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EMNLP
2009
15 years 4 months ago
Recognizing Implicit Discourse Relations in the Penn Discourse Treebank
We present an implicit discourse relation classifier in the Penn Discourse Treebank (PDTB). Our classifier considers the context of the two arguments, word pair information, as we...
Ziheng Lin, Min-Yen Kan, Hwee Tou Ng
EMNLP
2009
15 years 4 months ago
Supervised and Unsupervised Methods in Employing Discourse Relations for Improving Opinion Polarity Classification
This work investigates design choices in modeling a discourse scheme for improving opinion polarity classification. For this, two diverse global inference paradigms are used: a su...
Swapna Somasundaran, Galileo Namata, Janyce Wiebe,...
EMNLP
2009
15 years 4 months ago
Finding Short Definitions of Terms on Web Pages
We present a system that finds short definitions of terms on Web pages. It employs a Maximum Entropy classifier, but it is trained on automatically generated examples; hence, it i...
Gerasimos Lampouras, Ion Androutsopoulos
EMNLP
2009
15 years 4 months ago
Efficient kernels for sentence pair classification
In this paper, we propose a novel class of graphs, the tripartite directed acyclic graphs (tDAGs), to model first-order rule feature spaces for sentence pair classification. We in...
Fabio Massimo Zanzotto, Lorenzo Dell'Arciprete
EMNLP
2009
15 years 4 months ago
Combining Collocations, Lexical and Encyclopedic Knowledge for Metonymy Resolution
This paper presents a supervised method for resolving metonymies. We enhance a commonly used feature set with features extracted based on collocation information from corpora, gen...
Vivi Nastase, Michael Strube