Natural Language Processing Group
Department of Computer Science - Columbia University

Student Projects

• Publications

OTSLAC Meetings

Events - Past NLP Meetings

Fall Talks 2002

September 12: Presentation on research projects at Columbia (Kathy McKeown, Judith Klavans, Vasileios Hatzivassiloglou)
September 26: Short presentations by members of the group, part I
October 10: Short presentations by members of the group, part II
October 24:
- Owen Rambow: A Quick Overview Of PropBank (10 mins)
- Hong Yu: Unsupervised Approaches for Disambiguating Biomedical Abbreviations (50 mins)
November 6 (Wednesday), 4.30pm, CEPSR 620 (most likely): Dan Jurafsy: An Informal talk on Semantic Parsing and its application to Question Answering
November 7 (Thursday), 12 noon: John Chen: Towards Efficient Statistical Parsing Using Lexicalized Grammatical Information
November 21 (Thursday), 12 noon:
- Wubin Weng: Automatic Interaction Verb Detection and Its Usage in Pattern Learning (30 mins)
- Peter Davis: Glossary Finding across Heterogeneous Formats (30 mins)
December 5 (Thursday), 12 noon: Pablo Duboue

Spring Talks 2003

January 23 (Thursday), 12 noon: Ani Nenkova: Improving the Coherence of Multi-Document Summaries: A Corpus Study for Modeling the Syntactic Realization of Entities
February 13 (Thursday), 12 noon: Dave Evans: Steps towards Multilingual Newsblasting
February 27 (Thursday), 12 noon: Jennifer Venditti: Studies on Intonational Prominence: Synthesis and Processing
March 13 (Thursday), 12 noon: Rebecca Passonneau: Guided Information Alignment for Definitional Q&A
April 3 (Thursday), 12 noon: Smaranda Muresan: Learning Toward Domain Specific Knowledge Acquisition
April 17 (Thursday), 12 noon: Melania Degeratu: Learning Discovery of General/Particular Knowledge in Text
May 1 (Thursday), 12 noon: Noémie Elhadad: Sentence Alignment for Monolingual Comparable Corpora

Fall Talks 2003

September 11: Short introductions by members of the group
September 25: David Elson: Tell Me a Story: Narrative Theory and Story Models [ppt]
October 9: Ani Nenkova and Rebecca Passonneau: Evaluating Content Selection in Human- or Machine-Generated Summaries: The Pyramid Scoring Method [ppt]
October 23: Yuqing Gao (IBM): Statistical Natural Language Generation in MASTOR: IBM's Speech-to-Speech Translation System
November 13 NOTE UNUSUAL DATE: Stephen Wan: Summarizing Consensus in Email Discussion Threads
November 20: Regina Barzilay, topic to be announced in camera
December 4: Advaith Siddharthan: Syntactic Simplification (And its applications in Sentence Clustering and Summarization)

Spring Talks 2004

February 12: Martin Jansche: Statistical models of word frequency and other count data.
February 26: Pablo Duboue: Pattern Induction Algorithms And Learning Of Content Planning Schemas.
April 8: Michel Galley: Identifying Agreement and Disagreement for Summarization of Conversational Speech..
April 22: Resource Seminar:

Fall Talks 2004

September 30: Min San Co: Extracting and Merging Glossaries from the Web.
October 14: Jackson Liscombe: Grounding Emotions in Spoken Dialog Systems. [ppt]
October 28: Nizar Habash: Generation-Heavy Hybrid Machine Translation. [ppt]
November 11: Martin Jansche: New Algorithms for Minimum Risk Chunking and Extraction. [pdf]

Spring Talks 2005

February 3: Smaranda Muresan.Learning Constraint-based Grammars using a Domain Ontology
February 17: Aaron Harnly. Automatic Summary Evaluation by the Pyramid Method. [pdf]
March 3, 10: John Kender. How to Teach Part (video).
March 24: Lokesh Shrestha. Summarizing Threads of Email Conversations. [ppt]
March 31: Mona Diab. Word Sense Disambiguation within a Multilingual Framework. .
April 14: Sameer Maskey. Comparing Lexical, Acoustic/Prosodic, Structural and Discourse Features for Speech Summarization.
April 28: Sasha Blair-Goldensohn. Finding and Using Rhetorical-Semantic Relations in Text. [ppt]

Fall Talks 2005

September 22: Elena Filatova. Tell Me What You Do and I'll Tell You What You Are: Learning Occupation-Related Activities for Biographies.
October 27: Smaranda Muresan. Grammar Approximation by Representative Sublanguage: A New Model for Grammar Induction.
November 3: Andrew Rosenberg. Charisma Perception from Text and Speech. [ppt]
November 17: David Suendermann. Residual Prediction.
December 1: Martin Jansche. Treebank Transfer.
December 15: Agustín Gravano. The Games Project.

Spring Talks 2006

March 2: Linda Bell and Joakim Gustafson. Developing multimodal dialogue systems: Some experiences from user trials in public settings.
April 13: Dave Elson. Modeling and Mining Narratives with Data-Driven Semantic Networks.

Fall Talks 2006

September 14: Kathleen McKeown, Julia Hirshberg and Owen Rambow. Overview of Columbia on-going NLP research projects. [Julia's slides, Owen's slides]
September 28: Rolf Carlson, Eva Strangert. Cues for Hesitation in Speech Synthesis.
October 5: Alexander Koller. Underspecified semantics, and sentence generation as planning.
October 19: Nizar Habash. Morphological Preprocessing for Statistical Machine Translation. [Nizar's slides]
November 9: Michel Galley. Lexicalized Markov Grammars for Sentence Compression.
November 16: Jakob Elming. Combination of Statistical Word Alignments Based on Multiple Tokenization Schemes.
November 30: Dragomir Radev. Clairlib: a perl library for NLP, IR, and graph analysis. [Clairlib is now available at: http://tangra.si.umich.edu/clair/clairlib.]

Spring Talks 2007

February 1: Margarita Alonso Ramos (Universidade da Coruña, Spain)
Leo Wanner (ICREA and Universitat Pompeu Fabra, Spain). Collocations and Lexical Resources for Natural Language Processing (Margarita Alonso Ramos); and Towards Automatic Summarization of Patent Documentation (Leo Wanner)
February 15: Panagiotis Ipeirotis and Anindya Ghose. Opinion Mining using Econometrics: A Case Study on Reputation Systems
February 22: Elena Filatova. Answering Event-Related Questions
March 1: Alessandro Moschitti. Kernel Engineering for Natural Language Processing Applications
March 8: Irina Matveeva. Hybrid Document Indexing with Spectral Embedding
March 29: Sameer Maskey and Wisam Dakka. NE-NET: Named Entity Network
April 12: Michelle Levine. Listeners' Comprehension of Stuttered Speech
May 10: Mona Diab. Arabic Diacritization in the Context of SMT
May 18: Yassine Benajiba (Universidad Politécnica Valencia, Spain). Arabic Named Entity Recognition: A Maximum Entropy-based Approach

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last updated - 01.24.2008