5230 search results - page 150 / 1046 » Dynamic Optimality -- Almost |
130
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SIGECOM
2005
ACM
15 years 9 months ago
2005
ACM
In this paper we consider a common form of the English auction that is widely used in online Internet auctions. This discrete bid auction requires that the bidders may only submit...
132
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EDBT
2010
ACM
15 years 9 months ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
229
Voted
SYRCODIS
2008
15 years 5 months ago
2008
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
178
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
118
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DAGSTUHL
2004
15 years 5 months ago
2004
We study the optimal approximation of the solution of an operator equation A(u) = f by four types of mappings: a) linear mappings of rank n; b) n-term approximation with respect t...