Which papers did author X. Chai publish and in which year?
Which publications did X. Chai author and in which year?
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { ?firstanswer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/242/4753> . ?firstanswer <https://dblp.org/rdf/schema#yearOfPublication> ?secondanswer }
<https://dblp.org/pid/242/4753>