686 search results - page 71 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
194
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ER
2008
Springer
15 years 8 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
157
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ICDT
2007
ACM
16 years 14 days ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
185
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MDM
2010
Springer
15 years 11 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
189
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
Providing scalable database services is an essential requirement for extending many existing applications of the Cloud platform. Due to the diversity of applications, database ser...
146
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
Abstract. This paper presents Oyster, a Peer-to-Peer system for exchanging ontology metadata among communities in the Semantic Web. We describe how Oyster assists researchers in re...