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IJCAI
2003
15 years 7 months ago
Corpus-Based Knowledge Representation
A corpus-based knowledge representation system consists of a large collection of disparate knowledge fragments or schemas, and a rich set of statistics computed over the corpus. W...
Alon Y. Halevy, Jayant Madhavan
IJCAI
2003
15 years 7 months ago
Tractable Symmetry Breaking for CSPs with Interchangeable Values
Symmetry breaking in CSPs has attracted consid­ erable attention in recent years. Various general schemes have been proposed to eliminate sym­ metries during search. In general,...
Pascal Van Hentenryck, Pierre Flener, Justin Pears...
IJCAI
2003
15 years 7 months ago
A Revised Algorithm for Latent Semantic Analysis
The intelligent tutoring system AutoTutor uses latent semantic analysis to evaluate student answers to the tutor's questions. By comparing a student's answer to a set of...
Xiangen Hu, Zhiqiang Cai, Max M. Louwerse, Andrew ...
IJCAI
2003
15 years 7 months ago
Evaluating Significance of Inconsistencies
Inconsistencies frequently occur in knowledge about the real-world. Some of these inconsistencies may be more significant than others, and some knowledgebases (sets of formulae) m...
Anthony Hunter
IJCAI
2003
15 years 7 months ago
Automated Generation of Understandable Contingency Plans
Markov decision processes (MDPs) and contingency planning (CP) are two widely used approaches to planning under uncertainty. MDPs are attractive because the model is extremely gen...
Max Horstmann, Shlomo Zilberstein