Did Zhu, Hongsong publish in WASA in the last four years?
Has Hongsong Zhu published in WASA in the last 4 years?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/57/5368> . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?y . FILTER(?y > YEAR(NOW())-4) . ?x <https://dblp.org/rdf/schema#publishedIn> 'WASA' }
<https://dblp.org/pid/57/5368>