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» Extracting Ontologies from Relational Databases
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CORR
2002
Springer
87views Education» more  CORR 2002»
14 years 11 months ago
Rerendering Semantic Ontologies: Automatic Extensions to UMLS through Corpus Analytics
In this paper, we discuss the utility and deficiencies of existing ontology resources for a number of language processing applications. We describe a technique for increasing the ...
James Pustejovsky, Anna Rumshisky, José M. ...
DASFAA
2005
IEEE
153views Database» more  DASFAA 2005»
15 years 5 months ago
FASST Mining: Discovering Frequently Changing Semantic Structure from Versions of Unordered XML Documents
Abstract. In this paper, we present a FASST mining approach to extract the frequently changing semantic structures (FASSTs), which are a subset of semantic substructures that chang...
Qiankun Zhao, Sourav S. Bhowmick
IFIP12
2007
15 years 1 months ago
Semantic Multimedia Analysis based on Region Types and Visual Context
In this paper previous work on the detection of high-level concepts within multimedia documents is extended by introducing a mid-level ontology as a means of exploiting the visual ...
Evaggelos Spyrou, Phivos Mylonas, Yannis S. Avrith...
JDCTA
2010
152views more  JDCTA 2010»
14 years 6 months ago
A Semantic Approach to Extract the Final Answer in SBUQA Question Answering System
In this paper we introduce the semantic approach of the answer extraction component of a question answering system called SBUQA. The answer extraction component gets the retrieved...
Mehrnoush Shamsfard, Mahsa Arab Yarmohammadi
113
Voted
KDD
2009
ACM
379views Data Mining» more  KDD 2009»
15 years 4 months ago
MetaFac: community discovery via relational hypergraph factorization
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...