2514 search results - page 27 / 503 » On the Computation of Approximations of Database Queries |
158
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
261
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...