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IJCAI
2003
14 years 1 months ago
A Planning Algorithm for Predictive State Representations
We address the problem of optimally controlling stochastic environments that are partially observable. The standard method for tackling such problems is to define and solve a Part...
Masoumeh T. Izadi, Doina Precup
IJCAI
2003
14 years 1 months ago
Use of Off-line Dynamic Programming for Efficient Image Interpretation
An interpretation system finds the likely mappings from portions of an image to real-world objects. An interpretation policy specifies when to apply which imaging operator, to whi...
Ramana Isukapalli, Russell Greiner
IJCAI
2003
14 years 1 months ago
Expressive Power of Tree and String Based Wrappers
There exist two types of wrappers: the string based wrapper such as the LR wrapper, and the tree based wrapper. A tree based wrapper designates extraction regions by nodes on the ...
Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
IJCAI
2003
14 years 1 months ago
Integrating Multiple Internet Directories by Instance-based Learning
Ryutaro Ichise, Hideaki Takeda, Shinichi Honiden
IJCAI
2003
14 years 1 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
IJCAI
2003
14 years 1 months ago
Decidability of SHIQ with Complex Role Inclusion Axioms
Motivated by medical terminology applications, we investigate the decidability of the well known expressive DL, SHIQ, extended with role inclusion axioms (RIAs) of the form R ◦ ...
Ian Horrocks, Ulrike Sattler
IJCAI
2003
14 years 1 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
14 years 1 months ago
Comparing Best-First Search and Dynamic Programming for Optimal Multiple Sequence Alignment
Sequence alignment is an important problem in computational biology. We compare two different approaches to the problem of optimally aligning two or more character strings: bounde...
Heath Hohwald, Ignacio Thayer, Richard E. Korf
IJCAI
2003
14 years 1 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 ...