2217 search results - page 146 / 444 » Rank-aware Query Optimization |
275
Voted
ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Skyline queries are well suited when retrieving data according to multiple criteria. While most previous work has assumed a centralized setting this paper considers skyline queryi...
271
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
307
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STOC
2003
ACM
16 years 6 months ago
2003
ACM
In dynamic stabbing, we operate on a dynamic set of intervals. A stabbing query asks for an interval containing a given point. This basic problem encodes problems such as method l...
266
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VLDB
2004
ACM
16 years 6 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
161
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...