8763 search results - page 197 / 1753 » Querying Database Knowledge |
139
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DBISP2P
2005
Springer
15 years 6 months ago
2005
Springer
Abstract. We study the problem of evaluating RDF queries over structured overlay networks. We consider the publish/subscribe scenario where nodes subscribe with long-standing queri...
136
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AAAI
2000
15 years 5 months ago
2000
A serious shortcoming of many Description Logic based knowledge representation systems is the inadequacy of their query languages. In this paper we present a novel technique that ...
210
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Publication
Tuning database system configuration parameters to proper values according to the expected query workload plays a very important role in determining DBMS performance. However, the ...
229
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ICDE
1999
IEEE
16 years 5 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
224
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
We study the problem of incrementally maintaining an XPath query on an XML database under updates. The updates we consider are node insertion, node deletion, and node relabeling. ...