86 search results - page 13 / 18 » Worst Case Optimal Union-Intersection Expression Evaluation |
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
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MICRO
2007
IEEE
15 years 4 months ago
2007
IEEE
Program runtime characteristics exhibit significant variation. As microprocessor architectures become more complex, their efficiency depends on the capability of adapting with wor...
ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
Abstract--We present and analyze two different power allocation strategies for considerably improving the average bit error rate (BER) performance of wireless multihop systems with...
INFFUS
2006
14 years 9 months ago
2006
The bipolar view in preference modeling distinguishes between negative and positive preferences. Negative preferences correspond to what is rejected, considered unacceptable, whil...
GECCO
2003
Springer
15 years 2 months ago
2003
Springer
Abstract. Our ability to simultaneously measure the expression levels of thousands of genes in biological samples is providing important new opportunities for improving the diagnos...