Constantine Lignos

Constantine Lignos is an Assistant Professor of Computational Linguistics at Brandeis University, affiliated with the Michtom School of Computer Science and the Computational Linguistics Program. His research focuses on broadening human language technology for understudied and low-resource languages. He directs the Broadening Linguistic Technologies Lab and has held postdoctoral and industry roles at The Children's Hospital of Philadelphia, BBN Technologies, and USC Information Sciences Institute.

Education:

• Ph.D. in Computer Science, University of Pennsylvania (2013)
• M.S. in Computer Science, University of Pennsylvania
• B.A. in Computer Science, Yale University

Research Interests:

• Low-resource language technology
• Machine translation and multilingual NLP
• Named entity recognition and entity linking
• Corpus creation (e.g., LR-Sum, ParaNames)
• Ethical considerations in NLP resource development

Key Contributions:

• Developed SeqScore for reproducible NER evaluation
• Coded the QueryNER e-commerce query segmentation dataset
• Created the multilingual MOT corpus

Awards:

• 2021: Honorable mention for Best Paper Award (Eval4NLP Workshop)

Labs & Teams:

• Broadening Linguistic Technologies Lab at Brandeis