3688 search results - page 253 / 738 » Requirements of Phylogenetic Databases |
262
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Stream-processing systems are designed to support an emerging class of applications that require sophisticated and timely processing of high-volume data streams, often originating...
273
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
276
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
173
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
We consider the problem of maintaining approximate counts and quantiles over fixed- and variablesize sliding windows in limited space. For quantiles, we present deterministic algo...
145
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
To carry out work assignments, small groups distributed within a larger enterprise often need to share documents among themselves while shielding those documents from others'...