185 search results - page 16 / 37 » Precise complexity analysis for efficient datalog queries |
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
107
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SSDBM
1999
IEEE
15 years 1 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
The unarguably fast, and continuous, growth of the volume of indexed (and indexable) documents on the Web poses a great challenge for search engines. This is true regarding not on...
153
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
102
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PODS
2006
ACM
15 years 9 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...