Univ. of Crete ISWC’04 Motivating Example / Univ. of Crete ISWC’04 Agenda / Univ. of Crete ISWC’04 Enriching Path Expressions / University of Crete / Univ. of Crete ISWC’04 GRQL Minimal Query Translation / Univ. of Crete ISWC’04 Visual Abstractions for Accessing Data Collections BANKS / Institute for Computer Science / Univ. of Crete ISWC’04 GRQL Summary / Nikos Athanasis Vassilis Christophides Dimitris Kotzinos Computer Science Department / Univ. of Crete ISWC’04 GRQL Translation of Schema Browsing Actions / /