Latest revision as of 15:36, 1 November 2013

Announcement

OBO_REL has been replaced by RO - the new website and wiki can be found at http://purl.obolibrary.org/obo/ro

Old material that was previously kept here has been moved to RO:Historic Material

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-=RO - OBO Relation Ontology=
+= Announcement =
-The main RO page is located on sourceforge:
+OBO_REL has been replaced by RO - the new website and wiki can be found at http://purl.obolibrary.org/obo/ro
-- [http://obo.sourceforge.net/relationship]
+Old material that was previously kept here has been moved to [[RO:Historic Material]]
-You can browse the ontology, get mail list details etc there
-=Open issues=
-==Proposed new relations==
-The lacks family of relations is being discussed
-Next we will be examining:
-has_function, has_quality, and relations that deal with creation, consumption and development
-The derives_from relation has been criticised from an ontological POV (REF?). There is also the terminological problem that "derives_from" is used specifically for evolutionary relationships by some. We will report back on this after the september NCBO anatomy meeting. We may create a "develops_from" parent for transformation_of corresponding to how that relation is currently used in MOD AOs
-==Hunter/Bada Proposal for new relations==
-We propose the addition of nine new relationships (and nine additional inverse relationships) to the RO.   The relationship are defined and linked to the existing relationships in this OBO file [[media:Relationship-proposal.zip]].   Each of our proposed relationships has a range over the GO biological process hierarchy, although with varying domains, mostly over continuents.
-Perhaps the most basic of these is intended to capture the idea of a process leading to a change in a continuent: <process> results-in-change-in <continuent>  (see the above linked OBO file for formal definitions).  We also propose two more specific versions of this when the continuent is either the thing changed (results-in-change-from) or the thing that results from the change (results-in-change-to).
-In addition, we propose well over 1000 instances of these relationships among terms from the GO, ChEBI and CTO ontologies.  For example, we identified 30 instances of a <GO Biological Process>
-results-in-change-in <ChEBI term>, 13 instances where <GO:BP> results-in-change-in <GO:CC> and 41 instances where <GO:BP> results-in-change-in <CTO term>.   The more specific relationships are actually more prevalent: we propose 593 instances of <GO:BP> results-in-change-to <ChEBI term>
-The other relationships we propose are:
-* results-in-capability-to-change-to
-* results-in-directed-movement-of
-* results-in-division-of
-* results-in-joining-of
-* results-in-perception-of
-* results-in-regulation-of
-Definitions of each and positions in the RO hierarchy are in the OBO file.
-We've posted a message with the subject "Hunter/Bada Proposal for New Relations" on the relationship-ontology mailing list describing our rationales for these in more detail.
-==OWL Conversion==
-The standard GO obo->owl conversion is used. See [[OboInOwl:Main_Page]] for details
-obo1.2 defines "builtin" tags for relations that are hardwired into the obo semantics - is_a and instance_of are tagged builtin. These are not exported in OWL, as these are also part of the OWL language

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Latest revision as of 15:36, 1 November 2013

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