On the knowledge requirements of tasks

In order to successfully perform a task, a situated system requires some information about its domain. If we can understand what information the system requires, we may be able to equip it with more suitable sensors or make better use of the information available to it. These considerations have mot...

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Bibliographic Details
Published in:Artificial intelligence 1998, Vol.98 (1), p.317-349
Main Authors: Brafman, Ronen I., Halpern, Joseph Y., Shoham, Yoav
Format: Article
Language:English
Subjects:
(Skeletal) knowledge-based programs
Artificial intelligence
Configuration space
Knowledge
Knowledge capability
Knowledge complexity
Manipulation tasks
Robots
Sensor design
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Summary:In order to successfully perform a task, a situated system requires some information about its domain. If we can understand what information the system requires, we may be able to equip it with more suitable sensors or make better use of the information available to it. These considerations have motivated roboticists to examine the issue of sensor design, and in particular, the minimal information required to perform a task. We show here that reasoning in terms of what the robot knows and needs to know to perform a task is a useful approach for analyzing these issues. We extend the formal framework for reasoning about knowledge, already used in AI and distributed computing, by developing a set of basic concepts and tools for modeling and analyzing the knowledge requirements of tasks. We investigate properties of the resulting framework, and show how it can be applied to robotics tasks.
ISSN:0004-3702
1872-7921
DOI:10.1016/S0004-3702(97)00061-1