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Web Views

  • Reference work entry
  • First Online:
Encyclopedia of Database Systems

  • 19 Accesses

Synonyms

HTML fragment; Web views

Definition

Web Views are web pages or web page fragments that are automatically created from base data, which are typically stored in a database management system (DBMS).

Key Points

Although caching of HTML pages (and fragments) has been proposed in the literature as early as the mid-1990s, the term Web View was introduced in 1999 [2] to denote that these fragments are generated through queries made to a back-end DBMS.

The concept of a Web View facilitates the materialization of dynamically generated HTML fragments outside the DBMS. The main advantage of materializing Web Views (outside the DBMS, e.g., at the web server) is that the web server need not query the DBMS for every user request, thus greatly improving query response time for the user [3]. On the other hand, for the quality of the data returned to the user to be high, the system must keep materialized Web Views fresh (in the background). This essentially decouples the processing of queries...

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Recommended Reading

  1. Gupta H, Mumick IS. Selection of views to materialize under a maintenance cost constraint. In: Proceedings of the 7th International Conference on Database Theory; 1999. p. 453–70.

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  2. Labrinidis A, Roussopoulos N. Alexandros On the materialization of Web views. In: Proceedings of the ACM SIGMOD Workshop on the Web and Databases; 1999. p. 79–84.

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  3. Labrinidis A, Roussopoulo N Web View materialization. In: Proceedings of the ACM SIGMOD International Conference on Management of Data; 2000. p. 367–78.

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  4. Labrinidis A, Roussopoulos N. Update propagation strategies for improving the quality of data on the Web. In: Proceedings of the 27th International Conference on Very Large Data Bases; 2001. p. 391–400.

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  5. Labrinidis A, Roussopoulos N. Balancing performance and data freshness in Web database servers. In: Proceedings of the 29th International Conference on Very Large Data Bases; 2003. p. 393–404.

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  6. Labrinidis A, Roussopoulos N. Exploring the tradeoff between performance and data freshness in database-driven Web servers. VLDB J. 2004;13(3):240–55.

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Author information

Authors and Affiliations

  1. Department of Computer Science, University of Pittsburgh, Pittsburgh, PA, USA

    Alexandros Labrinidis

Authors
  1. Alexandros Labrinidis
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Corresponding author

Correspondence to Alexandros Labrinidis .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, GA, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, ON, Canada

    M. Tamer Özsu

Section Editor information

  1. Computer Science Dept., Athens Univ. of Economics and Business, Athens, Greece

    Yannis Kotidis

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Labrinidis, A. (2018). Web Views. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_853

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