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EPIA'03 - 11th Portuguese Conference on Artificial Intelligence
MAAII -- Multi-Agents and AI for the Internet
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Session: December 6, 17:15-18:15, Room B |
Title: |
An Evolvable Rule-Based E-mail Agent |
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J. J. Alferes, A. Brogi, J. A. Leite, and L. M. Pereira |
Abstract: |
The Semantic Web is a ``living organism', which combines
autonomously evolving data sources/knowledge repositories. This
dynamic character of the Semantic Web requires (declarative)
languages and mechanisms for specifying its maintenance and
evolution. For example, for changing the behaviour of a data
source, so that a new rule becomes into effect, one should not be
concerned with the complex, interrelated, and dynamically obtained
knowledge, and should have a way to simply specify what knowledge
is to be changed. This requires the existence of a language for
exacting such changes (or updates), which takes in consideration
the addition/deletion and changes of rules, thereby automating the
task of dealing with inconsistencies arising from those updates.
To address this issue, we resort to recent developments in the
field of Logic Programming, and show how the framework of EVOLP
can be put to work to model such reactive and updateable rule
bases, bringing an important added value to RuleML.
We make our case by exhibiting a detailed application example of
how EVOLP can be used to express updateable RuleML rule bases,
employing it to define an evolving e-mail Personal Assistant
Agent. |
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