651 search results - page 118 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
219
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CIDR
2009
15 years 7 months ago
2009
High-volume, high-speed data streams may overwhelm the capabilities of stream processing systems; techniques such as data prioritization, avoidance of unnecessary processing and o...
165
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
Term-weighting functions derived from various models of retrieval aim to model human notions of relevance more accurately. However, there is a lack of analysis of the sources of e...
144
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
159
Voted
VLDB
1987
ACM
15 years 10 months ago
1987
ACM
: A buffer is a main-memory area used to reduce accessto disks. The buffer holds pages from secondary storage files. A processrequesting a page causesa fault if the pageis not in t...
278
Voted
ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...