PREFIX foaf:
PREFIX movie:
DELETE {
?person movie:music_contributor_name ?music_contributor_name ;
movie:producer_name ?producer_name ;
movie:writer_name ?writer_name .
} INSERT {
?person a foaf:Person ;
foaf:name ?music_contributor_name, ?producer_name, ?writer_name .
} WHERE {
{
?person movie:music_contributor_name ?music_contributor_name .
} UNION {
?person movie:producer_name ?producer_name .
} UNION {
?person movie:writer_name ?writer_name .
}
}