Maintaining Consistency of Data on the Web
Martin Bernauer

TL;DR
This paper addresses the challenge of maintaining data consistency across Web pages and relational databases by proposing an incremental update approach that ensures data remains synchronized after modifications.
Contribution
It introduces a combined method for maintaining data consistency in Web pages and databases through incremental updates rather than full regeneration.
Findings
Immediate propagation of base data modifications to affected Web pages.
Incremental maintenance reduces update time compared to full regeneration.
Effective synchronization of replicated and derived data on the Web.
Abstract
Increasingly more data is becoming available on the Web, estimates speaking of 1 billion documents in 2002. Most of the documents are Web pages whose data is considered to be in XML format, expecting it to eventually replace HTML. A common problem in designing and maintaining a Web site is that data on a Web page often replicates or derives from other data, the so-called base data, that is usually not contained in the deriving or replicating page. Consequently, replicas and derivations become inconsistent upon modifying base data in a Web page or a relational database. For example, after assigning a thesis to a student and modifying the Web page that describes it in detail, the thesis is still incorrectly contained in the list of offered thesis, missing in the list of ongoing thesis, and missing in the advisor's teaching record. The thesis presents a solution by proposing a combined…
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Taxonomy
TopicsAdvanced Database Systems and Queries · Web Data Mining and Analysis · Algorithms and Data Compression
