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» Derivatives of Logical Formulas
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CSFW
2010
IEEE
15 years 8 months ago
Constraining Credential Usage in Logic-Based Access Control
—Authorization logics allow concise specification of flexible access-control policies, and are the basis for logic-based access-control systems. In such systems, resource owner...
Lujo Bauer, Limin Jia, Divya Sharma
CORR
2010
Springer
100views Education» more  CORR 2010»
15 years 4 months ago
Products of Weighted Logic Programs
Abstract. Weighted logic programming, a generalization of bottom-up logic programming, is a successful framework for specifying dynamic programming algorithms. In this setting, pro...
Shay B. Cohen, Robert J. Simmons, Noah A. Smith
SIGIR
2005
ACM
15 years 10 months ago
Gravitation-based model for information retrieval
This paper proposes GBM (gravitation-based model), a physical model for information retrieval inspired by Newton’s theory of gravitation. A mapping is built in this model from c...
Shuming Shi, Ji-Rong Wen, Qing Yu, Ruihua Song, We...
WOLLIC
2007
Springer
15 years 10 months ago
A Formal Calculus for Informal Equality with Binding
Abstract. In informal mathematical usage we often reason using languages with binding. We usually find ourselves placing capture-avoidance constraints on where variables can and c...
Murdoch Gabbay, Aad Mathijssen
CADE
2008
Springer
15 years 6 months ago
LogAnswer - A Deduction-Based Question Answering System (System Description)
LogAnswer is an open domain question answering system which employs an automated theorem prover to infer correct replies to natural language questions. For this purpose LogAnswer o...
Ulrich Furbach, Ingo Glöckner, Hermann Helbig...