Topic model (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Topic model" in English language version.

Last modified: 17:43:42, 11 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

2321doi.org

2^nd place

1212nih.gov

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108semanticscholar.org

15^th place

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76worldcat.org

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66arxiv.org

49^th place

31^st place

32web.archive.org

1^st place

22mlr.press

low place

21berkeley.edu

621^st place

429^th place

11nature.com

207^th place

347^th place

11illinois.edu

1,178^th place

745^th place

11brown.edu

2,455^th place

1,451^st place

11mit.edu

476^th place

340^th place

11iospress.com

low place

11proquest.com

121^st place

59^th place

11ncl.edu.tw

1,827^th place

low place

11richmond.edu

low place

6,905^th place

11jmlr.org

low place

11acm.org

1,200^th place

821^st place

11adsabs.harvard.edu

14^th place

9^th place

acm.org (Global: 1,200^th place; English: 821^st place)

cacm.acm.org

Blei, David M. (April 2012). "Introduction to Probabilistic Topic Models" (PDF). Comm. ACM. 55 (4): 77–84. doi:10.1145/2133806.2133826. S2CID 753304.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Martin Gerlach; Tiago Pexioto; Eduardo Altmann (2018). "A network approach to topic models". Science Advances. 4 (7) eaaq1360. arXiv:1708.01677. Bibcode:2018SciA....4.1360G. doi:10.1126/sciadv.aaq1360. PMC 6051742. PMID 30035215.

arxiv.org (Global: 49^th place; English: 31^st place)

Rosen-Zvi, Michal (2004). "The author-topic model for authors and documents". Proceedings of the 20th Conference on Uncertainty in Artificial Intelligence: 487–494. arXiv:1207.4169.
Sanjeev Arora; Rong Ge; Ankur Moitra (April 2012). "Learning Topic Models—Going beyond SVD". arXiv:1204.1956 [cs.LG].
Miao, Yishu; Grefenstette, Edward; Blunsom, Phil (2017). "Discovering Discrete Latent Topics with Neural Variational Inference". Proceedings of the 34th International Conference on Machine Learning. PMLR: 2410–2419. arXiv:1706.00359.
Xu, Weijie; Jiang, Xiaoyu; Sengamedu Hanumantha Rao, Srinivasan; Iannacci, Francis; Zhao, Jinjin (2023). "vONTSS: vMF based semi-supervised neural topic modeling with optimal transport". Findings of the Association for Computational Linguistics: ACL 2023. Stroudsburg, PA, USA: Association for Computational Linguistics: 4433–4457. arXiv:2307.01226. doi:10.18653/v1/2023.findings-acl.271.
Martin Gerlach; Tiago Pexioto; Eduardo Altmann (2018). "A network approach to topic models". Science Advances. 4 (7) eaaq1360. arXiv:1708.01677. Bibcode:2018SciA....4.1360G. doi:10.1126/sciadv.aaq1360. PMC 6051742. PMID 30035215.
Xu, Weijie; Hu, Wenxiang; Wu, Fanyou; Sengamedu, Srinivasan (2023). "DeTiME: Diffusion-Enhanced Topic Modeling using Encoder-decoder based LLM". Findings of the Association for Computational Linguistics: EMNLP 2023. Stroudsburg, PA, USA: Association for Computational Linguistics: 9040–9057. arXiv:2310.15296. doi:10.18653/v1/2023.findings-emnlp.606.

berkeley.edu (Global: 621^st place; English: 429^th place)

cs.berkeley.edu

Papadimitriou, Christos; Raghavan, Prabhakar; Tamaki, Hisao; Vempala, Santosh (1998). "Latent semantic indexing". Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '98. pp. 159–168. doi:10.1145/275487.275505. ISBN 978-0-89791-996-8. S2CID 1479546. Archived from the original (Postscript) on 2013-05-09. Retrieved 2012-04-17.

brown.edu (Global: 2,455^th place; English: 1,451^st place)

cs.brown.edu

Hofmann, Thomas (1999). "Probabilistic Latent Semantic Indexing" (PDF). Proceedings of the Twenty-Second Annual International SIGIR Conference on Research and Development in Information Retrieval. Archived from the original (PDF) on 2010-12-14.

doi.org (Global: 2^nd place; English: 2^nd place)

doi.org

Egger, Roman; Yu, Joanne (2022). "A Topic Modeling Comparison Between LDA, NMF, Top2Vec, and BERTopic to Demystify Twitter Posts". Frontiers in Sociology. 7 886498. doi:10.3389/fsoc.2022.886498. ISSN 2297-7775. PMC 9120935. PMID 35602001.
Muthusami, R.; Mani Kandan, N.; Saritha, K.; Narenthiran, B.; Nagaprasad, N.; Ramaswamy, Krishnaraj (2024-05-25). "Investigating topic modeling techniques through evaluation of topics discovered in short texts data across diverse domains". Scientific Reports. 14 (1): 12003. doi:10.1038/s41598-024-61738-4. ISSN 2045-2322. PMC 11127968. PMID 38796483.
Churchill, Rob; Singh, Lisa (2022-11-10). "The Evolution of Topic Modeling". ACM Comput. Surv. 54 (10s): 215:1–215:35. doi:10.1145/3507900. ISSN 0360-0300.
Murshed, Belal Abdullah Hezam; Mallappa, Suresha; Abawajy, Jemal; Saif, Mufeed Ahmed Naji; Al-ariki, Hasib Daowd Esmail; Abdulwahab, Hudhaifa Mohammed (2023-06-01). "Short text topic modelling approaches in the context of big data: taxonomy, survey, and analysis". Artificial Intelligence Review. 56 (6): 5133–5260. doi:10.1007/s10462-022-10254-w. ISSN 1573-7462. PMC 9607740. PMID 36320612.
Song, W.; Zou, L. (2016). "LDA-TM: A Two-step Approach to Twitter Topic Data Clustering". Proceedings of the IEEE International Conference on Cloud Computing and Big Data Analysis. IEEE. pp. 342–347. doi:10.1109/ICCCBDA.2016.7529581.
Blei, David (April 2012). "Probabilistic Topic Models". Communications of the ACM. 55 (4): 77–84. doi:10.1145/2133806.2133826. S2CID 753304.
Papadimitriou, Christos; Raghavan, Prabhakar; Tamaki, Hisao; Vempala, Santosh (1998). "Latent semantic indexing". Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '98. pp. 159–168. doi:10.1145/275487.275505. ISBN 978-0-89791-996-8. S2CID 1479546. Archived from the original (Postscript) on 2013-05-09. Retrieved 2012-04-17.
Blei, David M.; Ng, Andrew Y.; Jordan, Michael I; Lafferty, John (January 2003). "Latent Dirichlet allocation". Journal of Machine Learning Research. 3: 993–1022. doi:10.1162/jmlr.2003.3.4-5.993.
Lamba, Manika jun (2019). "Mapping of topics in DESIDOC Journal of Library and Information Technology, India: a study". Scientometrics. 120 (2): 477–505. doi:10.1007/s11192-019-03137-5. ISSN 0138-9130. S2CID 174802673.
Lamba, Manika jun (2019). "Metadata Tagging and Prediction Modeling: Case Study of DESIDOC Journal of Library and Information Technology (2008-2017)". World Digital Libraries. 12: 33–89. doi:10.18329/09757597/2019/12103 (inactive 12 July 2025). ISSN 0975-7597.{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)
Yin, Zhijun (2011). "Geographical topic discovery and comparison". Proceedings of the 20th international conference on World wide web. pp. 247–256. doi:10.1145/1963405.1963443. ISBN 978-1-4503-0632-4. S2CID 17883132.
Nikolenko, Sergey (2017). "Topic modelling for qualitative studies". Journal of Information Science. 43: 88–102. doi:10.1177/0165551515617393. S2CID 30657489.
Reverter-Rambaldi, Marcel (2022). Topic Modelling in Spontaneous Speech Data (Honours thesis). Australian National University. doi:10.25911/M1YF-ZF55.
Blei, David M. (April 2012). "Introduction to Probabilistic Topic Models" (PDF). Comm. ACM. 55 (4): 77–84. doi:10.1145/2133806.2133826. S2CID 753304.
Xu, Weijie; Jiang, Xiaoyu; Sengamedu Hanumantha Rao, Srinivasan; Iannacci, Francis; Zhao, Jinjin (2023). "vONTSS: vMF based semi-supervised neural topic modeling with optimal transport". Findings of the Association for Computational Linguistics: ACL 2023. Stroudsburg, PA, USA: Association for Computational Linguistics: 4433–4457. arXiv:2307.01226. doi:10.18653/v1/2023.findings-acl.271.
Martin Gerlach; Tiago Pexioto; Eduardo Altmann (2018). "A network approach to topic models". Science Advances. 4 (7) eaaq1360. arXiv:1708.01677. Bibcode:2018SciA....4.1360G. doi:10.1126/sciadv.aaq1360. PMC 6051742. PMID 30035215.
Bianchi, Federico; Terragni, Silvia; Hovy, Dirk (2021). "Pre-training is a Hot Topic: Contextualized Document Embeddings Improve Topic Coherence". Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers). Stroudsburg, PA, USA: Association for Computational Linguistics. pp. 759–766. doi:10.18653/v1/2021.acl-short.96.
Xu, Weijie; Hu, Wenxiang; Wu, Fanyou; Sengamedu, Srinivasan (2023). "DeTiME: Diffusion-Enhanced Topic Modeling using Encoder-decoder based LLM". Findings of the Association for Computational Linguistics: EMNLP 2023. Stroudsburg, PA, USA: Association for Computational Linguistics: 9040–9057. arXiv:2310.15296. doi:10.18653/v1/2023.findings-emnlp.606.
Liu, L.; Tang, L.; et al. (2016). "An overview of topic modeling and its current applications in bioinformatics". SpringerPlus. 5 (1): 1608. doi:10.1186/s40064-016-3252-8. PMC 5028368. PMID 27652181. S2CID 16712827.
Valle, F.; Osella, M.; Caselle, M. (2020). "A Topic Modeling Analysis of TCGA Breast and Lung Cancer Transcriptomic Data". Cancers. 12 (12): 3799. doi:10.3390/cancers12123799. PMC 7766023. PMID 33339347. S2CID 229325007.

dx.doi.org

Bianchi, Federico; Terragni, Silvia; Hovy, Dirk (2021). "Pre-training is a Hot Topic: Contextualized Document Embeddings Improve Topic Coherence". Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers). Stroudsburg, PA, USA: Association for Computational Linguistics. pp. 759–766. doi:10.18653/v1/2021.acl-short.96.

illinois.edu (Global: 1,178^th place; English: 745^th place)

ifp.illinois.edu

Cao, Liangliang, and Li Fei-Fei. "Spatially coherent latent topic model for concurrent segmentation and classification of objects and scenes." 2007 IEEE 11th International Conference on Computer Vision. IEEE, 2007.

iospress.com (Global: low place; English: low place)

content.iospress.com

Lamba, Manika jun (2019). "Metadata Tagging and Prediction Modeling: Case Study of DESIDOC Journal of Library and Information Technology (2008-2017)". World Digital Libraries. 12: 33–89. doi:10.18329/09757597/2019/12103 (inactive 12 July 2025). ISSN 0975-7597.{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)

jmlr.org (Global: low place; English: low place)

Chang, Jonathan (2009). "Relational Topic Models for Document Networks" (PDF). Aistats. 9: 81–88.

mit.edu (Global: 476^th place; English: 340^th place)

jmlr.csail.mit.edu

Blei, David M.; Ng, Andrew Y.; Jordan, Michael I; Lafferty, John (January 2003). "Latent Dirichlet allocation". Journal of Machine Learning Research. 3: 993–1022. doi:10.1162/jmlr.2003.3.4-5.993.

mlr.press (Global: low place; English: low place)

proceedings.mlr.press

Miao, Yishu; Grefenstette, Edward; Blunsom, Phil (2017). "Discovering Discrete Latent Topics with Neural Variational Inference". Proceedings of the 34th International Conference on Machine Learning. PMLR: 2410–2419. arXiv:1706.00359.
Shalit, Uri; Weinshall, Daphna; Chechik, Gal (2013-05-13). "Modeling Musical Influence with Topic Models". Proceedings of the 30th International Conference on Machine Learning. PMLR: 244–252.

nature.com (Global: 207^th place; English: 347^th place)

Muthusami, R.; Mani Kandan, N.; Saritha, K.; Narenthiran, B.; Nagaprasad, N.; Ramaswamy, Krishnaraj (2024-05-25). "Investigating topic modeling techniques through evaluation of topics discovered in short texts data across diverse domains". Scientific Reports. 14 (1): 12003. doi:10.1038/s41598-024-61738-4. ISSN 2045-2322. PMC 11127968. PMID 38796483.

ncl.edu.tw (Global: 1,827^th place; English: low place)

etd2018.ncl.edu.tw

Lamba, Manika sep (2018). Metadata Tagging of Library and Information Science Theses: Shodhganga (2013-2017) (PDF). ETD2018:Beyond the boundaries of Rims and Oceans. Taiwan, Taipei.

nih.gov (Global: 5^th place; English: 5^th place)

ncbi.nlm.nih.gov

Egger, Roman; Yu, Joanne (2022). "A Topic Modeling Comparison Between LDA, NMF, Top2Vec, and BERTopic to Demystify Twitter Posts". Frontiers in Sociology. 7 886498. doi:10.3389/fsoc.2022.886498. ISSN 2297-7775. PMC 9120935. PMID 35602001.
Muthusami, R.; Mani Kandan, N.; Saritha, K.; Narenthiran, B.; Nagaprasad, N.; Ramaswamy, Krishnaraj (2024-05-25). "Investigating topic modeling techniques through evaluation of topics discovered in short texts data across diverse domains". Scientific Reports. 14 (1): 12003. doi:10.1038/s41598-024-61738-4. ISSN 2045-2322. PMC 11127968. PMID 38796483.
Murshed, Belal Abdullah Hezam; Mallappa, Suresha; Abawajy, Jemal; Saif, Mufeed Ahmed Naji; Al-ariki, Hasib Daowd Esmail; Abdulwahab, Hudhaifa Mohammed (2023-06-01). "Short text topic modelling approaches in the context of big data: taxonomy, survey, and analysis". Artificial Intelligence Review. 56 (6): 5133–5260. doi:10.1007/s10462-022-10254-w. ISSN 1573-7462. PMC 9607740. PMID 36320612.
Martin Gerlach; Tiago Pexioto; Eduardo Altmann (2018). "A network approach to topic models". Science Advances. 4 (7) eaaq1360. arXiv:1708.01677. Bibcode:2018SciA....4.1360G. doi:10.1126/sciadv.aaq1360. PMC 6051742. PMID 30035215.
Liu, L.; Tang, L.; et al. (2016). "An overview of topic modeling and its current applications in bioinformatics". SpringerPlus. 5 (1): 1608. doi:10.1186/s40064-016-3252-8. PMC 5028368. PMID 27652181. S2CID 16712827.
Valle, F.; Osella, M.; Caselle, M. (2020). "A Topic Modeling Analysis of TCGA Breast and Lung Cancer Transcriptomic Data". Cancers. 12 (12): 3799. doi:10.3390/cancers12123799. PMC 7766023. PMID 33339347. S2CID 229325007.

pubmed.ncbi.nlm.nih.gov

Egger, Roman; Yu, Joanne (2022). "A Topic Modeling Comparison Between LDA, NMF, Top2Vec, and BERTopic to Demystify Twitter Posts". Frontiers in Sociology. 7 886498. doi:10.3389/fsoc.2022.886498. ISSN 2297-7775. PMC 9120935. PMID 35602001.
Muthusami, R.; Mani Kandan, N.; Saritha, K.; Narenthiran, B.; Nagaprasad, N.; Ramaswamy, Krishnaraj (2024-05-25). "Investigating topic modeling techniques through evaluation of topics discovered in short texts data across diverse domains". Scientific Reports. 14 (1): 12003. doi:10.1038/s41598-024-61738-4. ISSN 2045-2322. PMC 11127968. PMID 38796483.
Murshed, Belal Abdullah Hezam; Mallappa, Suresha; Abawajy, Jemal; Saif, Mufeed Ahmed Naji; Al-ariki, Hasib Daowd Esmail; Abdulwahab, Hudhaifa Mohammed (2023-06-01). "Short text topic modelling approaches in the context of big data: taxonomy, survey, and analysis". Artificial Intelligence Review. 56 (6): 5133–5260. doi:10.1007/s10462-022-10254-w. ISSN 1573-7462. PMC 9607740. PMID 36320612.
Martin Gerlach; Tiago Pexioto; Eduardo Altmann (2018). "A network approach to topic models". Science Advances. 4 (7) eaaq1360. arXiv:1708.01677. Bibcode:2018SciA....4.1360G. doi:10.1126/sciadv.aaq1360. PMC 6051742. PMID 30035215.
Liu, L.; Tang, L.; et al. (2016). "An overview of topic modeling and its current applications in bioinformatics". SpringerPlus. 5 (1): 1608. doi:10.1186/s40064-016-3252-8. PMC 5028368. PMID 27652181. S2CID 16712827.
Valle, F.; Osella, M.; Caselle, M. (2020). "A Topic Modeling Analysis of TCGA Breast and Lung Cancer Transcriptomic Data". Cancers. 12 (12): 3799. doi:10.3390/cancers12123799. PMC 7766023. PMID 33339347. S2CID 229325007.

proquest.com (Global: 121^st place; English: 59^th place)

Lamba, Manika may (2019). "Author-Topic Modeling of DESIDOC Journal of Library and Information Technology (2008-2017), India". Library Philosophy and Practice.

richmond.edu (Global: low place; English: 6,905^th place)

dsl.richmond.edu

Nelson, Rob. "Mining the Dispatch". Mining the Dispatch. Digital Scholarship Lab, University of Richmond. Retrieved 26 March 2021.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Blei, David (April 2012). "Probabilistic Topic Models". Communications of the ACM. 55 (4): 77–84. doi:10.1145/2133806.2133826. S2CID 753304.
Papadimitriou, Christos; Raghavan, Prabhakar; Tamaki, Hisao; Vempala, Santosh (1998). "Latent semantic indexing". Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '98. pp. 159–168. doi:10.1145/275487.275505. ISBN 978-0-89791-996-8. S2CID 1479546. Archived from the original (Postscript) on 2013-05-09. Retrieved 2012-04-17.
Lamba, Manika jun (2019). "Mapping of topics in DESIDOC Journal of Library and Information Technology, India: a study". Scientometrics. 120 (2): 477–505. doi:10.1007/s11192-019-03137-5. ISSN 0138-9130. S2CID 174802673.
Yin, Zhijun (2011). "Geographical topic discovery and comparison". Proceedings of the 20th international conference on World wide web. pp. 247–256. doi:10.1145/1963405.1963443. ISBN 978-1-4503-0632-4. S2CID 17883132.
Nikolenko, Sergey (2017). "Topic modelling for qualitative studies". Journal of Information Science. 43: 88–102. doi:10.1177/0165551515617393. S2CID 30657489.
Blei, David M. (April 2012). "Introduction to Probabilistic Topic Models" (PDF). Comm. ACM. 55 (4): 77–84. doi:10.1145/2133806.2133826. S2CID 753304.
Liu, L.; Tang, L.; et al. (2016). "An overview of topic modeling and its current applications in bioinformatics". SpringerPlus. 5 (1): 1608. doi:10.1186/s40064-016-3252-8. PMC 5028368. PMID 27652181. S2CID 16712827.
Valle, F.; Osella, M.; Caselle, M. (2020). "A Topic Modeling Analysis of TCGA Breast and Lung Cancer Transcriptomic Data". Cancers. 12 (12): 3799. doi:10.3390/cancers12123799. PMC 7766023. PMID 33339347. S2CID 229325007.

web.archive.org (Global: 1^st place; English: 1^st place)

Papadimitriou, Christos; Raghavan, Prabhakar; Tamaki, Hisao; Vempala, Santosh (1998). "Latent semantic indexing". Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '98. pp. 159–168. doi:10.1145/275487.275505. ISBN 978-0-89791-996-8. S2CID 1479546. Archived from the original (Postscript) on 2013-05-09. Retrieved 2012-04-17.
Hofmann, Thomas (1999). "Probabilistic Latent Semantic Indexing" (PDF). Proceedings of the Twenty-Second Annual International SIGIR Conference on Research and Development in Information Retrieval. Archived from the original (PDF) on 2010-12-14.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Egger, Roman; Yu, Joanne (2022). "A Topic Modeling Comparison Between LDA, NMF, Top2Vec, and BERTopic to Demystify Twitter Posts". Frontiers in Sociology. 7 886498. doi:10.3389/fsoc.2022.886498. ISSN 2297-7775. PMC 9120935. PMID 35602001.
Muthusami, R.; Mani Kandan, N.; Saritha, K.; Narenthiran, B.; Nagaprasad, N.; Ramaswamy, Krishnaraj (2024-05-25). "Investigating topic modeling techniques through evaluation of topics discovered in short texts data across diverse domains". Scientific Reports. 14 (1): 12003. doi:10.1038/s41598-024-61738-4. ISSN 2045-2322. PMC 11127968. PMID 38796483.
Churchill, Rob; Singh, Lisa (2022-11-10). "The Evolution of Topic Modeling". ACM Comput. Surv. 54 (10s): 215:1–215:35. doi:10.1145/3507900. ISSN 0360-0300.
Murshed, Belal Abdullah Hezam; Mallappa, Suresha; Abawajy, Jemal; Saif, Mufeed Ahmed Naji; Al-ariki, Hasib Daowd Esmail; Abdulwahab, Hudhaifa Mohammed (2023-06-01). "Short text topic modelling approaches in the context of big data: taxonomy, survey, and analysis". Artificial Intelligence Review. 56 (6): 5133–5260. doi:10.1007/s10462-022-10254-w. ISSN 1573-7462. PMC 9607740. PMID 36320612.
Lamba, Manika jun (2019). "Mapping of topics in DESIDOC Journal of Library and Information Technology, India: a study". Scientometrics. 120 (2): 477–505. doi:10.1007/s11192-019-03137-5. ISSN 0138-9130. S2CID 174802673.
Lamba, Manika jun (2019). "Metadata Tagging and Prediction Modeling: Case Study of DESIDOC Journal of Library and Information Technology (2008-2017)". World Digital Libraries. 12: 33–89. doi:10.18329/09757597/2019/12103 (inactive 12 July 2025). ISSN 0975-7597.{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)

Topic model (English Wikipedia)

acm.org (Global: 1,200th place; English: 821st place)

cacm.acm.org

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

arxiv.org (Global: 49th place; English: 31st place)

berkeley.edu (Global: 621st place; English: 429th place)

cs.berkeley.edu

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cs.brown.edu

doi.org (Global: 2nd place; English: 2nd place)

doi.org

dx.doi.org

illinois.edu (Global: 1,178th place; English: 745th place)

ifp.illinois.edu

iospress.com (Global: low place; English: low place)

content.iospress.com

jmlr.org (Global: low place; English: low place)

mit.edu (Global: 476th place; English: 340th place)

jmlr.csail.mit.edu

mlr.press (Global: low place; English: low place)

proceedings.mlr.press

nature.com (Global: 207th place; English: 347th place)

ncl.edu.tw (Global: 1,827th place; English: low place)

etd2018.ncl.edu.tw

nih.gov (Global: 5th place; English: 5th place)

ncbi.nlm.nih.gov

pubmed.ncbi.nlm.nih.gov

proquest.com (Global: 121st place; English: 59th place)

richmond.edu (Global: low place; English: 6,905th place)

dsl.richmond.edu

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

web.archive.org (Global: 1st place; English: 1st place)

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

acm.org (Global: 1,200^th place; English: 821^st place)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

arxiv.org (Global: 49^th place; English: 31^st place)

berkeley.edu (Global: 621^st place; English: 429^th place)

brown.edu (Global: 2,455^th place; English: 1,451^st place)

doi.org (Global: 2^nd place; English: 2^nd place)

illinois.edu (Global: 1,178^th place; English: 745^th place)

mit.edu (Global: 476^th place; English: 340^th place)

nature.com (Global: 207^th place; English: 347^th place)

ncl.edu.tw (Global: 1,827^th place; English: low place)

nih.gov (Global: 5^th place; English: 5^th place)

proquest.com (Global: 121^st place; English: 59^th place)

richmond.edu (Global: low place; English: 6,905^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)