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159
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ITCC
2005
IEEE
16 years 2 days ago
2005
IEEE
This paper focuses on the development of a maintainable information filtering system. The simple and efficient solution to this problem is to block the Web sites by URL, including...
196
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
In this work, we present an extension of CORE [2], a tool for Collaborative Ontology Reuse and Evaluation. The system receives an informal description of a specific semantic domai...
183
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
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...
185
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VLDB
2004
ACM
15 years 12 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
210
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ACMICEC
2006
ACM
16 years 14 days ago
2006
ACM
This paper formalizes the semantics of trust and studies the transitivity of trust. On the Web, people and software agents have to interact with “strangers”. This makes trust ...