Reading Group

Reading Group

Mondays 3:30 - 4:30 pm
Location 620, CEPSR

Possible topics for discussion:

Question-Answering (general topics plus TREC systems)
Statistical vs. knowledge-based approach
Automatically extracting lexical semantic information from text
Unsupervised grammar induction
Parsing/extracting discourse relations from text
Summarization

Fall 2002 reading group

Date	Paper	Presenter
February 24	Unsupervised Word Sense Disambiguation Rivaling Supervised Methods David Yarowsky, ACL95 Combining Labeled and Unlabeled Data with Co-Training Avrim Blum and Tom Mitchell, COLT98 Bootstrapping Steven Abney, ACL02	John Chen
March 31	Finding Parts in Very Large Corpora M. Berland, E. Charniak, ACL 1999 Automatic Acquisition of Hyponyms from Large Text Corpora M. Hearst, ICCL 1992.	Peter Davis
April 14	Experiments with a New Boosting Algorithm Yoav Freund, Robert E. Schapire, ICML 1996 Boosted Wrapper Induction Dayne Freitag, Nicholas Kushmerick AAAI/IAAI 2000	Eugene Agichtein
April 28	Exploiting String Syntactic Heuristics and Co-Training to learn Semantic Lexicons William Phillips and Ellen Riloff, EMNLP 2002 A Bootstrapping Method for Learning Semantic Lexicons using Extraction Pattern Contexts Michael Thelen and Ellen Riloff, EMNLP 2002	Roy J. Byrd

contact:

Elena Filatova

filatova [] cs.columbia.edu