Start

Class
http://www.w3.org/ns/prov#Start
Class Hierarchy
Definition

Start is when an activity is deemed to have been started by an entity, known as trigger. The activity did not exist before its start. Any usage, generation, or invalidation involving an activity follows the activity's start. A start may refer to a trigger entity that set off the activity, or to an activity, known as starter, that generated the trigger.

An instance of prov:Start provides additional descriptions about the binary prov:wasStartedBy relation from some started prov:Activity to an prov:Entity that started it. For example, :foot_race prov:wasStartedBy :bang; prov:qualifiedStart [ a prov:Start; prov:entity :bang; :foo :bar; prov:atTime '2012-03-09T08:05:08-05:00'^^xsd:dateTime ] .

Properties
Category
qualified
Component
entities-activities
Relationships
Asserted object-property edges to other entities. Logical class axioms such as owl:disjointWith are shown separately below.
isDefinedBy
unqualifiedForm wasStartedBy
Property Structure
1 · Object and Data Properties rdfs:domain on this class or ancestor
PropertyRangeDescription
hadActivity Activity The _optional_ Activity of an Influence, which used, generated, invalidated, or was the responsibility of some Entity. This property is _not_ used by ActivityInfluence (use prov:activity instead).
entity inherited Entity
influencer inherited Thing Subproperties of prov:influencer are used to cite the object of an unqualified PROV-O triple whose predicate is a subproperty of prov:wasInfluencedBy (e.g. prov:used, prov:wasGeneratedBy). prov:influencer is used much like rdf:object is used.
2 · Referenced By rdfs:range on this class or ancestor
FromPropertyDescription
Activity qualifiedStart If this Activity prov:wasStartedBy Entity :e1, then it can qualify how it was started using prov:qualifiedStart [ a prov:Start; prov:entity :e1; :foo :bar ].
Activity qualifiedInfluence inherited Because prov:qualifiedInfluence is a broad relation, the more specific relations (qualifiedCommunication, qualifiedDelegation, qualifiedEnd, etc.) should be used when applicable.
Agent qualifiedInfluence inherited Because prov:qualifiedInfluence is a broad relation, the more specific relations (qualifiedCommunication, qualifiedDelegation, qualifiedEnd, etc.) should be used when applicable.
Entity qualifiedInfluence inherited Because prov:qualifiedInfluence is a broad relation, the more specific relations (qualifiedCommunication, qualifiedDelegation, qualifiedEnd, etc.) should be used when applicable.
@prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix prov: <http://www.w3.org/ns/prov#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix skos: <http://www.w3.org/2004/02/skos/core#> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . prov:Start a owl:Class ; rdfs:label "Start" ; rdfs:comment "An instance of prov:Start provides additional descriptions about the binary prov:wasStartedBy relation from some started prov:Activity to an prov:Entity that started it. For example, :foot_race prov:wasStartedBy :bang; prov:qualifiedStart [ a prov:Start; prov:entity :bang; :foo :bar; prov:atTime '2012-03-09T08:05:08-05:00'^^xsd:dateTime ] ." ; rdfs:isDefinedBy <http://www.w3.org/ns/prov-o#> ; rdfs:subClassOf prov:EntityInfluence, prov:InstantaneousEvent ; skos:definition "An instance of prov:Start provides additional descriptions about the binary prov:wasStartedBy relation from some started prov:Activity to an prov:Entity that started it. For example, :foot_race prov:wasStartedBy :bang; prov:qualifiedStart [ a prov:Start; prov:entity :bang; :foo :bar; prov:atTime '2012-03-09T08:05:08-05:00'^^xsd:dateTime ] ." ; prov:category "qualified" ; prov:component "entities-activities" ; prov:constraints "http://www.w3.org/TR/2013/REC-prov-constraints-20130430/#prov-dm-constraints-fig"^^xsd:anyURI ; prov:definition "Start is when an activity is deemed to have been started by an entity, known as trigger. The activity did not exist before its start. Any usage, generation, or invalidation involving an activity follows the activity's start. A start may refer to a trigger entity that set off the activity, or to an activity, known as starter, that generated the trigger."@en ; prov:dm "http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-Start"^^xsd:anyURI ; prov:n "http://www.w3.org/TR/2013/REC-prov-n-20130430/#expression-Start"^^xsd:anyURI ; prov:unqualifiedForm prov:wasStartedBy .
Metadata
Ontology
Type
Class
Last Updated
2026-07-03 09:16