360 search results - page 57 / 72 » Constraint Checking with Partial Information |
113
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WWW
2009
ACM
16 years 14 days ago
2009
ACM
Motivated by the emergence of auction-based marketplaces for display ads such as the Right Media Exchange, we study the design of a bidding agent that implements a display adverti...
104
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CORR
2008
Springer
14 years 12 months ago
2008
Springer
We consider a two-hop wireless network where a transmitter communicates with a receiver via M relays with an amplify-and-forward (AF) protocol. Recent works have shown that sophis...
CCS
2007
ACM
15 years 6 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
ACL
2000
15 years 1 months ago
2000
The definitions of the basic concepts, rules, and constraints of centering theory involve underspecified notions such as `previous utterance', `realization', and `rankin...
BMCBI
2008
14 years 12 months ago
2008
Background: Various measures of semantic similarity of terms in bio-ontologies such as the Gene Ontology (GO) have been used to compare gene products. Such measures of similarity ...