List the papers published by T. Kellam in the last seven years.
Which papers did T. Kellam publish in the last 7 years?
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/45/4688> . ?answer <https://dblp.org/rdf/schema#yearOfPublication> ?y FILTER(?y > YEAR(NOW())-7) }
<https://dblp.org/pid/45/4688>