Sciweavers

ACL
2010
13 years 9 months ago
Using Document Level Cross-Event Inference to Improve Event Extraction
Event extraction is a particularly challenging type of information extraction (IE). Most current event extraction systems rely on local information at the phrase or sentence level...
Shasha Liao, Ralph Grishman
ACL
2010
13 years 9 months ago
Constituency to Dependency Translation with Forests
Tree-to-string systems (and their forestbased extensions) have gained steady popularity thanks to their simplicity and efficiency, but there is a major limitation: they are unable...
Haitao Mi, Qun Liu
ACL
2010
13 years 9 months ago
A New Approach to Improving Multilingual Summarization Using a Genetic Algorithm
Automated summarization methods can be defined as "language-independent," if they are not based on any languagespecific knowledge. Such methods can be used for multiling...
Marina Litvak, Mark Last, Menahem Friedman
ACL
2010
13 years 9 months ago
On the Computational Complexity of Dominance Links in Grammatical Formalisms
Dominance links were introduced in grammars to model long distance scrambling phenomena, motivating the definition of multiset-valued linear indexed grammars (MLIGs) by Rambow (19...
Sylvain Schmitz
ACL
2010
13 years 9 months ago
Letter-Phoneme Alignment: An Exploration
Letter-phoneme alignment is usually generated by a straightforward application of the EM algorithm. We explore several alternative alignment methods that employ phonetics, integer...
Sittichai Jiampojamarn, Grzegorz Kondrak
ACL
2010
13 years 9 months ago
Identifying Text Polarity Using Random Walks
Automatically identifying the polarity of words is a very important task in Natural Language Processing. It has applications in text classification, text filtering, analysis of pr...
Ahmed Hassan, Dragomir R. Radev
ACL
2010
13 years 9 months ago
Incorporating Extra-Linguistic Information into Reference Resolution in Collaborative Task Dialogue
This paper proposes an approach to reference resolution in situated dialogues by exploiting extra-linguistic information. Recently, investigations of referential behaviours involv...
Ryu Iida, Syumpei Kobayashi, Takenobu Tokunaga
ACL
2010
13 years 9 months ago
Estimating Strictly Piecewise Distributions
Strictly Piecewise (SP) languages are a subclass of regular languages which encode certain kinds of long-distance dependencies that are found in natural languages. Like the classe...
Jeffrey Heinz, James Rogers
ACL
2010
13 years 9 months ago
Convolution Kernel over Packed Parse Forest
This paper proposes a convolution forest kernel to effectively explore rich structured features embedded in a packed parse forest. As opposed to the convolution tree kernel, the p...
Min Zhang, Hui Zhang, Haizhou Li