685 search results - page 8 / 137 » Closure Operators for Order Structures |
97
Voted
ICDE
2007
IEEE
15 years 6 months ago
2007
IEEE
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
COLING
1992
15 years 25 days ago
1992
Abstract -- In this paper, we present a new mathematical framework in which disjunctive feature structures are defined as directed acyclic hypergraphs. Disjunction is defined in th...
PLDI
1995
ACM
15 years 3 months ago
1995
ACM
d Abstract) Alexander Aiken Manuel F¨ahndrich Raph Levieny Computer Science Division University of California, Berkeleyz Static memory managementreplaces runtime garbage collecti...
JSYML
2002
14 years 11 months ago
2002
A propositional system of modal logic is second-order if it contains quantifiers p and p, which, in the standard interpretation, are construed as ranging over sets of possible worl...
CCS
2007
ACM
15 years 5 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 ...