Sciweavers

NAACL
2007
14 years 1 months ago
Clustered Sub-Matrix Singular Value Decomposition
This paper presents an alternative algorithm based on the singular value decomposition (SVD) that creates vector representation for linguistic units with reduced dimensionality. T...
Fang Huang, Yorick Wilks
NAACL
2007
14 years 1 months ago
Towards Robust Semantic Role Labeling
Sameer Pradhan, Wayne Ward, James H. Martin
NAACL
2007
14 years 1 months ago
Bayesian Inference for PCFGs via Markov Chain Monte Carlo
This paper presents two Markov chain Monte Carlo (MCMC) algorithms for Bayesian inference of probabilistic context free grammars (PCFGs) from terminal strings, providing an altern...
Mark Johnson, Thomas L. Griffiths, Sharon Goldwate...
NAACL
2007
14 years 1 months ago
A Case For Shorter Queries, and Helping Users Create Them
Information retrieval systems are frequently required to handle long queries. Simply using all terms in the query or relying on the underlying retrieval model to appropriately wei...
Giridhar Kumaran, James Allan
NAACL
2007
14 years 1 months ago
Extracting Semantic Orientations of Phrases from Dictionary
We propose a method for extracting semantic orientations of phrases (pairs of an adjective and a noun): positive, negative, or neutral. Given an adjective, the semantic orientatio...
Hiroya Takamura, Takashi Inui, Manabu Okumura
NAACL
2007
14 years 1 months ago
Tree Revision Learning for Dependency Parsing
We present a revision learning model for improving the accuracy of a dependency parser. The revision stage corrects the output of the base parser by means of revision rules learne...
Giuseppe Attardi, Massimiliano Ciaramita
NAACL
2007
14 years 1 months ago
Multi-Document Relationship Fusion via Constraints on Probabilistic Databases
Previous multi-document relationship extraction and fusion research has focused on single relationships. Shifting the focus to multiple relationships allows for the use of mutual ...
Gideon Mann
NAACL
2007
14 years 1 months ago
Extracting Appraisal Expressions
Sentiment analysis seeks to characterize opinionated or evaluative aspects of natural language text. We suggest here that appraisal expression extraction should be viewed as a fun...
Kenneth Bloom, Navendu Garg, Shlomo Argamon
NAACL
2007
14 years 1 months ago
A Systematic Exploration of the Feature Space for Relation Extraction
Relation extraction is the task of finding semantic relations between entities from text. The state-of-the-art methods for relation extraction are mostly based on statistical lea...
Jing Jiang, ChengXiang Zhai