1160 search results - page 140 / 232 » Query Processing and Optimization for Pictorial Query Trees |
160
Voted
SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
103
Voted
FOCS
2009
IEEE
15 years 2 months ago
2009
IEEE
Given a set D = {d1, d2, ..., dD} of D strings of total length n, our task is to report the "most relevant" strings for a given query pattern P. This involves somewhat mo...
164
Voted
ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
91
Voted
WWW
2005
ACM
15 years 11 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
95
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...