Information Systems , Volume 14, 1989

Volume 14, Number 1

Vijay Kumar: A study of the behavior of the read: write ratio under two-phase locking schemes. 1-12
Anthony N. Godwin, Joseph W. Gleeson, Dean Gwillian: An assessment of the IDEF notations as descriptive tools. 13-28
Hans-Joachim Klein: Pragmatics and semantics of NQL, a descriptive query language for network databases. 29-45
S. K. Michael Wong, Wojciech Ziarko, Vijay V. Raghavan, P. C. N. Wong: Extended Boolean query processing in the generalized vector space model. 47-63
Dan A. Simovici, Dan C. Stefanescu: Formal semantics for database schemas. 65-77
Sergio Greco, Pasquale Rullo: Complex-Prolog: a logic database language for handling complex objects. 79-87
Safa M. Alak, Muhsen Shalef Chiad: Storage structure design of CODASYL DBMS using spreadsheet programs. 89

Paolo Ciaccia, Dario Maio, Paolo Tiberio: A method for hierarchy processing in relational systems. 93-105
H. R. Cho, S. J. Park, E. Hevia: An approach to efficient database design incorporating usage information. 107-115
Meichun Hsu, Stuart E. Madnick: Hierarchical timestamping algorithm. 117-129
Christos Faloutsos, Winston Rego: Tri-cell-a data structure for spatial objects. 131-139
Raya Fidel, Michael Crandall: Fitting reality into a database mold: rules for data collection. 141-149
Stavros Christodoulakis, Yannis Manolopoulos, Per-Åke Larson: Analysis of Overflow Handling for Variable Length Records. 151-162
Frédéric Cuppens, Robert Demolombe: How to recognize interesting topics to provide cooperative answering. 163-173
Udo Kelter: Deadlock-freedom of large transactions in object management systems. 175-180

Alessandro D'Atri, Paolino Di Felice, Marina Moscarini: Dynamic query interpretation in relational databases. 195-204
Kweku Ewusi-Mensah: Evaluating information systems projects: a perspective on cost-benefit analysis. 205-217
Jiawei Han: Multi-way counting method. 219-229
Leo Mark: A graphical query language for the Binary Relationship Model. 231-246
Sudha Ram, Stephen M. Curran: An automated tool for relational database design. 247-259
Stefano Ceri, Barbara Pernici, Gio Wiederhold: Optimization problems and solution methods in the design of data distribution. 261-272

Kees M. van Hee, Geert-Jan Houben, Jan L. G. Dietz: Modeling of discrete dynamic systems-framework and examples. 277-289
Kazimierz Subieta, Marek Missala: View updating through predefined procedures. 291-305
Mark Levene, George Loizou: NURQL: a nested universal relation query language. 307-316
Tetsuro Ito, Makoto Nakashima: Modification of a multilevel indexed descriptor file. 317-326
Thomas A. Mück, Günther Vinek: Modelling dynamic constraints using augmented place transition nets. 327-340
Danièle Gardy, Philippe Flajolet, Claude Puech: Average cost of orthogonal range queries in multiattribute trees. 341-350
Pankaj Goyal: Intelligent information systems: the concept of an intelligent document. 351-358

Jiang-Hsing Chu, Gary D. Knott: An Analysis of B-trees and their Variants. 359-370
Edward Omiecinski: Concurrent file conversion between B+-tree and linear hash files. 371-383
Pai-Cheng Chu: Database access path selection: a two step approach. 385-392
Siegfried Treu, Paul M. Mullins, Joel C. Adams: A network-wide information systems: multi-level context for the user at the workstation interface. 393-406
Elisa Bertino, Mauro Negri, Giuseppe Pelagatti, Licia Sbattella: Integration of heterogeneous database applications through an object-oriented interface. 407-420
Sang Hyuk Son: An algorithm for non-interfering checkpoints and its practicality in distributed database systems. 421-429
Mohammad Dadashzadeh: An improved division operator for relational algebra. 431-437
David A. Goldberg, Ali Orooji: Independent revocation of access rights in database management systems. 439-442

Janusz Kacprzyk, Slawomir Zadrozny, Andrzej Ziólkowski: FQUERY III +:a "human-consistent" database querying system based on fuzzy logic with linguistic quantifiers. 443-453
Elie Sanchez: Importance in Knowledge systems. 455-464
R. Vandenberghe, Antoine A. van Schooten, Rita M. M. De Caluwe, Etienne E. Kerre: Some practical aspects of fuzzy database techniques: an example. 465-472
Maria Zemankova: FILIP: a fuzzy intelligent information system with learning capabilities. 473-486
Inaki Arrazola, Agnès Plainfossé, Henri Prade, Claudette Testemale: Extrapolation of fuzzy values from incomplete data bases. 487-492
Patrick Bosc, M. Galibourg: Indexing principles for a fuzzy data base. 493-499
John T. Dockery, Edward Murray: Fuzzy linguistic data bases: an application. 501-505
Bill P. Buckles, Frederick E. Petry, Yuet-Ying Cheung: Attribute grammars for the heuristic translation of query languages. 507-514