Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Martin Hofmann 0002, Eckhard Bartscht, S. Schmezko. Klassendefinitionen und Anfrageformulierung in Informationssytemen durch graphische Interaktion. In Information Retrieval. pages 242-254, 1993.