Multi-Media Database Language SL/B5 based on Screen Flow.

Fumio Kitagawa, Hideto Ikeda: Multi-Media Database Language SL/B5 based on Screen Flow. DASFAA 1989: 173-181
  author    = {Fumio Kitagawa and
               Hideto Ikeda},
  editor    = {Sukho Lee and
               Hideko S. Kunii and
               Won Kim and
               In Sup Paik and
               Yahiko Kambayashi},
  title     = {Multi-Media Database Language SL/B5 based on Screen Flow},
  booktitle = {International Symposium on Database Systems for Advanced Applications,
               Seoul, Korea, April 10-12, 1989},
  publisher = {Dept. of Computer Science, KAIST, P.O. Box 150, ChongRyang, Seoul,
               131-650, Korea},
  year      = {1989},
  pages     = {173-181},
  ee        = {db/conf/dasfaa/KitagawaI89.html},
  crossref  = {DBLP:conf/dasfaa/89},
  bibsource = {DBLP,}


A very significant goal for multi-media database systems (MMDBS) is the integrated management of unstructured data such as drawings, images, text and voice as well as formatted or structured data. So it is required for MMDBS to harmonize both multi-media data storage and processing capabilities. Traditional technology for data management is based on storage and retrieval of structured data of numerics and characters. But the current technological environment is not sufficient to implement practical application systems in the storage and processing of unstructured data. In order to overcome the problems involved in implementing MMDBS, this paper proposes a new multi-media data processing language SL/B5 based on screen flow. A program of SL/B5 is represented by a collection of screens which are connected through what we have termed "screen call". The specifications of each screen may be divided into four parts, IMAGE for formatting multi-media data on a display terminal with speakers, FUNCTION for data entries and transformations, DATABASE for database accesses and CALL for conditional call of other screens with parameters. The database is a collection of 5-tuple ( value, data type, attribute, entity, term of validity) which can include multi-media objects, meta-data, user information, security and integrity specification. The special database structure is called B5 structure. SL/B5 provides us powerful, flexible and friendly multi-media data processing capabilities based on flexible database structure B5. SL/B5 was specially designed to support development of information systems by naive end-users in considering the harmonization to B5.

Copyright © 1989 by The Organizing Commitee of the International Symposium on Database Systems for Advanced Applications. Permission to copy without all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the DASFAA copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Organizing Commitee of the International Symposium on Database Systems for Advanced Applications. To copy otherwise, or to republish, requires a fee and/or special permission from the Organizing Commitee.

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