Sciweavers

2062 search results - page 87 / 413
» Derivatives of Logical Formulas
Sort
View
163
Voted
EPIA
2005
Springer
15 years 9 months ago
Logical Implementation of Uncertain Agents
Abstract. We consider the representation and execution of agents specified using temporal logics. Previous work in this area has provided a basis for the direct execution of agent...
Nivea de Carvalho Ferreira, Michael Fisher, Wiebe ...
124
Voted
SIGIR
1993
ACM
15 years 7 months ago
A Model of Information Retrieval Based on a Terminological Logic
According to the logical model of Information Retrieval (IR), the task of IR can be described as the extraction, from a given document base, of those documents d that, given a que...
Carlo Meghini, Fabrizio Sebastiani, Umberto Stracc...
140
Voted
LPNMR
2005
Springer
15 years 9 months ago
Answer Sets for Propositional Theories
Equilibrium logic, introduced by David Pearce, extends the concept of an answer set from logic programs to arbitrary sets of formulas. Logic programs correspond to the special case...
Paolo Ferraris
112
Voted
JIIS
2006
93views more  JIIS 2006»
15 years 3 months ago
Measuring inconsistency in knowledgebases
It is well-known that knowledgebases may contain inconsistencies. We provide a measure to quantify the inconsistency of a knowledgebase, thereby allowing for the comparison of the...
John Grant, Anthony Hunter
253
Voted
PODS
2004
ACM
158views Database» more  PODS 2004»
16 years 3 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...