34170 search results - page 263 / 6834 » Optimization |
125
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SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
134
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
172
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DCC
2008
IEEE
16 years 4 months ago
2008
IEEE
Let Fq be a finite field and consider an extension Fqn where an optimal normal element exists. Using the trace of an optimal normal element in Fqn , we provide low complexity norma...
127
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DCC
2002
IEEE
16 years 4 months ago
2002
IEEE
We consider the properties of optimal xed-rate and entropy-constrained scalar quantizers for nite alphabet sources. In particular, w econsider conditions under which the optimal s...
131
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ICDCS
2009
IEEE
16 years 1 months ago
2009
IEEE
In WiFi-based content distribution community infrastructure (CDCI), file servers are deployed in diverse locations around cities, caching popular files interesting to a communit...