Expertise and Research Interests:

Chris is a senior systems architect in the Lexical Systems Group (LSG) at the NIH/NLM. His expertise includes tuning software development process, architecture specification, analysis, design, implementation, testing and mentoring. He received his PhD in Computer Integrated Manufacturing and Design (CIMAD) in the mechanical engineering department from University of Maryland.

He leads many natural language processing (NLP) projects at the NIH/NLM, including the public releases of the UMLS SPECIALIST Lexicon and Lexical Tools, Visual Tagging Tools (VTT), SubTerm Mapping Tools (STMT), MEDLINE N-gram Set (MNS), Text Categorization Tool (TC) and Spell Checker for Consumer Language (CSpell). He is a member of AMIA, ACM and Academia.

 

Honors and Awards:

• 2020 NLM Group Award: Early Access of COVID-19 Terms for the Indexing Initiative Tools
• 2019 JAMIA Editor's Choice Paper Award: Spell checker for consumer language (CSpell)
• 2017 HealthInfo Best Paper Award Candidate: Generating A Distilled N-Gram Set: Effective Lexical Multiword Building in the SPECIALIST Lexicon
• 2016 HealthInfo Best Poster Award: Generating SD-Rules in the SPECISLIST Lexical Tools - Optimization for Suffix Derivation Rule Set
• 2012 AMIA Distinguished Poster Award: Development of Sub-Term Mapping Tools (STMT)

Publications:

Lu CJ, Payne A, Mork J. Enhancing The SPECIALIST Lexicon with WordNet. AMIA 2022 Annual Symposium, Nov. 5-9, 2022.

Lu CJ, Payne A, Mork J. Identifying Criteria for Antonym Generation from Corpora. AMIA 2021 Annual Symposium, Oct. 30 - Nov. 3, 2021, p.1734.

Lu CJ, Payne A, Mork J. Proper filter usage to retrieve multiwords from the MEDLINE n-gram set: Reply to the Turki et al commentary "Enhancing filter-based parenthetic abbreviation extraction methods" [Letter]. Journal of the American Medical Informatics Association, Volume 28, Issue 3, March 2021, Page 670, https://doi.org/10.1093/jamia/ocaa313.

Lu CJ, Payne A, Mork JG. Enhanced Features in the SPECIALIST Lexicon - Antonyms. AMIA 2020 Virtual Annual Symposium, November 14-18, 2020.

Lu CJ, Payne A, Mork JG. The Unified Medical Language System SPECIALIST Lexicon and Lexical Tools: Development and applications. J Am Med Inform Assoc. 2020 May 29;27(10):1600-1605. doi: 10.1093/jamia/ocaa056.

Lu CJ, Payne A, Demner-Fushman D. Classification Types: A New Feature in the SPECIALIST Lexicon [Poster]. MIA 2019 Annual Symposium, Washington, DC, November 16-20, 2019.

Lu C, Aronson AR, Shooshan SE, Demner-Fushman D. Spell checker for consumer language (CSpell). Journal of the American Medical Informatics Association, Volume 26, Issue 3, 1 March 2019, Pages 211-218, https://doi.org/10.1093/jamia/ocy171 21 January 2019 (Editor's Choice).

Lu C, Demner-Fushman D. Improving Spelling Correction with Consumer Health Terminology Improving Spelling Correction with Consumer Health Terminology. AMIA 2018 Annual Symposium, San Francisco, CA, November 3-7, 2018, p. 2053.

Lu C, Demner-Fushman D. Improving Spelling Correction with Consumer Health Terminology . AMIA 2018 Annual Symposium, San Francisco, CA, November 3-7, 2018, p. 2053.

Lu C, Tormey D, McCreedy L, Browne AC. Enhancing LexSynonym Features in the Lexical Tools . AMIA 2017 Annual Symposium, Washington, DC, November 04-08, 2017, p. 2090

Lu C, Tormey D, McCreedy L, Browne AC. Generating A Distilled N-Gram Set: Effective Lexical Multiword Building in the SPECIALIST Lexicon. The 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017), Vol(5): HEALTHINF, PORTO, Portugal, February 21-23, 2017, p. 77-87.

Lu C, Tormey D, McCreedy L, Browne AC. Enhanced LexSynonym Acquisition for Effective UMLS Concept Mapping. Stud Health Technol Inform. 2017;245:501-505.

Lu C, Tormey D, McDreedy L, Browne AC. Multiword frequency analysis based on MEDLINE N - gram set [Poster]. AMIA 2016 Annual Symposium, Chicago, IL, November 12-16, 2016.

Lu C, Tormey D, McDreedy L, Browne AC. Generating SD-Rules in the SPECISLIST Lexical Tools - Optimization for suffix derivation rule set [Poster]. BIOSTEC 2016), Vol(5): HEALTHINF, Rome, Italy, February 21-23, 2016, p. 353-358 (9th International Conference on Health Informatics, HEALTHINF/BIOSTEC, 2016 Best Poster Award

Lu C, Tormey D, MCreedy L, Browne AC. Generating the MEDLINE N-Gram Set [Poster]. AMIA 2015 Annual Symposium, San Francisco, CA, November 14-18, 2015, p. 1569.

Lu C, Tormey D, McDreedy L, Browne AC. Using element words to generate (multi)words for the SPECIALIST Lexicon [Poster]. AMIA 2014 Annual Symposium, Washington, DC, November 15-19, 2014, p. 1499. Poster

Lu C, Tormey D, McDreedy L, Browne AC. Implementing comprehensive derivational features in Llexical tools using a systematical approach [Poster]. AMIA 2013 Annual Symposium, Washington, DC, November 16-20, 2013, p. 904

Lu C, Browne AC. Development of Sub-Term Mapping Tools (STMT) . AMIA 2012 Annual Symposium, Chicago, IL, November 3-7, 2012

Lu C, Browne AC. Development of sub-term mapping tools (STMT) [Poster]. AMIA 2012 Annual Symposium, Chicago, IL, November 3-7, 2012, p. 1845 (AMIA, 2012 Distinguished Poster Award) Poster.

Lu C, McCreedy L, Tormey D, Browne AC. A Systematic Approach for Automatically Generating Derivational Variants in Lexical Tools Based on theSPECIALIST Lexicon . IEEE IT Professional Magazine, May/June, 2012;36-42.

Lu C, Tormey D, McCreedy L, Browne AC. A Systematic Approach for Automatically Generating Derivational Variants in Lexical Tools Based on the SPECIALIST Lexicon. IEEE IT Professional Magazine, May/June, 2012, p. 36-42.

Lu C, Browne AC. Converting Unicode Lexicon and Lexical Tools for ASII NLP Applications . AMIA Annu Symp Proc 2011:1870.

Lu C, Divita G, Browne AC. Development of Visual Tagging Tool . AMIA Annu Symp Proc 2010:1156.

Lu C, Humphrey SM, Rogers W, Browne AC. Development of a semantic type based WSD tool [Abstract]. AMIA Annu Symp Proc 2009:943.

Lu C, Humphrey SM, Browne AC. A method for verifying a vector-based text classification system . AMIA Annu Symp Proc. 2008 Nov 6:1030.

Lu C, Browne AC, Allen C, Divita G. Using Lexical tools to convert Unicode characters to ASCII. AMIA Annu Symp Proc. 2008 Nov 6:1031.

Humphrey SM, Lu C, Rogers W, Browne AC. Journal descriptor indexing tool for categorizing text according to discipline or semantic type. AMIA Annu Symp Proc. 2006:960.

Brown AC, Divita G, Lu C, McCreedy L, Nace D. Lexical Systems: A Report to the Board of Scientific Counselors. September 2003 Technical Report to the LHNCBC Board of Scientific Counselors.

Lu CJ, Bangalore A, Tse T. Developing Web Browser Recording Tools Using Server-Side Programming Technology. Proc. of WebNet 2000, World conference on WWW and Internet: Association for the Advancement of Computing in Education. 2000;:372-7.