293 search results - page 39 / 59 » Efficiently Querying Relational Databases Using OWL and SWRL |
204
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
We present the design of Scoop, a system for indexing and querying stored data in sensor networks. Scoop works by collecting statistics about the rate of queries and distribution ...
197
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
187
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GIS
2007
ACM
16 years 23 days ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
101
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DASFAA
2006
IEEE
15 years 3 months ago
2006
IEEE
XML is a de-facto standard for exchanging and presenting information on the Web. However, XML data is also recognized as verbose since it heavily inflates the size of the data due ...
175
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
We study the problem of answering XPATH queries using multiple materialized views. Despite the efforts on answering queries using single materialized view, answering queries using ...