6974 search results - page 396 / 1395 » Querying Semi-Structured Data |
264
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
170
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OTM
2007
Springer
16 years 29 days ago
2007
Springer
Abstract. This paper presents a comparison of performance of various triplestore technologies currently in either production release or beta test. Our comparison of triple-store te...
172
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HICSS
2006
IEEE
16 years 27 days ago
2006
IEEE
Networks of sensors arise naturally in many different fields, from industrial applications (e.g., monitoring of environmental parameters in a chemical plant) to surveillance appl...
186
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SIGIR
2003
ACM
16 years 2 days ago
2003
ACM
In a federated digital library system, it is too expensive to query every accessible library. Resource selection is the task to decide to which libraries a query should be routed. ...
185
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DMSN
2008
ACM
15 years 8 months ago
2008
ACM
With the ultimate goal of extending the data integration paradigm and query processing capabilities to ad hoc wireless networks, sensors, and stream systems, we consider how to su...