Sciweavers

178 search results - page 11 / 36
» The Impact of Task and Corpus on Event Extraction Systems
Sort
View
COLING
1990
13 years 8 months ago
Information Extraction and Semantic Constraints
We consider the problem of extracting specified types of information from natural language text. To properly analyze the text, we wish to apply semantic (selectional) constraints ...
Ralph Grishman, John Sterling
WWW
2005
ACM
14 years 7 months ago
Hybrid semantic tagging for information extraction
The semantic web is expected to have an impact at least as big as that of the existing HTML based web, if not greater. However, the challenge lays in creating this semantic web an...
Ronen Feldman, Binyamin Rosenfeld, Moshe Fresko, B...
CLEF
2008
Springer
13 years 8 months ago
Assessing the Impact of Thesaurus-Based Expansion Techniques in QA-Centric IR
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
Luís Sarmento, Jorge Teixeira, Eugén...
JBI
2002
105views Bioinformatics» more  JBI 2002»
13 years 6 months ago
Information extraction for enhanced access to disease outbreak reports
Document search is generally based on individual terms in the document. However, for collections within limited domains it is possible to provide more powerful access tools. This ...
Ralph Grishman, Silja Huttunen, Roman Yangarber
FLAIRS
2007
13 years 9 months ago
Probabilistic Task Content Modeling for Episodic Textual Narratives
Episodic knowledge is often stored in the form of textual narratives written in natural language. However, a large repository of such narratives will contain both repetitive and n...
Eni Mustafaraj, Martin Hoof, Bernd Freisleben