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CIKM
2008
Springer

145views Information Technology» more CIKM 2008»

14 years 11 months ago

Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...

Diego Calvanese, Evgeny Kharlamov, Werner Nutt, Ca...

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56

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WEBI
2007
Springer

106views Internet Technology» more WEBI 2007»

Document-Centric Query Answering for the Semantic Web

15 years 3 months ago

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In this paper, we propose document-centric query answering, a novel form of query answering for the Semantic Web. We discuss how we have built a knowledge base system to support t...

Yuanbo Guo, Jeff Heflin

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81

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DLOG
2004

159views Automated Reasoning» more DLOG 2004»

Semantics Driven Support for Query Formulation

14 years 10 months ago

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In this paper we describe the principles of the design and development of an intelligent query interface, done in the context of the SEWASIE (SEmantic Webs and AgentS in Integrate...

Paolo Dongilli, Enrico Franconi, Sergio Tessaris

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70

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DLOG
2006

117views Automated Reasoning» more DLOG 2006»

Experiences with Load Balancing and Caching for Semantic Web Applications

14 years 10 months ago

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In our case study we investigate a server for answering OWLQL queries with distinguished variables only (henceforth called OWLQL). This server acts as a proxy that delegates queri...

Alissa Kaplunova, Atila Kaya, Ralf Möller

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89

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ER
2009
Springer

106views Database» more ER 2009»

Query-By-Keywords (QBK): Query Formulation Using Semantics and Feedback

15 years 20 days ago

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Aditya Telang, Sharma Chakravarthy, Chengkai Li

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