Definition

Backward chaining

Backward chaining, in which the inference engine begins with a goal, or hypothesis, and searches for data to support this goal. Since it is the goal that initiates the problem-solving process, backward chaining is sometimes referred to as goal-driven reasoning. In this approach, inference engine searches for a match between the consequent (the THEN part of the rule) and the system goal; when the match is found, the system continues to search the knowledge base until it finds evidence either to support or to reject the goal.

Share it:  Cite

More from this Section

  • Client-server system
    Client-server system is a distributed system in which a server, such as mainframe, stores ...
  • Expansion slots
    Expansion slots allow users to add features and capabilities to their computers, such ...
  • Organization-wide systems (OWS)
    OWS are those that provide overall, comprehensive, long-term information about the entire ...
  • Explanation module
    Explanation module is a module in an expert system that explains the problem-solving process ...
  • Relational model
    Relational model is the third type of data model in which data is represented using two-dimensional ...