2686 search results - page 509 / 538 » Testing metric properties |
RECOMB
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. One of the simplest evolutionary models has molecular sequences evolving from a common ancestor down a bifurcating phylogenetic tree, experiencing point-mutations along t...
STOC
2007
ACM
15 years 10 months ago
2007
ACM
In 1998, Impagliazzo and Wigderson [IW98] proved a hardness vs. randomness tradeoff for BPP in the uniform setting, which was subsequently extended to give optimal tradeoffs for t...
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
EDBT
2004
ACM
15 years 10 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
PERCOM
2006
ACM
15 years 9 months ago
2006
ACM
Consider a placement of heterogeneous, wireless sensors that can vary the transmission range by increasing or decreasing power. The problem of determining an optimal assignment of ...