An Integrated Approach to Semantic Evaluation and Content-Based Retrieval of Multimedia Documents. - Alois C. Knoll; Christian Altenschmidt; Joachim Biskup; Hans-Martin Blüthgen; Ingo Glöckner; Sven Hartrumpf; Hermann Helbig; Christiane Henning; Reinhard Lüling; Burkhard Monien; Thomas Noll 001; Norbert Sensen (ECDL, 1998)

A Secure Object-Oriented Mediator: Two Challenges. - Christian Altenschmidt; Yücel Karabulut (Föderierte Datenbanken, 1998)

Weakly Constraining Multimedia Types Based on a Type Embedding Ordering. - Christian Altenschmidt; Joachim Biskup; Jürgen Freitag; Barbara Sprick (Multimedia Information Systems, 1998)

Security Architecture of the Multimedia Mediator. - Christian Altenschmidt; Joachim Biskup; Yücel Karabulut (DBSec, 2000)

Explicit Representation of Constrained Schema Mappings for Mediated Data Integration. - Christian Altenschmidt; Joachim Biskup (DNIS, 2002)

Secure Mediation: Requirements, Design, and Architecture. - Christian Altenschmidt; Joachim Biskup; Ulrich Flegel; Yücel Karabulut (J. Comput. Secur., 2003)