405 search results - page 67 / 81 » The True Cost of Accurate Time |
124
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SIGMOD
2004
ACM
15 years 10 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...
CGO
2007
IEEE
15 years 4 months ago
2007
IEEE
Modern memory systems play a critical role in the performance of applications, but a detailed understanding of the application behavior in the memory system is not trivial to atta...
BROADNETS
2005
IEEE
15 years 3 months ago
2005
IEEE
— In recent years, UWB has received much attention as a suitable Physical Layer (PHY) for Wireless Personal Area Networks (WPANS). UWB allows for low cost, low power, high bandwi...
ISRR
2005
Springer
15 years 3 months ago
2005
Springer
NASA’s Mars Exploration Rovers (MER) have collected a great diversity of geological science results, thanks in large part to their surface mobility capabilities. The six wheel r...
104
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PG
1999
IEEE
15 years 2 months ago
1999
IEEE
Using object clusters for hierarchical radiosity greatly improves the efficiency and thus usability of radiosity computations. By eliminating the quadratic starting phase very lar...