September 26th, 2002

Steam Escaping!

(no subject)

This is the start of a simple glossary of short definitions for AI terminology.
  • ai: A three-toed sloth of genus Bradypus. This forest-dwelling animal eats the leaves of the trumpet-tree and sounds a high-pitched squeal when disturbed. (Based on the Random House dictionary definition.)
  • Admissibility: An admissible search algorithm is one that is guaranteed to find an optimal path from the start node to a goal node, if one exists. In A* search, an admissible heuristic is one that never overestimates the distance remaining from the current node to the goal.
  • Case-based Reasoning: Technique whereby "cases" similar to the current problem are retrieved and their "solutions" modified to work on the current problem.
  • Data Mining: Also known as Knowledge Discovery in Databases (KDD) was been defined as "The nontrivial extraction of implicit, previously unknown, and potentially useful information from data" in Frawley and Piatetsky-Shapiro's overview. It uses machine learning, statistical and visualization techniques to discover and present knowledge in a form which is easily comprehensible to humans.
  • Fuzzy Logic: In Fuzzy Logic, truth values are real values in the closed interval [0..1]. The definitions of the Boolean operators are extended to fit this continuous domain. By avoiding discrete truth-values, Fuzzy Logic avoids some of the problems inherent in either-or judgments and yields natural interpretations of utterances like "very hot". Fuzzy Logic has applications in control theory.
  • Nonlinear Planning: A planning paradigm which does not enforce a total (linear) ordering on the components of a plan.
  • Strong AI: Claim that computers can be made to actually think, just like human beings do. More precisely, the claim that there exists a class of computer programs, such that any implementation of such a program is really thinking.
  • Validation: The process of confirming that one's model uses measureable inputs and produces output that can be used to make decisions about the real world.
  • Verification: The process of confirming that an implemented model works as intended.
  • Weak AI: Claim that computers are important tools in the modeling and emulation of human activity.
Steam Escaping!

heh heh heh

Zen and the art of arrested development

Lui Po one day asked Wu Pan, "Why is it that the sun does not crash into the moon?" Wu Pan answered, "It is because the unit for infrared remote release attaches to the front release ports of the cast aluminium alloy shell with permanently attached motor housing in lightweight magnesium around the tripod socket threads." Lui Po bowed before Wu Pan.
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