2217 search results - page 206 / 444 » Rank-aware Query Optimization |
176
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MIDDLEWARE
2005
Springer
15 years 12 months ago
2005
Springer
Unstructured peer-to-peer networks are frequently used as the overlay in various middleware toolkits for emerging applications, from content discovery to query result caching to di...
170
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PODS
1999
ACM
15 years 10 months ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
173
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CIA
1998
Springer
15 years 10 months ago
1998
Springer
In a simple cooperative MAS model where a collection of "querying agents" can send queries to a collection of "information agents", we formalize the problem of ...
178
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BDA
2000
15 years 7 months ago
2000
Due to the popularity of the XML data format, several query languages for XML have been proposed, specially devised to handle data whose structure is unknown, loose, or absent. Wh...
184
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DLOG
2007
15 years 8 months ago
2007
Abstract. There has been an increased interest in recent years to incorporate uncertainty in Description Logics (DLs), and a number of proposals have been put forward for modeling ...