Sciweavers

7868 search results - page 6 / 1574
» Learning by Answer Sets
Sort
View
TREC
2000
15 years 1 months ago
The PISAB Question Answering System
The PISAB Question Answering system is based on a combination of Information Extraction and Information Retrieval techniques. Knowledge extracted from documents is modeled as a se...
Giuseppe Attardi, Cristian Burrini
EDM
2009
116views Data Mining» more  EDM 2009»
14 years 9 months ago
Determining the Significance of Item Order In Randomized Problem Sets
Researchers who make tutoring systems would like to know which sequences of educational content lead to the most effective learning by their students. The majority of data collecte...
Zachary A. Pardos, Neil T. Heffernan
AAAI
2010
14 years 12 months ago
First-Order Indefinability of Answer Set Programs on Finite Structures
An answer set program with variables is first-order definable on finite structures if the set of its finite answer sets can be captured by a first-order sentence, otherwise this p...
Yin Chen, Yan Zhang, Yi Zhou
FOIKS
2008
Springer
15 years 1 months ago
Alternative Characterizations for Program Equivalence under Answer-Set Semantics Based on Unfounded Sets
Logic programs under answer-set semantics constitute an important tool for declarative problem solving. In recent years, two research issues received growing attention. On the one ...
Martin Gebser, Torsten Schaub, Hans Tompits, Stefa...
LPNMR
2009
Springer
15 years 6 months ago
Translating Preferred Answer Set Programs to Propositional Logic
Abstract. We consider the problem of whether a given preferred answer set program can be reduced to a propositional formula. Research on this topic is of both theoretical and pract...
Vernon Asuncion, Yan Zhang