360 search results - page 57 / 72 » Constraint Checking with Partial Information |
WWW
2009
ACM
14 years 9 months 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...
CORR
2008
Springer
13 years 8 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
14 years 2 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
13 years 10 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
13 years 8 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 ...