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Steven Herod

Posts: 224
Nickname: sherod
Registered: Jan, 2006

Steven Herod is a Solutions Designer for a Global Leader in Financial Services
A Glossary of Rule Engine / Drools terms... Posted: Feb 9, 2012 12:11 PM
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·         “Match”,” Antecedent” “Left Hand side”

o   The ‘when’,  how a rule is matched to the facts in working memory.

·         “Consequence” or “Right Hand Side”

o   What you want the rule to do... the ‘then’ side.

·          “Production Memory”

o   Where all the rules are kept

·         “Working Memory”

o   Where the facts are kept

·         “Asserted”  “Retracted”

o   The insertion or removal of facts from working memory.  Note that what rules are placed on the Agenda occurs when the facts are inserted.

·         “Match – Resolve – Act” / “match, activate and fire”

o   The cycle that the rule engine goes through repeatedly until all items on the agenda have been removed.

·         “Conflict resolution”

o   How the rule engine resolves the order in which to execute rules place on the agenda.

·         “Salience”

o   Emphasis, a way of indicating to the rules engine the precedence of rule firing.

·         “Fired”

o   The execution of a consequence

·         “Activation/Activate”

o   A rule which matches the facts is placed on the agenda

·         “Agenda”

o   An agenda is a table of Activations, it’s the list of the rules that will fire because the facts in working

 

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