Research Interests
Computational Linguistics, Natural Language Processing (NLP) and Language Technology in general.
Corpus Linguistics, Data Science, Part of Speech Annotation, Syntactic/Dependency Parsing, and related areas.
Other interests
Language Typology, Language Documentation, Language Policy and Planning, General Linguistics.
Current Institutional Responsibilities
Assistant Director (Admin) / Head of Administration & DDO (Since August 1, 2016 till date)
Officer in-Charge, Linguistic Data Consortium for Indian Languages (LDCIL), (Since May 2017 till date)
Officer in-Charge, Computer Application Unit, (Since March 2016 till date)
Estate Officer (August 2016 - May, 2017; September, 2021 - till date)
Publications
Books
1. Proceedings of the Third Students’
Conference of Linguistics in India (SCONLI-3). 2011. ed. with Gibu Sabu M., Parimal Publishers, New Delhi.
2. Indian Language Part-of-Speech Tagset: Hindi.2010. Co-authored by Kalika Bali, Monojit Choudhury, Priyanka Biswas, Girish Nath Jha, Maansi Sharma. Linguistic Data Consortium, Philadelphia. (This is actually a PoS Annotated corpus of Hindi general domain text)
3. Choudhary, Narayan (ed.). 2019. Linguistic Resources for AI/NLP in Indian Languages. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-295-8.
4. Choudhary, Narayan. 2018. Cost Analysis of Linguistic Resources. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-283-5.
5. Ramamoorthy, L., Narayan Choudhary, Sonali Sutradhar, Arundhati Sengupta, Sankarshan Dutta, Priyanka Das & Saswati Karmakar. 2019. A Gold Standard Bengali Raw Text Corpus.Central Institute of Indian Languages, Mysore. 978-81-7343-204-0.
6. Ramamoorthy, L., Narayan Choudhary, Bridul Basumatary & Farson Daimary. 2019. A Gold Standard Bodo Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-209-5.
7. Ramamoorthy, L., Narayan Choudhary & Sunil Kumar. 2019. A Gold Standard Dogri Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-213-2.
8. Ramamoorthy, L., Narayan Choudhary, Mona Parakh, Purva S Dholakia., Gadhavi R Hiren & Maheshkumar R Solanki. 2019. A Gold Standard Gujarati Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-214-9.
9. Ramamoorthy, L., Narayan Choudhary, Jitendra Kumar Singh, Richa, Anjali Sinha, Dheeraj Kumar Mishra, Arimardan Kumar Tripathi, Aditi Debsharma, Satyaendra Kumar Awasthi & Madhupriya Pathak. 2019. A Gold Standard Hindi Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-219-4.
10. Ramamoorthy, L., Narayan Choudhary, Vijayalaxmi F. Patil, Chetan Suryakant Baji, Malini N Abhyankar, Rajesha N. & Manasa G. 2019. A Gold Standard Kannada Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-226-2.
11. Ramamoorthy, L., Narayan Choudhary & Shahid Mushtaq Bhat. 2019. A Gold Standard Kashmiri Raw Text Corpus. A Gold Standard Kashmiri Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-230-9.
12. Ramamoorthy, L., Narayan Choudhary, Saurabh Varik, Rashmi Shet Tanawade & Yashwant D Gawas. 2019. A Gold Standard Konkani Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-232-3.
13. Ramamoorthy, L., Narayan Choudhary, Arun Kumar Singh & Dinesh Mishra. 2019. A Gold Standard Maithili Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-236-1.
14. Ramamoorthy, L., Narayan Choudhary, Saritha S.L., Rejitha K.S. & Sajila S. 2019. A Gold Standard Malayalam Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-240-8.
15. Ramamoorthy, L., Narayan Choudhary, Amom Nandaraj Meetei, Yumnam Premila Chanu, Longjam Anand Singh & M. Bidyarani Devi. 2019. A Gold Standard Manipuri Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-245-3.
16. Ramamoorthy, L., Narayan Choudhary, Gajanan R Apine & Apurva P Betkekar. 2019. A Gold Standard Marathi Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-250-7.
17. Ramamoorthy, L., Narayan Choudhary, Samar Sinha, Jeena Rai, Umesh Chamling Rai & Rupesh Rai. 2019. A Gold Standard Nepali Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-255-2.
18. Ramamoorthy, L., Narayan Choudhary, Raja Kumar Naik, Pramod Kumar Rout, Kshirod Kumar Das & Santosh Kumar Mohanty. 2019. A Gold Standard Odia Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-258-3.
19. Ramamoorthy, L., Narayan Choudhary, G. Palanirajan, S. Thennarasu, Prem Kumar L. R, Amudha R., Prabagaran R., Vijayan N. & M. Ramesh Kumar. 2019. A Gold Standard Tamil Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-266-8.
20. Ramamoorthy, L., Narayan Choudhary, Thirupal C Reddy & Gangaraju H. 2019. A Gold Standard Telugu Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-271-2.
21. Ramamoorthy, L., Narayan Choudhary, Mansoor Khan, Shahnawaz Alam, Bi Bi Mariyam & Rushda Idris Khan. 2019. A Gold Standard Urdu Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-274-3.
22. Ramamoorthy, L., Narayan Choudhary, Sonali Sutradhar, Priyanka Biswas, Arundhati Sengupta, Sankarshan Dutta & Priyanka Das. 2019. Bengali Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-206-4.
23. Ramamoorthy, L., Narayan Choudhary, Bridul Basumatary & Farson Daimary. 2019. Bodo Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-211-8.
24. Ramamoorthy, L., Narayan Choudhary, Jitendra Kumar Singh, Richa, Anjali Sinha, Dheeraj Kumar Mishra, Arimardan Kumar Tripathi & Satyaendra Kumar Awasthi. 2019. Hindi Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-221-7.
25. Ramamoorthy, L., Narayan Choudhary, Vijayalaxmi F. Patil, Chetan Suryakant Baji, Malini N. Abhyankar, Rajesha N. & Manasa G. 2019. Kannada Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-228-6
26. Ramamoorthy, L., Narayan Choudhary, Saurabh Varik & Rashmi Shet Tanawade. 2019. Konkani Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-234-7.
27. Ramamoorthy, L., Narayan Choudhary, Arun Kumar Singh, Dinesh Mishra & Atuleshwar Jha. 2019. Maithili Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-238-5.
28. Ramamoorthy, L., Narayan Choudhary, Gajanan R Apine & Apurva P Betkekar. 2019. Marathi Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-251-4.
29. Ramamoorthy, L., Narayan Choudhary, Samar Sinha, Jeena Rai, Umesh Chamling Rai & Rupesh Rai. 2019. Nepali Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-255-2.
30. Ramamoorthy, L., Narayan Choudhary, Poonam Dhillon & Sarbjeet Kaur. 2019. Punjabi Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-264-4.
31. Ramamoorthy, L., Narayan Choudhary & Rajesha N. 2019. Telugu Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-272-9.
32. Ramamoorthy, L., Narayan Choudhary, Mansoor Khan, Shahnawaz Alam, Bi Bi Mariyam & Rushda Idris Khan. 2019. Urdu Raw Speech Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-276-7.
33. Ramamoorthy, L., Narayan Choudhary, Poonam Dhillon, Sarbjeet Kaur & Sandeep Singh. 2019. A Gold Standard Punjabi Raw Text Corpus. Central Institute of Indian Languages, Mysore. ISBN: 978-81-7343-262-0.
Research Papers in Refereed Journals/Conferences
1. N. Choudhary and D. G. Rao. 2020. The LDC-IL Speech Corpora. In Proceedings of 23rd Conference of the Oriental COCOSDA International Committee for the Co-ordination and Standardisation of Speech Databases and Assessment Techniques (O-COCOSDA), Yangon, Myanmar, 2020. pp. 28-32, doi: https://doi.org/10.1109/O-COCOSDA50338.2020.9295011
2. Choudhary, N. 2021. LDC-IL: The Indian Repository of Resources for Language Technology. Language Resources & Evaluation. Springer, Vol. 55, Issue 1. doi: https://doi.org/10.1007/s10579-020-09523-3
3. Parth Pathak, Pinal Patel, Vishal Panchal, Sagar Soni, Kinjal Dani, Narayan Choudhary, Amrish Patel. 2015. ezDI: A Supervised NLP System for Clinical Narrative Analysis. In: Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015). Denver, Colorado. (Accorded first rank in the shared task)
4. Neha Dixit and Narayan Choudhary. 2014. Evaluating Two Annotated Corpora of Hindi Using a Verb Class Identifier. In Proceedings of ICON 2014. Goa University, Goa (To appear in ACL Anthology).
5. Neha Dixit and Narayan Choudhary. 2014. Automatic Classification of Hindi Verbs in Syntactic Perspective. International Journal of Emerging Technology and Advanced Engineering, Volume 4, 8th Issue. ( ISSN 2250 – 2459 (Online))
6. Parth Pathak, Pinal Patel, Vishal Panchal, Narayan Choudhary, Amrish Patel, Gautam Joshi. 2014. ezDI: A Hybrid CRF and SVM based Model for Detecting and Encoding Disorder Mentions in Clinical Notes. In: Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014 Shared Task, awarded third best result). Dublin, Ireland. ISBN 978-1-941643-29-7
7. Narayan Choudhary, Parth Pathak, Pinal Patel, Vishal Panchal. 2014. Annotating a Large Representative Corpus of Clinical Notes for Parts of Speech. 2014. In: Proceedings of 8th Linguistic Annotation Workshop, Dublin, Ireland. ISBN 978-1-941643-29-7
8. Narayan Choudhary, Girish Nath Jha. 2011.Creating Multilingual Parallel Corpora in Indian Languages. 2011. In Proceedings of the 5th Language & Technology Conference, Poznan, Poland. (awarded the Best Student Paper)
9. Narayan Choudhary, Girish Nath Jha and Pramod Pandey. 20011. A Rule based Method for the Identification of TAM features in a PoS Tagged Corpus. In Proceedings of the 5th Language & Technology Conference, Poznan, Poland.
10. Narayan Choudhary. 2011. Web-drawn corpus for Indian Languages: A Case of Hindi. In Proceedings of Information Systems for Indian Languages. Volume 139, Part 2, 218-223. Springer Verlag.
11. Narayan Choudhary. 2008. बोधात्मक भाषाविज्ञान, in Gaveshanaa, April-June, 2008 vol.:90/2008 Central Institute of Hindi, Agra. pp.:11-18 (This is a Hindi translation of the article “Cognitive Linguistics” from Encyclopedia of Linguistics by Gilles Falkner, 2006)
12. Narayan Choudhary. 2007. Syllable Structure of Great Andamanese, November, 2006. In proceedings of National Seminar on Perspectives in Linguistics, Kashmir University, Srinagar, Kashmir. India. Pp. 141-146
13. Narayan Choudhary, Anvita Abbi, Girish Nath Jha. 2007.Morphological Analyzer for Great Andamanese Verbs: Implementing a Concatenative Template. In Vishwabharat ( April 2007 - January 2008 Journal) TDIL, New Delhi, pp.113-118 http://tdil.mit.gov.in/april-jan-2008/8.8_Morphological_analyzer.pdf
Invited Talks
1. “NLP and Information Extraction”, SCONLI-07, Aligarh Muslim University, Aligarh, 8-10 February, 2013
2. Orientation Course in Computational Linguistics, Tezpur University, Assam. 21-23 December, 2014
3. Translation Process State, Knowledge Commission of Gujarat, Ahmedabad. 01-02-2016
4. Current Trends in Translation Industry, National Translation Mission, CIIL, Mysore. 03-03-2017
5. Translation Practices in the IT Industry, National Translation Mission, CIIL, Mysore. 04-03-2017
6. Introduction to Translation, National Translation Mission, CIIL, Mysore. 16-05-2017
7. ICT based teaching of English Training Programme for Secondary Teachers (AP, Telangana and TN), 3-09-2017 RIE,
NCERT, Mysore
8. Ways of Empowering Language using Language Technlogy, Language Across Curriculum in Multi-Linguistic Context:
Scope and Challenges, 29-31 January, 2018 RIE, Mysore
Awards
1. Ranked 1st in “SemEval-2015 Task
14: Analysis of Clinical Text”, to occur in NAACL-2015, Denver, Colorado.
2. Ranked 3rd in “SEMEVAL 2014: Shared Task 7: Analysis of Clinical Text”, Dublin, Ireland
3. Best Student Paper Award for the paper titled “Creating Multilingual Parallel Corpora in Indian Languages” at
LTC’11, Poznan, Poland
4. UGC-NET Lectureship Award, 2003 and 2004 br
Past Research Work Experiences
1. NLP Research Engineer, ezDI, LLC.: July, 2012 – February, 2016
2. Senior Linguist, Shallow Parser Tools for Indian Languages, JNU, New Delhi: May, 2012 – June, 2012
3. Senior Linguist, Indian Languages Corpora Initiative (ILCI), JNU, New Delhi: March, 2009 – May, 2010
4. Teaching Assistant, Centre for Linguistics and Special Centre for Sanskrit Studies, JNU, New Delhi: August,
2007 - July, 2009
5. Research Assistant, Centre for Linguistics, JNU, New Delhi: August, 2005-July, 2007
6. Project Associate, CSE, IIT Kanpur: May, 2005-June, 2005
Educational Qualifications
1. Ph. D. Thesis Title: Automatic Identification
and Analysis of Verb Groups in Hindi. JNU. 2006-2011.
2. M. Phil. Dissertation Title: Developing a
Computational Framework for the Verb Morphology of Great Andamanese. JNU, New Delhi, 2006
3. National Eligibility Test for Lectureship (NET -December, 2003; June, 2004) of the UGC
4. Masters (Linguistics), JNU, New Delhi, 2004. MA Thesis: Word Order in Pnar (Jaintia)
5. Bachelor of Arts (English Hons., Economics, History, Hindi), LNMU, Darbhanga, 2001.
OtherInfo
Computing Skills
Platforms: Well versed with Windows and Linux (Ubuntu/RHEL)
Development Environment: MySQL 5; PHP, JAVA, Python, C++, Perl, Prolog, LISP, CSS, HTML
Languages
Well Versed with Expertise: English, Hindi, Maithili
Academic Knowledge: Sanskrit, Pnar (Jaintia), Great Andamanese, Gujarati, Kannada and many more
Hobbies
Reading, Writing, Music, Yoga, Swimming, Mountaineering.
