964 search results - page 30 / 193 » Efficiently Ordering Query Plans for Data Integration |
135
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily queried aside from exact matches. We present an or...
157
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BTW
2007
Springer
15 years 10 months ago
2007
Springer
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
145
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AIPS
2008
15 years 6 months ago
2008
In the planning-as-SAT paradigm there have been numerous recent developments towards improving the speed and scalability of planning at the cost of finding a step-optimal parallel...
159
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APWEB
2010
Springer
15 years 7 months ago
2010
Springer
This paper investigates the problem of processing multiple continuous queries over RFID streaming data in RFID middleware. RFID middleware collects and filters RFID sensing data wh...
202
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PDIS
1996
IEEE
15 years 8 months ago
1996
IEEE
Users today are struggling to integrate a broad range of information sources providing di erent levels of query capabilities. Currently, data sources with di erent and limitedcapa...