@prefix rdf: . @prefix ns1: . @prefix schema: . ns1:ArticleSearchAction rdf:type schema:Action , schema:SearchAction . @prefix pwdr: . ns1:ArticleSearchAction pwdr:describedby . @prefix ns4: . ns1:ArticleSearchAction pwdr:describedby ns4:yelp_search , , ns4:yelpsearch ; schema:name "Search - Yelp" ; schema:target ns1:this .