Journal of Database Management articles from April 2000

Journal of Database Management archives from April 2000

Database Cooperation: Classification and Middleware Tools(1).(Technology Information)
April 1, 2000... We propose new criteria for the classification of systems for database cooperation, based on the nature of the component databases. In fact, the traditional criteria -- heterogeneity, distribution, and autonomy -- are often constraints for the...

Binary Equivalents of Ternary Relationships in Entity-Relationship Modeling: A Logical Decomposition Approach.(Technology Information)
April 1, 2000... Little work has been completed which addresses the logical composition and use of ternary relationships in entity-relationship modeling. Many modeling notations and most CASE tools do not allow for ternary relationships. Alternative methods and...

Simplifying the Formulation of a Wide Range of Object-Oriented Complex Queries.(Technology Information)
April 1, 2000... We present a model that simplifies the formulation of a wide range of complex, mainly selection-based, object-oriented queries, including linear recursive queries. They are complex because it is almost impossible for naive users to predict the...

XML: Filling a Data-Description Gap, Part II.(Technology Information)
April 1, 2000... In Part I, we discussed the origin of Extensible Markup Language (XML) and its improvements over Hypertext Markup Language (HTML). With the ability to describe the data it contains, XML is poised to become an integral piece of a wide variety of...

Managing EXPERT POWER in Information Technology.(Industry Trend or Event)
April 1, 2000... Introduction Computing, database, and networking systems have infiltrated every corner of today's business organizations. Consequently, the influence of lower level information technology (IT) employees on decisions about business...

Web Security and Commerce.(by Simson Garfunkel and Gene Spafford)(Review)
April 1, 2000... Web Security and Commerce, by Simson Garfunkel and Gene Spafford. O'Reilly & Associates. 1999, $32.95. Security issues have always been important in computing and communications environments, but they have recently become more critical as...