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A Vision-based Approach for Deep Web Data Extraction

Vide: a vision-based approach for deep web data extraction

Deep web contents are accessed by queries submitted to web databases and the returned data records are enwrapped in dynamically generated web pages (they will be called deep web pages in this paper). Extracting structured data from deep web pages is a challenging problem due to the underlying intricate structures of such pages. Until now, a large number of techniques have been proposed to address this problem, but all of them have inherent limitations because they are web page programming language dependent. As the popular two-dimensional media, the contents on web pages are always displayed regularly for users to browse...

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