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SWAP
2008
13 years 7 months ago
Combining Statistical Techniques and Lexico-syntactic Patterns for Semantic Relations Extraction from Text
We describe here a methodology to combine two different techniques for Semantic Relation Extraction from texts. On the one hand, generic lexicosyntactic patterns are applied to the...
Emiliano Giovannetti, Simone Marchi, Simonetta Mon...
ACL
2010
13 years 4 months ago
Learning Arguments and Supertypes of Semantic Relations Using Recursive Patterns
A challenging problem in open information extraction and text mining is the learning of the selectional restrictions of semantic relations. We propose a minimally supervised boots...
Zornitsa Kozareva, Eduard H. Hovy
AIME
2003
Springer
13 years 11 months ago
Learning Derived Words from Medical Corpora
Abstract. Morphological knowledge (inflection, derivation, compounds) is useful for medical language processing. Some is available for medical English in the UMLS Specialist Lexic...
Pierre Zweigenbaum, Natalia Grabar
AI
2005
Springer
13 years 6 months ago
Unsupervised named-entity extraction from the Web: An experimental study
The KNOWITALL system aims to automate the tedious process of extracting large collections of facts (e.g., names of scientists or politicians) from the Web in an unsupervised, doma...
Oren Etzioni, Michael J. Cafarella, Doug Downey, A...
ACL
2007
13 years 7 months ago
Automatic Acquisition of Ranked Qualia Structures from the Web
This paper presents an approach for the automatic acquisition of qualia structures for nouns from the Web and thus opens the possibility to explore the impact of qualia structures...
Philipp Cimiano, Johanna Wenderoth