Title
Specificity by default Specificity by default
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
Subject
Computer. Automation
Source (journal)
SYMBOLIC AND QUANTITATIVE APPROACHES TO REASONING AND UNCERTAINTY
Source (book)
European Conference on Symbolic and Quantitative Approaches to Reasoning, and Uncertainty (ECSQARU 95), JUL 03-05, 1995, UNIV FRIBOURG, FRIBOURG, SWITZERLAND
Volume/pages
946(1995) , p. 207-216
ISBN
3-540-60112-0
ISI
A1995BF02H00024
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
The concept of prioritization, either implicitly or explicitly, has been generally recognized as a tool to eliminate spurious extensions. Implicit priority information can be used when specificity is the preference criterion by means of which extensions are selected. Sometimes, it is necessary to take other preference criteria into account, and explicit means of expressing priorities are required. Here we present an argument based approach to nonmonotonic reasoning, in which implicit and explicit priorities are combined. The idea is that arguments are ranked according to a preference relation based on implicit specificity information. Additional explicit priorities can be supplied by the user, so that specificity can be considered as the preference criterion by default.
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