6654 search results - page 388 / 1331 » Querying Faceted Databases |
183
Voted
PODS
2004
ACM
16 years 7 months ago
2004
ACM
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
186
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EDBT
2004
ACM
16 years 7 days ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
200
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
291
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
171
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IDEAS
2000
IEEE
15 years 11 months ago
2000
IEEE
We present SECONDO, a new generic environment supporting the implementation of database systems for a wide range of data models and query languages. On the one hand, this framewor...