PREFIX p: <http://www.wikidata.org/prop/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdref: <http://www.wikidata.org/reference/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX dct: <http://purl.org/dc/terms/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX geo: <http://www.opengis.net/ont/geosparql#>
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
PREFIX schema: <http://schema.org/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
#example data: SELECT * WHERE {?conference wdt:P31 wd:Q2020153 .} LIMIT 10
start = @<#academic_conference>
<#academic_conference> EXTRA p:P31 {
#instance of # academic conference
p:P31 {
ps:P31 [wd:Q2020153] ;
prov:wasDerivedFrom {}+ ;
};
#organizer
p:P664 {
ps:P664 [wd:~] * ;
prov:wasDerivedFrom {}+ ;
} *;
#end time
p:P582 {
ps:P582 xsd:dateTime ;
prov:wasDerivedFrom {}+ ;
} ;
#official website
p:P856 {
ps:P856 IRI ;
prov:wasDerivedFrom {}+ ;
} ?;
#start time
p:P580 {
ps:P580 xsd:dateTime *;
prov:wasDerivedFrom {}+ ;
};
#location
p:P276 {
ps:P276 [wd:~] ;
prov:wasDerivedFrom {}+ ;
} ;
#country
p:P17 {
ps:P17 IRI * } ;
#short name
p:P1813 {
ps:P1813 rdf:langString * ;
prov:wasDerivedFrom {}+ ;
} ?;
#part of the series
p:P179 {
ps:P179 [wd:~];
prov:wasDerivedFrom {}+ ;
} ?;
#speaker
p:P823 { ps:P823 [wd:~] ;
prov:wasDerivedFrom {}+ ;
} *;
#Twitter hashtag
p:P2572 {
ps:P2572 xsd:string ;
} ?;
#main subject
p:P921 {
ps:P921 [wd:~] ;
prov:wasDerivedFrom {}+ ;
} * ;
#followed by
p:P156 {
ps:P156 [wd:~];
prov:wasDerivedFrom {}+ ;
}?;
#follows
p:P155 {
ps:P155 [wd:~];
prov:wasDerivedFrom {}+ ;
} ?;
#sponsor
p:P859 {
ps:P859 [wd:~];
prov:wasDerivedFrom {}+
} *;
#language used
p:P2936 {
ps:P2936 [wd:~];
prov:wasDerivedFrom {}+ ;
} ?;
#has program committee member
p:P5804 {
ps:P5804 [wd:~];
prov:wasDerivedFrom {}+;
} ?;
#participant
p:P710 {
ps:P710 [wd:~] ;
prov:wasDerivedFrom {}+ ;
} *;
#number of participants
p:P1132 {
ps:P1132 xsd:decimal *;
prov:wasDerivedFrom {}+ ;
} ?;
#motto text
p:P1451 {
ps:P1451 rdf:langString * ;
prov:wasDerivedFrom {}+ ;
} ?;
#edition number
p:P393 {
ps:P393 xsd:string ;
prov:wasDerivedFrom {}+; } ?;
#title
p:P1476 {
ps:P1476 rdf:langString ;
prov:wasDerivedFrom {}+ ;
} ?;
#chairperson
p:P488 {
ps:P488 [wd:~] ;
prov:wasDerivedFrom {}+ ;
} +;
}