Mention the papers published by Pieters, R. and in which year.
Which papers did author Roel Pieters publish and in which year?
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { ?firstanswer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/68/7414> . ?firstanswer <https://dblp.org/rdf/schema#yearOfPublication> ?secondanswer }
<https://dblp.org/pid/68/7414>