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IJCAI
1997
13 years 8 months ago
Toward Structured Retrieval in Semi-structured Information Spaces
A semi-structured information space consists of multiple collections of textual documents containing fielded or tagged sections. The space can be highly heterogeneous, because eac...
Scott B. Huffman, Catherine Baudin
IJCAI
1997
13 years 8 months ago
Object Identification in a Bayesian Context
Object identification—the task of deciding that two observed objects are in fact one and the same object—is a fundamental requirement for any situated agent that reasons about...
Timothy Huang, Stuart J. Russell
IJCAI
1997
13 years 8 months ago
Mental Tracking: A Computational Model of Spatial Development
Psychological experiments on children's development of spatial knowledge suggest experience at self-locomotion with visual tracking as important factors. Yet, the mechanism u...
Kazuo Hiraki, Akio Sashima, Steven Phillips
IJCAI
1997
13 years 8 months ago
An Achievement Test for Knowledge-Based Systems: QUEM
This paper describes QUEM, a method for assessing the skill level of a knowledge-based system based on the quality of the solutions it produces. QUEM is demonstrated by using it t...
Caroline C. Hayes, Michael I. Parzen
IJCAI
1997
13 years 8 months ago
Is Nonparametric Learning Practical in Very High Dimensional Spaces?
Many of the challenges faced by the £eld of Computational Intelligence in building intelligent agents, involve determining mappings between numerous and varied sensor inputs and ...
Gregory Z. Grudic, Peter D. Lawrence
IJCAI
1997
13 years 8 months ago
Using Case-Based Reasoning in Interpreting Unsupervised Inductive Learning Results
The objective of this work is to interpret inductive results obtained by the unsupervised learning method OSHAM. We briefly introduce the learning process of OSHAM, that extracts ...
Tu Bao Ho, Chi Main Luong
IJCAI
1997
13 years 8 months ago
Model Minimization, Regression, and Propositional STRIPS Planning
Propositional STRIPS planning problems can be viewed as finite state automata (FSAs) represented in a factored form. Automaton minimization is a well-known technique for reducing ...
Robert Givan, Thomas Dean
IJCAI
1997
13 years 8 months ago
Reasoning about Concurrent Execution Prioritized Interrupts, and Exogenous Actions in the Situation Calculus
As an alternative to planning, an approach to highlevel agent control based on concurrent program execution is considered. A formal definition in the situation calculus of such a ...
Giuseppe De Giacomo, Yves Lespérance, Hecto...
IJCAI
1997
13 years 8 months ago
Noise-Tolerant Windowing
Windowing has been proposed as a procedure for efficient memory use in the ID3 decision tree learning algorithm. However, it was shown that it may often lead to a decrease in perf...
Johannes Fürnkranz
IJCAI
1997
13 years 8 months ago
Efficiently Executing Information-Gathering Plans
Themost costly aspect of gathering information over the Internet is that of transferring data over the networkto answer the user’s query. Wemaketwo contributions in this paperth...
Marc Friedman, Daniel S. Weld