Which author published the paper on Granularity control and has the name Wah?
Which author named Wah published the paper on Granularity control?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/ijait/HsuCW07> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/journals/ijait/HsuCW07>