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DLOG
2007
14 years 11 months ago
Modal Logic Applied to Query Answering and the Case for Variable Modalities
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...
Evgeny Zolin
CICLING
2008
Springer
14 years 11 months ago
Improving Question Answering by Combining Multiple Systems Via Answer Validation
Nowadays there exist several kinds of question answering systems. According to recent evaluation results, most of these systems are complementary (i.e., each one is better than the...
Alberto Téllez-Valero, Manuel Montes-y-G&oa...
DALT
2006
Springer
15 years 1 months ago
A Dynamic Logic Programming Based System for Agents with Declarative Goals
Goals are used to define the behavior of (pro-active) agents. It is our view that the goals of an agent can be seen as a knowledge base of the situations that it wants to achieve. ...
Vivek Nigam, João Leite
AWIC
2003
Springer
15 years 2 months ago
From Search Engines to Question-Answering Systems - The Need for New Tools
Abstract Search engines, with Google at the top, have many remarkable capabilities. But what is not among them is the deduction capability—the capability to synthesize an answer ...
Lotfi A. Zadeh
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AIEDAM
1999
79views more  AIEDAM 1999»
14 years 9 months ago
An algorithmic approach to knowledge evolution
Intelligent agents must update their knowledge base as they acquire new information about their environment. The modal logic S5n has been designed for representing knowledge bases...
Alessio Lomuscio, Mark Ryan