A Formal Comparison of Visual Web Wrapper Generators
Georg Gottlob, Christoph Koch
TL;DR
This paper provides a formal comparison of the core language used in Lixto's visual web wrapper generator with other wrapping languages, highlighting differences and similarities in their formal properties.
Contribution
It offers a formal analysis of Elog and compares it to alternative web wrapping languages, clarifying their relative strengths and limitations.
Findings
Elog's core fragment is formally characterized.
Comparison reveals key differences between Elog and other languages.
Insights into the suitability of different languages for web wrapping tasks.
Abstract
We study the core fragment of the Elog wrapping language used in the Lixto system (a visual wrapper generator) and formally compare Elog to other wrapping languages proposed in the literature.
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Taxonomy
TopicsInteractive and Immersive Displays · Model-Driven Software Engineering Techniques · Data Visualization and Analytics