What are the papers that Lei W. and Yajie Zhang published?
List all the papers that Lei Wang and Yajie Z. published.
SELECT DISTINCT ?answer WHERE { { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/181/2817> } UNION { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/14/9919> } }
<https://dblp.org/pid/181/2817> <https://dblp.org/pid/14/9919>