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75
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FSS
2006
85views more  FSS 2006»
15 years 24 days ago
The logic of tied implications, part 2: Syntax
An implication operator A is said to be tied if there is a binary operation T that ties A; that is, the identity A(a, A(b, z)) = A(T (a, b), z) holds for all a, b, z. We aim at th...
Nehad N. Morsi, Wafik Boulos Lotfallah, Moataz Sal...
JLP
2011
94views more  JLP 2011»
14 years 7 months ago
Permission to speak: A logic for access control and conformance
Formal languages for policy have been developed for access control and conformance checking. In this paper, we describe a formalism that combines features that have been developed...
Nikhil Dinesh, Aravind K. Joshi, Insup Lee, Oleg S...
102
Voted
VLDB
1990
ACM
116views Database» more  VLDB 1990»
15 years 4 months ago
A Probabilistic Framework for Vague Queries and Imprecise Information in Databases
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
Norbert Fuhr
71
Voted
IJCAI
2007
15 years 2 months ago
Extracting Chatbot Knowledge from Online Discussion Forums
This paper presents a novel approach for extracting high-quality <thread-title, reply> pairs as chat knowledge from online discussion forums so as to efficiently support the...
Jizhou Huang, Ming Zhou, Dan Yang
CORR
2010
Springer
141views Education» more  CORR 2010»
15 years 27 days ago
A database approach to information retrieval: The remarkable relationship between language models and region models
In this report, we unify two quite distinct approaches to information retrieval: region models and language models. Region models were developed for structured document retrieval....
Djoerd Hiemstra, Vojkan Mihajlovic