ECA meaning in Governmental ?

Answer:

What is Event Condition Action mean?

Event condition action (ECA) is a short-cut for referring to the structure of active rules in event driven architecture and active database systems.

Such a rule traditionally consisted of three parts:

The event part specifies the signal that triggers the invocation of the ruleThe condition part is a logical test that, if satisfied or evaluates to true, causes the action to be carried outThe action part consists of updates or invocations on the local data

This structure was used by the early research in active databases which started to use the term ECA. Current state of the art ECA rule engines use many variations on rule structure. Also other features not considered by the early research is introduced, such as strategies for event selection into the event part.

In a memory-based rule engine, the condition could be some tests on local data and actions could be updates to object attributes. In a database system, the condition could simply be a query to the database, with the result set (if not null) being passed to the action part for changes to the database. In either case, actions could also be calls to external programs or remote procedures.

Note that for database usage, updates to the database are regarded as internal events. As a consequence, the execution of the action part of an active rule can match the event part of the same or another active rule, thus triggering it. The equivalent in a memory-based rule engine would be to invoke an external method that caused an external event to trigger another ECA rule.

ECA rules can also be used in rule engines that use variants of the Rete algorithm for rule processing.

reference

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Equipment Corporation of America	Business
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Environmental Corporation of America	Governmental
Energy Coordinating Agency	Governmental
Economic Cooperation Agreement	Governmental
Employee Choice Arrangement	Governmental
Event Condition Action	Governmental
Egyptian Competition Authority	Governmental
Existing Conditions Assessment	Governmental
Economic Commission for Africa	Governmental
Bureau of Educational and Cultural Affairs	Governmental
Energy Cost Adjustment	Governmental
Export Credit Agency	Governmental
Employees Compensation Act	Governmental
Energy Communities Alliance	Governmental
Exercit Catala d'Alliberament	International
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External Carotid Artery	Medical
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Ephedrine, Caffeine, and Aspirin	Medical
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Early Comparability Analysis	Military and Defence
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