List the venues in which Hai Liu published papers and the titles of these papers.
In which venues did Liu, H. publish papers and what are the titles of these papers?
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/46/2375-4> . ?x <https://dblp.org/rdf/schema#publishedIn> ?firstanswer . ?x <https://dblp.org/rdf/schema#title> ?secondanswer }
<https://dblp.org/pid/46/2375-4>