Download Active, Real-Time, and Temporal Database Systems: Second by Joakim Eriksson (auth.), Sten F. Andler, Jörgen Hansson PDF

By Joakim Eriksson (auth.), Sten F. Andler, Jörgen Hansson (eds.)

Database structures of the subsequent iteration usually are inherently very complicated because of the range of necessities put on them. Incorporating energetic, actual time, and temporal virtues in a single database procedure is an laborious attempt yet can also be a commend capable one. This publication offers the court cases of the second one overseas Workshop on energetic, actual Time, and Temporal Database structures (ARTDB 97), held in Como, Milan, in September 1997. the purpose of the workshop was once to convey researchers jointly from the lively and genuine time learn groups, and to ascertain the present state-of-the-art in energetic, genuine time, and temporal database platforms. This booklet bargains a set of papers offered on the ARTDB ninety seven workshop. The papers, a lot of them representing knowledgeable and tenable effects, remove darkness from the feasibility of establishing database approach aiding reactive habit, whereas imposing timeliness and predictability. The ebook includes 9 papers rigorously reviewed and accredited through this system committee, 3 invited papers written by means of well known researchers within the box, and summaries of the panel discussions held on the workshop. this system committee obtained seventeen submissions, the place every one submission was once reviewed by means of not less than 3 application committee participants. the 2 panel periods interested by predictability concerns and on functional adventure of energetic, genuine time, and temporal database platforms. The ARTDB ninety seven workshop used to be held in cooperation with the IEEE Technical Committees on genuine Time platforms and Complexity in Computing, and the ACM distinct curiosity workforce on Manipulation of Data.

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Extra resources for Active, Real-Time, and Temporal Database Systems: Second International Workshop, ARTDB-97 Como, Italy, September 8–9, 1997 Proceedings

Example text

2 The Distributed World In this section we argue that the real-time database as well as the conventional database is going distributed. We observe that: The data number and size hence the database is getting bigger and bigger; the distribution of data has become a fact rather than an alternative; the network bandwidth has become a major factor compared to computer computation power. With the explosions of computation power and computer permeation, every information, either already exists or man-made, is entering the computer.

Dittrich, K. : Events in an Active Object-Oriented Database System. Technical Report Nr. 11, Institut fur Informatik, Universitat Zurich 1993 Gehani, N. , Jagadish, H. : Composite Event Speci cation in Active Databases: Model and Implementation. Proceedings of the 18th VLDB Conference Vancouver, British Columbia, Canada 1992a Gehani, N. , Jagadish, H. : Event Speci cation in an Active Object-Oriented Database. , Dittrich, K. : Performance Evaluation of an Active Database Management System: 007 Meets the BEAST.

A Cellular Database System for the 21st Century 45 Lets coin the term receptor for the de nition of both components. A receptor bears a locally unique name and lters messages of interest. It ignores all that do not pass both subtests and leaves it to the environment to forward it to another candidate cell. Once a message has been accepted it is interpreted by the cell nucleus. Commonly this results in moving part of the message to persistent store for future retrieval or updates of objects already stored.

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