6740 search results - page 349 / 1348 » Querying Databases with Taxonomies |
199
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
135
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FUIN
2007
15 years 6 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
325
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Modern database systems increasingly make use of networked storage. This storage can be in the form of SAN's or in the form of shared-nothing nodes in a cluster. One type of a...
261
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
The BANKS system supports keyword search on databases storing structured/semi-structured data. Answers to keyword queries are ranked, and as in IR systems, the top answers may not...
256
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...