Have the authors of the paper 'User Interface Requirements in Educational Multimedia' not published a publication in WebNet?
Did the authors of the publication 'User Interface Requirements in Educational Multimedia' not publish a paper in WebNet?
ASK { <https://dblp.org/rec/conf/webnet/Fenley99> <https://dblp.org/rdf/schema#authoredBy> ?x . ?y <https://dblp.org/rdf/schema#authoredBy> ?x FILTER (?y != <https://dblp.org/rec/conf/webnet/Fenley99>) . ?y <https://dblp.org/rdf/schema#publishedIn> 'WebNet' FILTER NOT EXISTS { <https://dblp.org/rec/conf/webnet/Fenley99> <https://dblp.org/rdf/schema#publishedIn> 'WebNet' } }
<https://dblp.org/rec/conf/webnet/Fenley99>