@prefix lsqv: <http://lsq.aksw.org/vocab#>.
@prefix cogs: <http://vocab.deri.ie/cogs#>.
@prefix dct:  <http://purl.org/dc/terms/>.
@prefix owl:  <http://www.w3.org/2002/07/owl#>.
@prefix prov: <http://www.w3.org/ns/prov#>.
@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix sd: <http://www.w3.org/ns/sparql-service-description#>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix spin: <http://spinrdf.org/spin#>.
@prefix void: <http://rdfs.org/ns/void#>.
@prefix xsd:  <http://www.w3.org/2001/XMLSchema#>.

lsqv: a owl:Ontology ;
	rdfs:label "The Linked SPARQL Queries Vocabulary"@en ;
	dct:creator <http://aidanhogan.com/foaf.rdf#me> ;
	dct:modified "2021-07-07"^^xsd:date .

lsqv:Query a rdfs:Class , owl:Class ;
	rdfs:label "Query"@en ;
	rdfs:comment "A query unique in a particular log that may have multiple executions in that log"@en .

lsqv:QueryExec a rdfs:Class , owl:Class ;
	rdfs:label "Query Execution"@en ;
	rdfs:comment "An execution of a query or a sub-query"@en .

lsqv:LocalExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:QueryExec ;
	rdfs:label "Local Execution"@en ;
	rdfs:comment "An execution of a query in a local/controlled setting"@en .

lsqv:RemoteExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:QueryExec ;
	rdfs:label "Remote Execution"@en ;
	rdfs:comment "An execution of a query over the remote endpoint (e.g., as recorded in a remote log)"@en .

lsqv:BgpExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:QueryExec ;
	rdfs:label "BGP Execution"@en ;
	rdfs:comment "An execution of a query encoding a basic graph pattern"@en .

lsqv:BgpVarExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:QueryExec ;
	rdfs:label "BGP Variable Execution"@en ;
	rdfs:comment "An execution of a query encoding a sub-basic graph pattern sharing a common (join) variable"@en .

lsqv:TpInBgpExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:QueryExec ;
	rdfs:label "TP in BGP Execution"@en ;
	rdfs:comment "An execution of a query encoding a triple pattern within a basic graph pattern"@en .

lsqv:TpExec a rdfs:Class , owl:Class ;
	rdfs:subClassOf lsqv:BgpVarExec ;
	rdfs:label "TP Execution"@en ;
	rdfs:comment "An execution of a query encoding a triple pattern (i.e., a basic graph pattern with one triple pattern)"@en .

lsqv:BenchmarkRun a rdfs:Class , owl:Class ;
	rdfs:subClassOf prov:Activity ;
	rdfs:label "Benchmark Run"@en ;
	rdfs:comment "A sequence of local executions of queries"@en .

lsqv:StructuralFeatures a rdfs:Class , owl:Class ;
	rdfs:label "Structural Features"@en ;
	rdfs:comment "A description of the static/structural features of a query"@en .

lsqv:Bgp a rdfs:Class , owl:Class ;
	rdfs:label "Basic graph pattern"@en ;
	rdfs:comment "A basic graph pattern"@en .

lsqv:Tp a rdfs:Class , owl:Class ;
	rdfs:label "Triple pattern"@en ;
	rdfs:comment "A triple pattern"@en .

lsqv:TpInBgp a rdfs:Class , owl:Class ;
	rdfs:label "Triple pattern in a basic graph pattern"@en ;
	rdfs:comment "A triple pattern in the context of a specific basic graph pattern"@en .

lsqv:Vertex a rdfs:Class , owl:Class ;
	rdfs:label "Basic graph pattern vertex"@en ;
	rdfs:comment "A vertex in a basic graph pattern"@en . 

lsqv:Edge a rdfs:Class , owl:Class ;
	rdfs:label "Basic graph pattern (hyper)edge"@en ;
	rdfs:comment "A (hyper)edge in a basic graph pattern"@en . 

lsqv:hasSpin a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has spin query"@en ;
	rdfs:comment "relates a query in a log to its SPIN representation"@en ;
	rdfs:domain lsqv:Query ;
	rdfs:range spin:Query .

lsqv:hasExec a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has execution"@en ;
	rdfs:comment "relates a query (possibly a sub-query or query element) to its execution"@en ;
	rdfs:range lsqv:QueryExec .

lsqv:hasSubBgpExec a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has sub-basic graph pattern execution"@en ;
	rdfs:comment "relates a basic graph pattern to the execution of one of it sub-basic graph patterns"@en ;
	rdfs:range lsqv:BgpExec .

lsqv:hasRemoteExec a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has remote execution"@en ;
	rdfs:comment "relates a query (possibly a sub-query or query element) to its remote execution"@en ;
	rdfs:subPropertyOf lsqv:hasExec ;
	rdfs:range lsqv:RemoteExec .

lsqv:hasLocalExec a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has local execution"@en ;
	rdfs:comment "relates a query (possibly a sub-query or query element) to its local execution"@en ;
	rdfs:subPropertyOf lsqv:hasExec ;
	rdfs:range lsqv:LocalExec .

lsqv:hasBgp a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has basic graph pattern"@en ;
	rdfs:comment "contains a (complete) basic graph pattern"@en ;
	rdfs:range lsqv:Bgp .

lsqv:hasSubBgp a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has sub-basic graph pattern"@en ;
	rdfs:comment "contains a sub-basic graph pattern"@en ;
	rdfs:range lsqv:Bgp .

lsqv:hasTp a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has triple pattern"@en ;
	rdfs:comment "contains a triple pattern"@en ;
	rdfs:range lsqv:Tp .

lsqv:hasTpInBgp a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has triple pattern in a basic graph pattern"@en ;
	rdfs:comment "contains a triple pattern within a basic graph pattern"@en ;
	rdfs:range lsqv:TpInBgp .

lsqv:extensionQuery a rdf:Property , owl:ObjectProperty ;
	rdfs:label "extension query"@en ;
	rdfs:comment "denotes a wrapper query that returns the same results as a pattern (e.g., wrapping SELECT * WHERE { ... })"@en ;
	rdfs:range lsqv:Query .

lsqv:hasBgpNode a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has basic graph pattern node (or vertex)"@en ;
	rdfs:comment "denotes a vertex within a basic graph pattern"@en ;
	rdfs:range lsqv:Vertex .

lsqv:hasEdge a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has basic graph pattern (hyper)edge"@en ;
	rdfs:comment "denotes a (hyper)edge within a basic graph pattern"@en ;
	rdfs:range lsqv:Edge .

lsqv:in a rdf:Property , owl:ObjectProperty ;
	rdfs:label "inward edge"@en ;
	rdfs:comment "denotes an inward (hyper)edge for this vertex (aka. node)"@en ;
	rdfs:domain lsqv:Vertex ;
	rdfs:range lsqv:Edge .

lsqv:out a rdf:Property , owl:ObjectProperty ;
	rdfs:label "outward edge"@en ;
	rdfs:comment "denotes an outward (hyper)edge for this vertex (aka. node)"@en ;
	rdfs:domain lsqv:Vertex ;
	rdfs:range lsqv:Edge .

lsqv:proxyFor a rdf:Property , owl:ObjectProperty ;
	rdfs:label "proxy for"@en ;
	rdfs:comment "denotes the term forming a vertex (aka. node)"@en ;
	rdfs:domain lsqv:Vertex .

lsqv:hasStructuralFeatures a rdf:Property , owl:ObjectProperty ;
	rdfs:label "has structural features"@en ;
	rdfs:comment "relates a query to its structural (aka. static) features"@en ;
	rdfs:domain lsqv:Query ;
	rdfs:range lsqv:StructuralFeatures .

lsqv:dataset a rdf:Property , owl:ObjectProperty ;
	rdfs:label "execution dataset"@en ;
	rdfs:comment "the VoID dataset on which a given query execution was run"@en ;
	rdfs:domain lsqv:QueryExec ;
	rdfs:range void:Dataset .

lsqv:service a rdf:Property , owl:ObjectProperty ;
	rdfs:label "execution service"@en ;
	rdfs:comment "the SPARQL service on which a given query execution was run"@en ;
	rdfs:domain lsqv:QueryExec ;
	rdfs:range sd:Service .

lsqv:endpoint a rdf:Property , owl:ObjectProperty ;
	rdfs:label "execution endpoint"@en ;
	rdfs:comment "the endpoint on which a given query execution was run"@en ;
	rdfs:domain lsqv:QueryExec ;
	rdfs:range cogs:Endpoint ;
	owl:propertyChainAxiom ( lsqv:dataset void:sparqlEndpoint ) , ( lsqv:service sd:endpoint ) .

lsqv:usesFeature a rdf:Property , owl:ObjectProperty ;
	rdfs:label "uses feature"@en ;
	rdfs:comment "links structural features of a query to individual SPARQL features used" ;
	rdfs:domain lsqv:StructuralFeatures ;
	rdfs:range sd:Feature .

lsqv:text a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "text"@en ;
	rdfs:comment "textual expression in SPARQL syntax" ;
	rdfs:range xsd:string . 

lsqv:hash a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "hash"@en ;
	rdfs:comment "a hash of the text" ;
	rdfs:range xsd:string . 

lsqv:hostHash a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "host hash"@en ;
	rdfs:comment "a hash of the hostname or IP" ;
	rdfs:range xsd:string . 

lsqv:countingDuration a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "counting duration"@en ;
	rdfs:comment "the duration taken to count results" ;
	rdfs:range xsd:decimal . 

lsqv:countingDuration a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "counting duration (s)"@en ;
	rdfs:comment "the duration taken to count results in seconds" ;
	rdfs:range xsd:decimal . 

lsqv:evalDuration a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "evaluation duration (s)"@en ;
	rdfs:comment "the duration taken to evaluate/execute the query in seconds" ;
	rdfs:range xsd:decimal . 

lsqv:resultCount a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "result count"@en ;
	rdfs:comment "the number of results generated by an execution"@en ;
	rdfs:range xsd:integer . 

lsqv:serializedResult a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "serialized result"@en ;
	rdfs:comment "the results generated by an execution serialized in JSON format"@en ;
	rdfs:range xsd:string . 

lsqv:joinVertexCount a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join vertex count"@en ;
	rdfs:comment "the number of vertices (aka. nodes) involved in a join"@en ;
	rdfs:range xsd:integer .

lsqv:joinVertexDegreeMean a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join vertex degree mean"@en ;
	rdfs:comment "the average degree of vertices (aka. nodes) involved in a join"@en ;
	rdfs:range xsd:decimal .

lsqv:joinVertexDegreeMedian a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join vertex degree median"@en ;
	rdfs:comment "the median degree of vertices (aka. nodes) involved in a join"@en ;
	rdfs:range xsd:integer .

lsqv:joinVertexDegreeMax a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join vertex degree max"@en ;
	rdfs:comment "the maximum degree of a single vertex (aka. node) involved in a join"@en ;
	rdfs:range xsd:integer .

lsqv:joinVertexDegreeMin a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join vertex degree min"@en ;
	rdfs:comment "the minimum degree of a single vertex (aka. node) involved in a join"@en ;
	rdfs:range xsd:integer .

lsqv:projectVarCount a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "projected variable count"@en ;
	rdfs:comment "the number of projected variables for a query" ;
	rdfs:range xsd:integer .

lsqv:tpCount a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "triple pattern count"@en ;
	rdfs:comment "the number of triple patterns contained in a query" ;
	rdfs:range xsd:integer .

lsqv:tpInBgpCountMean a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "mean count of triple patterns per basic graph pattern"@en ;
	rdfs:comment "the average number of triple patterns contained in each basic graph pattern" ;
	rdfs:range xsd:decimal .

lsqv:tpInBgpCountMedian a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "median count of triple patterns per basic graph pattern"@en ;
	rdfs:comment "the median number of triple patterns contained in each basic graph pattern" ;
	rdfs:range xsd:integer .

lsqv:tpInBgpCountMax a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "max count of triple patterns in basic graph pattern"@en ;
	rdfs:comment "the maximum number of triple patterns contained in a single basic graph pattern" ;
	rdfs:range xsd:integer .

lsqv:tpInBgpCountMin a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "minimum count of triple patterns in basic graph patterns"@en ;
	rdfs:comment "the minimum number of triple patterns contained in each basic graph pattern" ;
	rdfs:range xsd:integer .

lsqv:tpToBgpRatio a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "triple pattern to basic graph pattern ratio"@en ;
	rdfs:comment "the ratio of the number of results for the triple pattern versus the number of results for the basic graph pattern containing it" ;
	rdfs:range xsd:decimal .

lsqv:tpToGraphRatio a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "triple pattern to graph ratio"@en ;
	rdfs:comment "the ratio of the number of results returned by the triple pattern versus the number of triples in the graph (i.e., selectivity)" ;
	rdfs:range xsd:decimal .

lsqv:bgpRestrictedTpSel a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "basic graph pattern-restricted triple pattern selectivity"@en ;
	rdfs:comment "the ratio of results for the triple pattern that are compatible with the results for the basic graph pattern versus all results for the triple pattern" ;
	rdfs:range xsd:decimal .

lsqv:tpSelJoinVarRestricted a rdf:Property , owl:DatatypeProperty ;
	rdfs:label "join variable-restricted triple pattern selectivity"@en ;
	rdfs:comment "the ratio of results for the triple pattern that are compatible with the results produced by a join versus all results for the triple pattern" ;
	rdfs:range xsd:decimal .