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» The Limits of Querying Ontologies
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NLDB
2007
Springer
14 years 2 months ago
Cross-Lingual Information Retrieval by Feature Vectors
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
Jeanine Lilleng, Stein L. Tomassen
CLEF
2005
Springer
14 years 2 months ago
Using the WordNet Ontology in the GeoCLEF Geographical Information Retrieval Task
This paper describes how we managed to use the WordNet ontology for the GeoCLEF 2005 English monolingual task. Both a query expansion method, based on the expansion of geographical...
Davide Buscaldi, Paolo Rosso, Emilio Sanchis Arnal
WWW
2007
ACM
14 years 9 months ago
Acquiring ontological knowledge from query logs
We present a method for acquiring ontological knowledge using search query logs. We first use query logs to identify important contexts associated with terms belonging to a semant...
Satoshi Sekine, Hisami Suzuki
KR
2010
Springer
14 years 1 months ago
Query and Predicate Emptiness in Description Logics
Ontologies can be used to provide an enriched vocabulary for the formulation of queries over instance data. We identify query emptiness and predicate emptiness as two central reas...
Franz Baader, Meghyn Bienvenu, Carsten Lutz, Frank...
BMCBI
2006
85views more  BMCBI 2006»
13 years 8 months ago
Quality control for terms and definitions in ontologies and taxonomies
Background: Ontologies and taxonomies are among the most important computational resources for molecular biology and bioinformatics. A series of recent papers has shown that the G...
Jacob Köhler, Katherine Munn, Alexander R&uum...