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QUESTA
2000
56views more  QUESTA 2000»
15 years 1 months ago
On the value function of a priority queue with an application to a controlled polling model
We give a closed-form expression for the discounted weighted queue length and switching costs of a two-class single-server queueing model under a preemptive priority rule. These e...
Ger Koole, Philippe Nain
DOOD
1995
Springer
102views Database» more  DOOD 1995»
15 years 5 months ago
Active Database Rules with Transaction-Conscious Stable-Model Semantics
Semantics represents a major problem area for active databases inasmuch as (i) there is l framework for defining the abstract semantics of active rules, and (ii) the various syst...
Carlo Zaniolo
KDD
1994
ACM
97views Data Mining» more  KDD 1994»
15 years 6 months ago
From Facts to Rules to Decisions: An Overview of the FRD-1 System
Oneof the central goals of knowledgediscovery in databases is to produceknowledgeuseful for decision making. However,the form in which knowledgecan be easily discovered is often d...
Ibrahim F. Imam, Ryszard S. Michalski
117
Voted
LPKR
1997
Springer
15 years 6 months ago
DATALOG with Nested Rules
Abstract. This paper presents an extension of disjunctive datalog (Datalog∨ ) by nested rules. Nested rules are (disjunctive) rules where elements of the head may be also rules. ...
Sergio Greco, Nicola Leone, Francesco Scarcello
CCS
2009
ACM
16 years 2 months ago
Semantic context aware security policy deployment
The successful deployment of a security policy is closely related not only to the complexity of the security requirements but also to the capabilities/functionalities of the secur...
Frédéric Cuppens, Joaquín Gar...