OOIS’97 87 Fragestellung und vortheoretische Annahmen and the use of Fragestellung und vortheoretische Annahmen Two noteworthy examples of such change are the significant shift in emphasis from anoxyphototrophs to cyanobacteria and the advent of molecular genetics The papers included in the proceedings consist of various aspects of object oriented concepts and they have been presented to the reader under the following thematic sections: Object Oriented Methodologies Query Processing Modelling Issues I Transaction Processing and Concurrency Control Applications Modelling Issues II Re Usability I Modelling Issues III Re usability II Architectural Issues Object Orientation in Spatial Structures Database Design and Views Software Engineering Development Large Scale Environments This conference has received tremendous support from the School of Information Technology at The University of Queensland 1997 International Conference on Object Oriented Information Systems 10–12 November 1997