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Recognition of common areas in a Web page using visual information: a possible application in a page classification

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4 Author(s)
M. Kovacevic ; Sch. of Civil Eng., Belgrade Univ., Serbia ; M. Diligenti ; M. Gori ; V. Milutinovic

Extracting and processing information from Web pages is an important task in many areas like constructing search engines, information retrieval, and data mining from the Web. A common approach in the extraction process is to represent a page as a "bag of words" and then to perform additional processing on such a flat representation. We propose a new, hierarchical representation that includes browser screen coordinates for every HTML object in a page. Using visual information one is able to define heuristics for the recognition of common page areas such as header, left and right menu, footer and center of a page. We show in initial experiments that using our heuristics defined objects are recognized properly in 73% of cases. Finally, we show that a Naive Bayes classifier, taking into account the proposed representation, clearly outperforms the same classifier using only information about the content of documents.

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Data Mining, 2002. ICDM 2003. Proceedings. 2002 IEEE International Conference on

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