1969 search results - page 243 / 394 » Financial Theory 1 |
STOC
2002
ACM
14 years 10 months ago
2002
ACM
We give polynomial-time quantum algorithms for three problems from computational algebraic number theory. The first is Pell's equation. Given a positive nonsquare integer d, ...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
We identify proximity breach as a privacy threat specific to numerical sensitive attributes in anonymized data publication. Such breach occurs when an adversary concludes with hig...
PODS
2003
ACM
14 years 10 months ago
2003
ACM
Watermarking allows robust and unobtrusive insertion of information in a digital document. Very recently, techniques have been proposed for watermarking relational databases or XM...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...