Computer Science – Artificial Intelligence
Scientific paper
2007-03-26
Proc. of 10th AGILE International Conference on Geographic Information Science, AGILE 2007. (07/05/2007) 1-14
Computer Science
Artificial Intelligence
14 pages
Scientific paper
Using qualitative reasoning with geographic information, contrarily, for instance, with robotics, looks not only fastidious (i.e.: encoding knowledge Propositional Logics PL), but appears to be computational complex, and not tractable at all, most of the time. However, knowledge fusion or revision, is a common operation performed when users merge several different data sets in a unique decision making process, without much support. Introducing logics would be a great improvement, and we propose in this paper, means for deciding -a priori- if one application can benefit from a complete revision, under only the assumption of a conjecture that we name the "containment conjecture", which limits the size of the minimal conflicts to revise. We demonstrate that this conjecture brings us the interesting computational property of performing a not-provable but global, revision, made of many local revisions, at a tractable size. We illustrate this approach on an application.
Doukari Omar
Jeansoulin Robert
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