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» Answering Queries Using Cooperative Semantic Caching
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FOIS
2008
14 years 14 days ago
An Ontology for Grounding Vague Geographic Terms
Many geographic terms, such as "river" and "lake", are vague, with no clear boundaries of application. In particular, the spatial extent of such features is oft...
Brandon Bennett, David Mallenby, Allan Third
OTM
2007
Springer
14 years 5 months ago
Scalability of OWL Reasoning: Role condensates
In the last years, there has been an increasing interest in the performance of reasoning on the Semantic Web in presence of large ABoxes. Traditional reasoners make heavily use of ...
Sebastian Wandelt, Ralf Möller
EDBT
2009
ACM
208views Database» more  EDBT 2009»
14 years 5 months ago
Flexible and efficient querying and ranking on hyperlinked data sources
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
ESWS
2008
Springer
14 years 24 days ago
Querying Distributed RDF Data Sources with SPARQL
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
Bastian Quilitz, Ulf Leser
JAIR
2011
138views more  JAIR 2011»
13 years 6 months ago
Identifying Aspects for Web-Search Queries
Many web-search queries serve as the beginning of an exploration of an unknown space of information, rather than looking for a specific web page. To answer such queries effectiv...
Fei Wu, Jayant Madhavan, Alon Y. Halevy