Sotabase

Career

· Researcher in Natural Language Processing Group, Columbia University2024–
· Researcher and Programmer, Columbia University2003–2005
· Instructor, Columbia University2001–
· PhD in Computer Science, Columbia University2000–2005
· Teaching Assistant, Columbia University1999–2001
· MS in Computer Science, Columbia University1997–2000
· Research Assistant, Columbia University1997–2005

Publications (15)

Algorithmic amplification of politics on Twitter
Proceedings of the National Academy of Sciences of the United States of America · 2021
282
cited
Large-scale high-precision topic modeling on twitter
Knowledge Discovery and Data Mining · 2014
119
cited
Answering Definitional Questions: A Hybrid Approach
New Directions in Question Answering · 2004
62
cited
A Hybrid Approach for QA Track Definitional Questions
Text Retrieval Conference · 2003
47
cited
Columbia University at DUC 2004
2004
44
cited
A Dual-Use Speech CAPTCHA: Aiding Visually Impaired Web Users while Providing Transcriptions of Audio Streams
2007
35
cited
JAVELIN I and II Systems at TREC 2005
Text Retrieval Conference · 2005
31
cited
A Hybrid Approach for Answering Definitional Questions
2003
28
cited
Qualitative Dimensions in Question Answering: Extending the Definitional QA Task
AAAI Conference on Artificial Intelligence · 2005
25
cited
JAVELIN III: Cross-Lingual Question Answering from Japanese and Chinese Documents
NTCIR Conference on Evaluation of Information Access Technologies · 2007
19
cited
Large Scale Relation Detection
HLT-NAACL 2010 · 2010
19
cited
Extending the JAVELIN QA System with Domain Semantics ∗
2005
14
cited
DefScriber: a hybrid system for definitional QA
Annual International ACM SIGIR Conference on Research and Development in Information Retrieval · 2003
12
cited
Building a Foundation System for Producing Short Answers to Factual Questions
Text Retrieval Conference · 2002
10
cited
Chapter 4 Answering Definitional Questions A Hybrid Approach
2004
1
cited
Sotabase