Information Systems , Volume 5, 1980

Volume 5, Number 1

Matti Jakobsson: Reducing block accesses in inverted files by partial clustering. 1-5
Konrad H. Quitzow, Manfred R. Klopprogge: Space utilization and access path length in B-trees. 7-16
Börje Langefors: Infological models and information user views. 17-31
K. D. Sharma, Y. K. Sharma: An access control facility for relational data base systems. 33-39
Svend-Erik Clausen: Optimizing the evaluation of calculus expressions in a relational database system. 41-54
Alfonso F. Cardenas, Mir Hamid Pirahesh: Data base communication in a heterogeneous data base management system network. 55-79

Susan Jones, Peter Mason: Proceduralism and parallelism in specification languages. 97-106
Larry S. Davis, Nick Roussopoulos: Approximate pattern matching in a pattern database system. 107-119
Vladimir S. Cherniavsky: On limitations of artificial intelligence. 121-126
Frank Steyer: A uniform formal description of data base management systems. 127-135
Wolfgang Effelsberg, Theo Härder, Andreas Reuter: An experiment in learning DBTG database administration. 137-147
Michele Missikoff, Linda Pagli: A note on optimal allocation of files in a symmetric and homogeneous network. 149-150

Amílcar Sernadas: Temporal aspects of logical procedure definiton. 167-187
W. Bruce Croft: A model of cluster searching bases on classification. 189-195
Michael Hatzopoulos, John G. Kollias: The file allocation problem under dynamic usage. 197-201
Igor Hawryszkiewycz: Alternate implementations of the conceptual schema. 203-217
Konrad Fialkowski, Mieczyslaw Muraszkiewicz: Matrix for retrieval and sorting. 219-224
Hartmut Ehrig, Hans-Jörg Kreowski: Applications of Graph Grammar Theory to Consistency, Synchronization and Scheduling in Data Base Systems. 225-238

Michael E. Senko: A query-maintenance language for the Data Independent Acessing Model II. 257-272
R. Erbe, R. Hartwig, H. Lehmann, G. Mueller, Ulrich Schauer: Integrated data analysis and management for the problem solving environment. 273-285
Michael L. Brodie: The application of data types to database semantic integrity. 287-296
Jürgen Krause: Natural language access to information systems - An avaluation study of its acceptance by end users. 297-318
V. J. Kollias, Michael Hatzopoulos, John G. Kollias: Database maintenance efficiency using differential files. 319-321
Vangalur S. Alagar: Algorithms for processing partial match queries using word fragments. 323-332
Giovanni Guida, Marco Somalvico: Interacting in natural language with artificial systems: the DONAU project. 333-354