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» Ontology Learning: Where are we
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EACL
2006
ACL Anthology
13 years 11 months ago
Weakly Supervised Approaches for Ontology Population
We present a weakly supervised approach to automatic Ontology Population from text and compare it with other two unsupervised approaches. In our experiments we populate a part of ...
Hristo Tanev, Bernardo Magnini
CIKM
2009
Springer
14 years 1 months ago
Semantic queries in databases: problems and challenges
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
Lipyeow Lim, Haixun Wang, Min Wang
ESWS
2008
Springer
13 years 11 months ago
Semantic Browsing with PowerMagpie
PowerMagpie is a tool that brings semantic interpretation to classical web pages by dynamically--i.e. during browsing--selecting and making use of a wide range of online available ...
Laurian Gridinoc, Marta Sabou, Mathieu d'Aquin, Ma...
SEMWEB
2005
Springer
14 years 3 months ago
Modeling Degrees of Conceptual Overlap in Semantic Web Ontologies
Information retrieval systems have to deal with uncertain knowledge and query results should reflect this uncertainty in some manner. However, Semantic Web ontologies are based on...
Markus Holi, Eero Hyvönen
CORR
2011
Springer
144views Education» more  CORR 2011»
13 years 1 months ago
Rewriting Ontological Queries into Small Nonrecursive Datalog Programs
Abstract. We consider the setting of ontological database access, where an Abox is given in form of a relational database D and where a Boolean conjunctive query q has to be evalua...
Georg Gottlob, Thomas Schwentick