M. Dreger; K. Großjohann; C. Haber; S. Lohrum; R. Weber (1997).

Medoc - Searching Heterogeneous Bibliographic and Text Databases. Technical Report, University of Dortmund, Germany

N. Fuhr; T. Rölleke (1997).

A Probabilistic Relational Algebra for the Integration of Information Retrieval and Database Systems. ACM Transactions on Information Systems 14(1)

Norbert Gövert (1997).

Datenbankselektion in vernetzten Information-Retrieval-Systemen. Diplomarbeit

Norbert Gövert (1997).

Evaluierung eines entscheidungstheoretischen Modells zur Datenbankselektion. In Hypertext -- Information Retrieval -- Multimedia (HIM).

N. Gövert (1997).

SFgate.

Ulrich Pfeifer; Stefan Pennekamp (1997).

Incremental Processing of Vague Queries in Interactive Retrieval Systems. In Hypertext -- Information Retrieval -- Multimedia (HIM).

T. Rölleke; N. Fuhr (1997).

Probabilistic Reasoning for Large Scale Databases. In: Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'97). Springer, Heidelberg et al..

T. Rölleke; N. Fuhr (1997).

HySpirit -- a Flexible System for Investigating Probabilistic Logical Information Retrieval. Technical Report, University of Dortmund, Dortmund, Germany

T Röelleke; N. Fuhr (1997).

The Possible Worlds Semantics of Probabilistic Four-Valued Datalog. In POOL: Probabilistic Object-Oriented Logical Representation and Retrieval of Complex Objects,

Thomas Rölleke; Norbert Fuhr (1997).

Retrieving Complex Objects with HySpirit. In Proceedings of the 19th Annual BCS-IRSG Colloquium on IR Research