288 search results - page 26 / 58 » Estimating the number of frequent itemsets in a large databa... |
206
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
163
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BMCBI
2008
15 years 6 months ago
2008
Background: Sequence searches are routinely employed to detect and annotate related proteins. However, a rapid growth of databases necessitates a frequent repetition of sequence s...
168
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
179
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SSDBM
2010
IEEE
15 years 4 months ago
2010
IEEE
Currently, a large amount of data can be best represented as graphs, e.g., social networks, protein interaction networks, etc. The analysis of these networks is an urgent research ...
159
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...