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ACL
2008
15 years 8 months ago
Refining Event Extraction through Cross-Document Inference
We apply the hypothesis of "One Sense Per Discourse" (Yarowsky, 1995) to information extraction (IE), and extend the scope of "discourse" from one single docum...
Heng Ji, Ralph Grishman
ACL
2006
15 years 8 months ago
A Composite Kernel to Extract Relations between Entities with Both Flat and Structured Features
This paper proposes a novel composite kernel for relation extraction. The composite kernel consists of two individual kernels: an entity kernel that allows for entity-related feat...
Min Zhang, Jie Zhang, Jian Su, Guodong Zhou
ACL
2000
15 years 8 months ago
Extracting Causal Knowledge from a Medical Database Using Graphical Patterns
This paper reports the first part of a project that aims to develop a knowledge extraction and knowledge discovery system that extracts causal knowledge from textual databases. In...
Christopher S. G. Khoo, Syin Chan, Yun Niu
CLIN
2000
15 years 8 months ago
Proper Name Extraction from Non-Journalistic Texts
This paper discusses the influence of the corpus on the automatic identification of proper names in texts. Techniques developed for the newswire genre are generally not sufficient...
Thierry Poibeau, Leila Kosseim
NAACL
2010
15 years 5 months ago
Convolution Kernels for Opinion Holder Extraction
Opinion holder extraction is one of the important subtasks in sentiment analysis. The effective detection of an opinion holder depends on the consideration of various cues on vari...
Michael Wiegand, Dietrich Klakow