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» Introducing Speech and Language Processing
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EMNLP
2009
15 years 1 months ago
Phrase Dependency Parsing for Opinion Mining
In this paper, we present a novel approach for mining opinions from product reviews, where it converts opinion mining task to identify product features, expressions of opinions an...
Yuanbin Wu, Qi Zhang, Xuanjing Huang, Lide Wu
131
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EMNLP
2009
15 years 1 months ago
Unbounded Dependency Recovery for Parser Evaluation
This paper introduces a new parser evaluation corpus containing around 700 sentences annotated with unbounded dependencies, from seven different grammatical constructions. We run ...
Laura Rimell, Stephen Clark, Mark Steedman
EMNLP
2009
15 years 1 months ago
On the Use of Virtual Evidence in Conditional Random Fields
Virtual evidence (VE), first introduced by (Pearl, 1988), provides a convenient way of incorporating prior knowledge into Bayesian networks. This work generalizes the use of VE to...
Xiao Li
EMNLP
2009
15 years 1 months ago
Multi-Class Confidence Weighted Algorithms
The recently introduced online confidence-weighted (CW) learning algorithm for binary classification performs well on many binary NLP tasks. However, for multi-class problems CW l...
Koby Crammer, Mark Dredze, Alex Kulesza
144
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IS
2011
14 years 11 months ago
Fully dynamic metric access methods based on hyperplane partitioning
Metric access methods based on hyperplane partitioning have the advantage, compared to the ballpartitioning-based ones, that regions do not overlap. The price is less flexibility...
Gonzalo Navarro, Roberto Uribe Paredes