Re: [ontolog-forum] Need advice

[Cristian vasquez <cristianvasquez@xxxxxxxxx>]

Enviado de Samsung Mobile+ j'y je, dkk

K

-------- Mensaje original --------
De: "Barkmeyer, Edward J"
Fecha:12/13/2014 12:11 AM (GMT+01:00)
Para: "[ontolog-forum]"
Asunto: Re: [ontolog-forum] Need advice

Duane,

 

INVERSE is the term used in OWL and EXPRESS.  Nijssen and the SBVR lot refer to ‘alternative readings’ and ‘synonymous forms’, seeing both of these as astatements about a single ‘relationship’.  OWL sees two ‘properties’ that are related by an ‘InverseProperty’ axiom.   UML sees one a oa‘association’ with two ‘properties’, but does not provide a term for the relationship between the properties per se.  EXPRESS says there is one ‘relationship’ created by two ‘attributes’, one of which is the INVERSE of the other.

 

-Ed

 

From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Duane Nickull
Sent: Friday, December 12, 2014 6:02 PM
To: [ontolog-forum]
Subject: [ontolog-forum] Need advice

 

What would be a suitable term to call a binary relationship that is co-dependent yet not symmetrical to another relationship between the same entity in a binary relationship?  

 

If "John is a father of Chris”, how can we describe that relationship in terms of comparing it to “Chris is a son of John”?  Would “isomorphic”  be the best term to use? “Inverse”? Assume that the relationship is traversable from either side.

 

The context of this is in a graph database discussion group.  Graph Databases have nodes and relationships.  Either can have properties.  Unlike RDBMS systems, graph databases have relationships between instances of nodes, not a foreign key relationship with an entire table.

 

The binary relationship is not symmetric since true symmetry would require that the statements “..is a father of…” and “…is a son of…” be equally true for A-B as they are for B-A.

 

Sorry for this simple request.  I am just trying to find the best description for this.

 

Duane Nickull

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CTO - Hot Tomali/Cientis/Cheddar Labs

www.hottomali.com

 

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