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Basics / July 15, 2021

Procedural Knowledge Representations

Declarative or Procedural? Declarative knowledge representation:ContentsDeclarative or Procedural?Representing How to Use Knowledge Static representation — knowledge about objects, events etc. and their relationships and states given. Requires a program to know what to do with knowledge and how to do it. Procedural representation: control information necessary to use the knowledge is embedded in the knowledge itself. e.g. how to […]

By · July 15, 2021 · 1 min read

Declarative or Procedural?

Declarative knowledge representation:

Contents
  • Static representation — knowledge about objects, events etc. and their relationships and states given.
  • Requires a program to know what to do with knowledge and how to do it.

Procedural representation:

  • control information necessary to use the knowledge is embedded in the knowledge itself. e.g. how to find relevant facts, make inferences etc.
  • Requires an interpreter to follow instructions specified in knowledge.

Representing How to Use Knowledge

Need to represent how to control the processing:

direction

— indicate the direction an implication could be used. E.g. To prove something can fly show it is a bird. fly(x)  bird(x).

Knowledge to achieve goal

— specify what knowledge might be needed to achieve a specific goal. For example to prove something is a bird try using two facts has_wings and has_feathers to show it.