061596284207 | BlM76MMhwln | doku_yastik | 💜 | 1 | 2018-07-14T14:44:11+00:00 | 2026-02-13T05:45:32.766502+00:00 |
17842069507273652 | BjbQw2sHMZv | youcandoit.tcenter.asia | Thank you, this is informative! | 0 | 2018-06-01T08:52:57+00:00 | 2026-02-20T02:44:57.99909+00:00 |
17842076235617250 | DQwWIgmkgpZ | dimensions.colors | 這畫面真的太美了😍😍😍 | 1 | 2025-11-09T14:05:46+00:00 | 2026-02-12T10:52:47.874032+00:00 |
17842087023535613 | DLmYs67TQk8 | redhinrc | 😍 | 0 | 2025-07-05T02:20:20+00:00 | 2026-02-21T23:11:11.452208+00:00 |
17842090581218183 | C6Km_W_vbMd | heregoesro | my god this is accurate | 6 | 2024-04-25T09:58:29+00:00 | 2026-02-20T18:55:22.756298+00:00 |
17842099901000255 | B8beopKhYZn | olesechkagordei | Как в фильме ужасов😱😨 | 2 | 2020-02-13T01:35:08+00:00 | 2026-02-12T19:18:31.615769+00:00 |
17842102497582744 | DOveQesExac | travelistul | 🔥🔥🔥 | 0 | 2025-09-19T12:30:30+00:00 | 2026-02-22T04:43:40.189511+00:00 |
17842110317460736 | CF_8F0KnwKY | annemgk | @myrthe.kooijman omg | 0 | 2020-10-14T03:29:00+00:00 | 2026-02-21T00:32:50.433443+00:00 |
17842123932468567 | DIgM0bvPqZI | myupon.sakura | ステキすぎますー！😍 | 4 | 2025-04-16T18:23:41+00:00 | 2026-02-18T09:04:39.605983+00:00 |
17842126870322730 | BrLC6nsgf1O | ertugrulkucukaltun | 🇹🇷🇹🇷🇹🇷🇹🇷🇹🇷 | 2 | 2018-12-15T21:55:29+00:00 | 2026-02-22T13:08:57.221429+00:00 |
17842128399622617 | DRUMdpCD_ZW | naras._ | ^__^ ㅅ ㅏ 랑 ~ | 2 | 2025-11-21T18:51:15+00:00 | 2026-02-22T09:52:46.770158+00:00 |
17842131060692433 | DUntVHfk7fs | podrozepapaya | 🔥🔥🔥 | 3 | 2026-02-11T23:15:36+00:00 | 2026-02-23T08:31:27.471068+00:00 |
17842133665433881 | BuL-4T5B20b | minh.nguyen51 | Can you give me the name of place ? | 0 | 2019-04-23T10:57:21+00:00 | 2026-02-20T07:47:05.18531+00:00 |
17842135533616423 | DQOqyIkjTey | bren.nn | 我非常喜欢奶茶，但是我要无糖 | 1 | 2025-11-09T08:36:45+00:00 | 2026-02-18T09:31:32.869653+00:00 |
17842137121337621 | BsIacMsBIna | sharad.k71 | Really cool video 👌 | 1 | 2019-01-04T12:56:37+00:00 | 2026-02-20T06:34:56.2321+00:00 |
17842138240730646 | B3JZALngaH5 | lyndonfeng | ❤️❤️ | 0 | 2019-10-04T10:51:36+00:00 | 2026-02-19T21:22:37.377579+00:00 |
17842139532110739 | CzTqKeNxRnY | _karen27__ | 一定要再见！ | 1 | 2023-11-17T22:18:43+00:00 | 2026-02-21T08:46:24.922271+00:00 |
17842142130692513 | DUlRHuIjllX | polyanalune | angelically gorgeous 🤍🤍🤍🤍 | 1 | 2026-02-12T02:13:55+00:00 | 2026-02-23T07:00:06.91704+00:00 |
17842143258689276 | DTzlup7iR_i | seng_ze_md | Yall keep saying Chinese foods and products aren’t safe, look at these people aging strong 🙌 | 67 | 2026-01-31T17:12:04+00:00 | 2026-02-12T05:35:30.815114+00:00 |
17842147620680037 | DTc6PH9krGy | paulo_r_ella | 🔥👏🔥🔥🔥 | 1 | 2026-01-15T00:42:43+00:00 | 2026-02-12T06:11:10.833385+00:00 |
17842151156492605 | CHsJOboHvi3 | sarahliebregts | ❤️❤️❤️ | 1 | 2020-11-17T20:48:20+00:00 | 2026-02-21T01:40:29.602285+00:00 |
17842152261666001 | DSXaAi-jcAd | jiali.jollieyang | 拼搏两个月 我要回国吃好吃的😍😍 | 2 | 2025-12-18T00:08:40+00:00 | 2026-02-22T14:23:27.65463+00:00 |
17842153301187144 | B1jHamNHV9N | velin.79 | Zeyu😍 | 1 | 2020-05-16T18:05:29+00:00 | 2026-02-17T14:27:40.958491+00:00 |
17842153440695568 | DUtsR49EtMR | apeachjelly | Why is third pic ai generated content?? 💀💀💀 | 1 | 2026-02-14T09:13:12+00:00 | 2026-02-23T12:13:58.407729+00:00 |
17842155187355867 | Bs6rdTJhlQG | rocio.busca | Wow💙 | 0 | 2019-01-23T04:31:36+00:00 | 2026-02-12T21:00:41.470425+00:00 |
17842157006782971 | CdLKBvhgtC4 | lynawhyyy | ❤️ | 0 | 2022-05-05T20:51:51+00:00 | 2026-02-21T00:04:56.487651+00:00 |
17842161721178449 | BKER-ysg7Re | adventure.baby | Great perspective 👌 | 0 | 2016-09-08T08:17:54+00:00 | 2026-02-14T16:09:33.06925+00:00 |
17842169134300359 | BjdNfEXnvpa | iqphotograph | Мне нравится :) | 0 | 2018-06-08T19:32:31+00:00 | 2026-02-20T02:45:58.346032+00:00 |
17842174333676261 | B2hg5HjgNDA | adriano_wushu | 👏👏👏👏❤️❤️❤️❤️❤️❤️ | 1 | 2019-09-18T06:43:34+00:00 | 2026-02-19T20:44:25.840064+00:00 |
17842178391684654 | DTp2U0zE9yn | alireza_ghm96 | 😍😍😍 | 1 | 2026-01-21T06:49:38+00:00 | 2026-02-12T09:38:54.582538+00:00 |
17842178392210297 | BZfzIniHbKI | claudiojoserodrig | Muito linda bom dia | 1 | 2017-09-27T18:17:37+00:00 | 2026-02-20T11:19:05.869123+00:00 |
17842179034913043 | B4MPBSTIIny | weiyaming16 | 我的家乡 | 1 | 2020-01-10T13:09:59+00:00 | 2026-02-18T09:58:07.511245+00:00 |
17842184629748237 | B2kcJZJFQ4x | erniyunita21 | Aamii | 0 | 2019-10-25T08:03:59+00:00 | 2026-02-19T20:45:13.856656+00:00 |
17842184924036806 | B9V5RUel8X- | jonalumeina | Dan negara mana pun mau beli brpa pun harganya.dasar.... | 0 | 2020-03-05T19:15:36+00:00 | 2026-02-20T00:14:16.321646+00:00 |
17842187399101988 | BWNTP2uhcnz | fetechinoise | 👏🏼 | 0 | 2020-04-03T05:49:32+00:00 | 2026-02-12T22:07:11.940343+00:00 |
17842189617612830 | DQteUlVE_c7 | artthula | 😍😍 | 2 | 2025-11-06T17:54:05+00:00 | 2026-02-12T22:35:16.285805+00:00 |
17842191784139853 | BKGKlCgBsS2 | lifeoftruls | 👌🏼 | 0 | 2016-09-08T21:37:36+00:00 | 2026-02-20T03:14:31.831208+00:00 |
17842193131271892 | BiDanAZnD6v | mbfleur_tea | Wow! Thank you 🙏 I learn something everyday here! 🤓 | 0 | 2018-04-28T00:40:25+00:00 | 2026-02-20T02:21:20.223863+00:00 |
17842204993197742 | BUVBXBBB2PI | ananda.paudyal | love it | 0 | 2017-05-21T16:38:49+00:00 | 2026-02-20T08:00:38.369136+00:00 |
17842206010840747 | B5IehhcKWbh | hahahakakakaekeosm | Dopeee🔥🌍❤️ | 1 | 2019-11-22T04:06:27+00:00 | 2026-02-19T22:16:08.903884+00:00 |
17842206651693782 | DUqZEk8kVZq | elsafoodparadise | Love Molly tea | 2 | 2026-02-12T23:41:20+00:00 | 2026-02-23T10:41:21.995538+00:00 |
17842214338665654 | B2XCz0zl6D7 | _.abulia._ | Pero Svitolina venía de jugar unas horas antes nada más u.u | 4 | 2019-09-14T01:51:45+00:00 | 2026-02-19T20:57:50.050705+00:00 |
17842214868456643 | DHdbMAdiN3M | aiman_648650 | 🔥🔥🔥🔥🔥 | 1 | 2025-03-29T20:58:42+00:00 | 2026-02-21T12:11:47.801917+00:00 |
17842217121691513 | DUKVee7lUMQ | elena_ibarrola | 👏👏👏👏 | 1 | 2026-02-05T18:38:02+00:00 | 2026-02-12T21:52:10.878536+00:00 |
17842219064444409 | CGEWiaPsU-- | oilylu | 泰勒太漂亮了好像漫畫人物🥺希望以後可以多多看到你的活躍～～加油支持你喔🤗 | 1 | 2020-10-09T06:12:43+00:00 | 2026-02-21T01:02:30.380004+00:00 |
17842224211903567 | B3epiJTIYS3 | mart_v8bv | wowww,nice place to be | 0 | 2020-01-10T21:37:38+00:00 | 2026-02-19T21:16:32.223805+00:00 |
17842226857520116 | ByZv5izgrFe | oscardironco | Fantastic😍 | 1 | 2019-06-28T23:40:46+00:00 | 2026-02-20T11:05:25.096448+00:00 |
17842232404139853 | BKGKlCgBsS2 | alexcsgoh | @trulsmorfelt @selfieapp thank you 😊!!! | 0 | 2016-09-10T09:55:05+00:00 | 2026-02-20T03:14:31.831208+00:00 |
17842236290582877 | CMv8bbtgepm | robin411989 | love u so much 😘 | 0 | 2021-04-08T01:20:29+00:00 | 2026-02-21T03:31:31.577887+00:00 |
17842237932611871 | DQXPPrWjb97 | lifeofannie026 | 🔥🔥❤️❤️ yes. Yes. Love Wing Chun. | 2 | 2025-11-07T08:39:55+00:00 | 2026-02-22T07:31:17.035716+00:00 |
17842238657689603 | CJqI7UgjYAE | inspot_fun | 哈囉您好,我是Inspot IG熱搜的小編~我們是基於IG熱度推薦出遊地點的平台
您的照片真的非常美❤️希望可以分享給大家～想請問您是否願意授權讓我們分享在 https://inspot.fun 及其他相關平台粉絲頁,會標註您的IG帳號,同時附上連結～期待您的回覆！謝謝~☺️ | 1 | 2021-11-11T18:06:25+00:00 | 2026-02-21T02:23:52.29803+00:00 |
17842241032092658 | -Bbwi-JowK | in_vbb | 👏 | 0 | 2015-11-13T20:15:21+00:00 | 2026-02-19T18:15:40.483171+00:00 |
17842243562559855 | Bk77Cr9nH7H | eowynn_12 | ❤️😍 | 0 | 2021-03-12T02:55:24+00:00 | 2026-02-20T03:08:38.663915+00:00 |
17842245159620033 | DQ4XyToDsRg | louis_vuitton_007_ | Тоже едем на китайский Новый год, нужно ли купить билеты заранее? 😍 | 9 | 2025-11-16T17:49:42+00:00 | 2026-02-12T06:12:38.462945+00:00 |
17842246720093665 | -BdZbHpoyD | amberxzzzzzz | Super! | 0 | 2015-11-13T20:35:27+00:00 | 2026-02-19T18:15:45.349405+00:00 |
17842251045394272 | DEd3OE9Smxb | itssydney___ | so cute!! 🥰💗 | 1 | 2025-01-10T03:49:17+00:00 | 2026-02-21T10:38:49.87565+00:00 |
17842262887500773 | BywZG8ugvbq | redheadcsm | I should've known that was James. So masterful. I've never seen that one before. | 0 | 2019-06-18T04:43:35+00:00 | 2026-02-12T20:19:10.17754+00:00 |
17842269554499340 | CIMKvSHhfq2 | seringdolma | 🙏🙏🙏 | 1 | 2020-12-02T00:30:27+00:00 | 2026-02-21T01:58:55.511142+00:00 |
17842270386594937 | DPYKdRejZvU | kimbaby_32 | Speed always got me crying smh lol 😂 he’s such a special soul | 467 | 2025-10-04T21:04:30+00:00 | 2026-02-12T05:20:13.68552+00:00 |
17842271704216104 | BZkTD_kHWmI | sami.samikhan.148 | Amazing | 0 | 2017-09-28T15:39:48+00:00 | 2026-02-20T11:22:49.79792+00:00 |
17842272375504144 | DKH0uVrTbdG | tong_xin_she | #chinesetea #wuyishantea #teaaddict #gongfutea #teacake #puertea #puercha #oolongtea #oolongcha #chinatea #teatrails #cupoftea #lovetea #❤️tea #chinatea #wuyishan #blacktea #redrobetea #dahongpaocha #teapot #chineseceremic #chineseteaset #岩茶 #rocktea #wuyishan | 0 | 2025-05-26T23:45:00+00:00 | 2026-02-21T19:23:32.3219+00:00 |
17842274948213406 | CAxpaZhh_51 | mayamalish | Вот это даа 😍😍😍 невероятно 😍😍👍👍👍 | 1 | 2020-05-29T23:01:14+00:00 | 2026-02-20T22:59:20.586443+00:00 |
17842275235658238 | B2LwuFshRWo | desserts_magazine | 😍 | 1 | 2019-09-12T11:23:15+00:00 | 2026-02-17T19:05:16.39208+00:00 |
17842284333668404 | DSrkScok5dc | its.lalas.land | He strong as hell!!😂😂 | 165 | 2025-12-25T23:25:39+00:00 | 2026-02-22T13:54:44.077157+00:00 |
17842287789696546 | DUxf8mHEZP6 | 1020nina | Cute❤️ | 1 | 2026-02-15T19:51:16+00:00 | 2026-02-23T14:24:58.178752+00:00 |
17842289092665613 | B2ISm-PghE5 | adrian_aca_g | The fog in mountains is such a spectacular | 0 | 2019-09-14T12:52:38+00:00 | 2026-02-22T13:09:47.504236+00:00 |
17842292299264187 | BY5T4rlHcW_ | jonnihipp | ☄️💫 | 0 | 2018-04-28T10:52:19+00:00 | 2026-02-20T10:20:24.762922+00:00 |
17842294566695272 | DUxen5CCHBR | jordanchristiam | Alguien sabe cuanto cuesta eso mismo en USA? | 20 | 2026-02-15T21:34:10+00:00 | 2026-02-17T18:02:50.54442+00:00 |
17842304553661278 | DSKfL9rivZK | baghshanii.f034 | 👏👏👏👏👏👏👏🔥🔥🔥 | 1 | 2025-12-14T19:45:32+00:00 | 2026-02-22T13:09:42.080405+00:00 |
17842305405600309 | DQLakBnjw3L | aliakblrmehrali | 🔥🔥 | 2 | 2025-10-25T02:46:07+00:00 | 2026-02-17T15:30:17.968053+00:00 |
17842309170644950 | DR87LCQCpgN | noobsoldier117 | Maybe just give the paper to the person? | 193 | 2025-12-07T14:39:55+00:00 | 2026-02-22T08:03:09.336137+00:00 |
17842313997689520 | DUN3GepjzlD | pachagonder | தைப்பூசத் திருநாள் வாழ்த்துக்கள் | 0 | 2026-02-01T21:54:09+00:00 | 2026-02-13T06:00:38.778352+00:00 |
17842314978468912 | DImhhSIogd6 | iamfengnobody | I’ve woken up earlier for less | 14 | 2025-04-19T04:51:40+00:00 | 2026-02-12T16:51:50.931124+00:00 |
End of preview. Expand in Data Studio
SC4021 Travel Opinion Search Engine Dataset
Crawled social media data for the NTU SC4021 Information Retrieval course project — an opinion-aware travel search engine for China travel content.
Dataset Structure
| Split | Rows | Description |
|---|---|---|
ig_posts |
~105K | Instagram posts with captions, locations, image metadata, quality scores, and VLM classifications |
ig_comments |
~117K | Instagram comments linked to posts |
ig_users |
~121K | Instagram user profiles (username, bio, followers) |
pinterest_pins |
~100K+ | Pinterest pins with image URLs, descriptions, and quality scores |
Key Fields (ig_posts)
| Field | Type | Description |
|---|---|---|
id |
str | Instagram shortcode |
caption / caption_clean |
str | Original and cleaned caption text |
language |
str | Detected language (en/zh) |
province / city |
str | Mapped China location |
image_category |
str | CLIP zero-shot category (landscape, food, culture, etc.) |
quality_score |
float | VLM quality assessment |
image_description |
str | VLM-generated image description |
likes / comments_count |
int | Engagement metrics |
location_lat / location_lng |
float | Geolocation |
Sources
- Instagram: Travel hashtags (#chinatravel, #travelchina, etc.) and brand accounts
- Pinterest: Travel photography, fashion, and destination boards
Usage
from datasets import load_dataset
ds = load_dataset("PHY041/sc4021-travel-opinion-search")
posts = ds["ig_posts"]
comments = ds["ig_comments"]
Citation
NTU SC4021 Information Retrieval Project, AY2025/26 Semester 2.
License
CC BY-NC 4.0 — for academic/research use only.
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