Scripts (artificial intelligence)
- Scripts (artificial intelligence)
Scripts were developed in the early AI work by Roger Schank, Robert P. Abelson and their research group, and are a method of representing procedural knowledge. They are very much like frames, except the values that fill the slots must be ordered.
The classic example of a script involves the typical sequence of events that occur when a person dines in a restaurant: "finding a seat, reading the menu, ordering drinks from the waitstaff..." In the script form, these would be decomposed into conceptual transitions, such as MTRANS and PTRANS, which refer to "mental transitions [of information] " and "physical transitions [of things] ".
Schank, Abelson and their colleagues tackled some of the most difficult problems in artificial intelligence (i.e., story understanding), but ultimately their line of work ended without tangible success. This type of work received little attention after the 1980s, but it is very influential in later knowledge representation techniques, such as case-based reasoning.
Scripts can be inflexible. To deal with inflexibility, smaller modules called memory organization packets (MOP) can be combined in a way that is appropriate for the situation.
References
*Schank and Abelson " [http://www-static.cc.gatech.edu/~jimmyd/summaries/schank1977.html Scripts, Plans, Goals and Understanding] ", Erlbaum, 1977.
*Brief overview of the [http://tip.psychology.org/schank.html Script theory]
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