Dynamic and structured presentation of database contents on the Web

Motomichi Toyama, Takuhiro Nagafuji

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)


Attractive presentation of database contents is a key component of Web-based businesses. TFE (Target Form Expression) is a database publishing/presentation extension of SQL that yields a query result presented as a document in any of several target media, for example, HTML, Java, LaTeX. When a Web (HTML) document is the target medium, TFE yields intra-page and inter-page hierarchical structures in arbitrary size and complexity. The inter-page structures are automatically-generated hyper-links which allow the resulting Web document to be browsed in a fashion similar to drill down in a data warehouse. In this paper, we introduce a new primitive of TFE that allows the invocation of another query. Combined with the incremental evaluation of invoked queries, it improves both efficiency and functionality compared to monolithic and static implementations. The improved functionality includes recursive navigation. A small number of query rewriting rules are provided to show the equivalence of a query and its decompositions. Incremental query evaluation gives application system an enhanced capability for designing database/Web applications to meet performance and functionality requirements while retaining simplicity of description. A new diagramming method called Database Presentation Diagram is also introduced to visualize the structures of a set of queries and the presentation produced with them.

Original languageEnglish
Title of host publicationAdvances in Database Technology, EDBT 1998 - 6th International Conference on Extending Database Technology, Proceedings
PublisherSpringer Verlag
Number of pages15
ISBN (Print)3540642641, 9783540642640
Publication statusPublished - 1998
Event6th International Conference on Extending Database Technology, EDBT 1998 - Valencia, Spain
Duration: 1998 Mar 231998 Mar 27

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume1377 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Other6th International Conference on Extending Database Technology, EDBT 1998

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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