Submissions:Situation

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Revision as of 17:28, 26 October 2008


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Current revision ID: 3051

Image:Situation.jpg

General description

Name: Situation
Submitted by: User:ValentinaPresutti
Also Known As:
Intent: To represent facts, circumstances, observed contexts.
Domains:

Community:General

Competency Questions:
  • What entities are in the seeting of a certain situation?
Solution description:
Reusable OWL Building Block: http://www.ontologydesignpatterns.org/cp/owl/situation.owl (1287)
Consequences: This CP allows the designer to model both a certain situation, and the entities that are involved. It provides designers with a vocabulary for representing n-ary relations.
Scenarios: I prepared a coffee with my heater, 300 ml of water, and an Arabica coffee mix.
Known Uses:
Web References:
Other References:
Examples (OWL files):
Extracted From:
Reengineered From:
Has Components:
Specialization Of:
Related CPs:


Elements

The Situation Content OP locally defines the following ontology elements:

Class Entity (owl:Class) Anything: real, possible, or imaginary, which some modeller wants to talk about for some purpose.

Entity page
Class Situation (owl:Class) A view on a set of entities. It can be seen as a 'relational context', reifying a relation.

For example, a PlanExecution is a context including some actions executed by agents according to certain parameters and expected tasks to be achieved from a Plan; a DiagnosedSituation is a context of observed entities that is interpreted on the basis of a Diagnosis, etc.

Situation is also able to represent reified n-ary relations, where isSettingFor is the top-level relation for all binary projections of the n-ary relation. If used in a transformation pattern for n-ary relations, the designer should take care of:

- creating only one situation for each instance of an n-ary relation, otherwise the 'identification constraint' (Calvanese et al., IJCAI 2001) could be violated

- adding an 'exact cardinality' restriction corresponding to the arity of the n-ary relation, otherwise the designer would actually represent a polymorphic relation.

Situation page
ObjectProperty hasSetting (owl:ObjectProperty) A relation between entities and situations, e.g. 'this morning I've prepared my coffee with a new fantastic Arabica' (i.e.: (an amount of) a new fantastic Arabica hasSetting the preparation of my coffee this morning).
hasSetting page
ObjectProperty isSettingFor (owl:ObjectProperty)
isSettingFor page


Scenarios

Scenarios about Situation
  • I prepared a coffee with my heater, 300 ml of water, and an Arabica coffee mix. >>>

Reviews

Reviews about Situation

There is no review about this proposal. This revision (revision ID 3051) takes in account the reviews: none

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