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» An Algorithm for Knowledge Base Extraction
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KR
2004
Springer
14 years 25 days ago
Ontological Knowledge Base Reasoning with Sort-Hierarchy and Rigidity
Although sorts and unary predicates are semantically identical in order-sorted logic, they are classified as different kinds of properties in formal ontology (e.g. sortal and non...
Ken Kaneiwa, Riichiro Mizoguchi
SYNASC
2008
IEEE
267views Algorithms» more  SYNASC 2008»
14 years 1 months ago
Grammar-Based Automatic Extraction of Definitions
This paper presents part of our work in the LT4eL project [1] regarding the grammar developed by the Romanian team in order to extract definitions from texts. Some qualitative res...
Adrian Iftene, Ionut Pistol, Diana Trandabat
NAACL
2010
13 years 5 months ago
Constraint-Driven Rank-Based Learning for Information Extraction
Most learning algorithms for undirected graphical models require complete inference over at least one instance before parameter updates can be made. SampleRank is a rankbased lear...
Sameer Singh, Limin Yao, Sebastian Riedel, Andrew ...
WWW
2006
ACM
14 years 8 months ago
Logical structure based semantic relationship extraction from semi-structured documents
Addressed in this paper is the issue of semantic relationship extraction from semi-structured documents. Many research efforts have been made so far on the semantic information ex...
Kuo Zhang, Gang Wu, Juan-Zi Li
SEMWEB
2009
Springer
14 years 2 months ago
Graph-Based Ontology Construction from Heterogenous Evidences
Abstract. Ontologies are tools for describing and structuring knowledge, with many applications in searching and analyzing complex knowledge bases. Since building them manually is ...
Christoph Böhm, Philip Groth, Ulf Leser