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» Modal Logics, Description Logics and Arithmetic Reasoning
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SLP
1994
77views more  SLP 1994»
14 years 11 months ago
Modal Event Calculus
We consider a hierarchy of modal event calculi to represent and reason about partially ordered events. These calculi are based on the model of time and change of Kowalski and Sergo...
Iliano Cervesato, Luca Chittaro, Angelo Montanari
PSSS
2003
14 years 11 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin
APWEB
2006
Springer
15 years 1 months ago
Providing an Uncertainty Reasoning Service for Semantic Web Application
In the semantic web context,the formal representation of knowledge is not resourceful while the informal one with uncertainty prevails. In order to provide an uncertainty reasoning...
Lei Li, Qiaoling Liu, Yunfeng Tao, Lei Zhang, Jian...
APAL
2010
88views more  APAL 2010»
14 years 10 months ago
Nonstandard arithmetic and recursive comprehension
First order reasoning about hyperintegers can prove things about sets of integers. In the author's paper Nonstandard Arithmetic and Reverse Mathematics, Bulletin of Symbolic L...
H. Jerome Keisler
CORR
2008
Springer
148views Education» more  CORR 2008»
14 years 8 months ago
Efficiently Simulating Higher-Order Arithmetic by a First-Order Theory Modulo
In deduction modulo, a theory is not represented by a set of axioms but by a congruence on propositions modulo which the inference rules of standard deductive systems--such as for ...
Guillaume Burel