464 search results - page 21 / 93 » Authorisation Using Attributes from Multiple Authorities |
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
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PODS
2005
ACM
15 years 9 months ago
2005
ACM
In order to protect individuals' privacy, the technique of kanonymization has been proposed to de-associate sensitive attributes from the corresponding identifiers. In this p...
BMCBI
2004
14 years 9 months ago
2004
Background: In a previous paper, we introduced MUSCLE, a new program for creating multiple alignments of protein sequences, giving a brief summary of the algorithm and showing MUS...
SIGMOD
2001
ACM
15 years 9 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
CHI
2008
ACM
15 years 10 months ago
2008
ACM
Based on ethnographically-inspired research in Japan, we report on people's experiences using digital money payment systems that use Sony's FeliCa near-field communicati...