464 search results - page 22 / 93 » Authorisation Using Attributes from Multiple Authorities |
PVLDB
2008
14 years 9 months ago
2008
The number of potentially-related data resources available for querying -- databases, data warehouses, virtual integrated schemas -continues to grow rapidly. Perhaps no area has s...
ACMDIS
2006
ACM
15 years 3 months ago
2006
ACM
Human-Computer Interaction (HCI) often focuses on how designers can develop systems that convey a single, specific, clear interpretation of what they are for and how they should b...
MOBIMEDIA
2007
14 years 11 months ago
2007
In this paper we simulate an authorization and delegation system using knowledge based technology. This proposal is part of a visual tool that is intended to be an implementation ...
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BTW
2009
Springer
15 years 2 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
TurboFold, an iterative algorithm for estimating the common secondary structures of multiple RNA homologs, is presented. The algorithm is motivated by and has structure and attrib...