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You are here: Home / Deep Web Research Papers / Crawling the Hidden Web

deepwebadmin / November 15, 2015

Crawling the Hidden Web

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Abstract:

Current-day crawlers retrieve content only from the publicly indexable Web, i.e., the set of Web pages reachable purely by following hypertext links, ignoring search forms and pages that require authorization or prior registration. In particular, they ignore the tremendous amount of high-quality content “hidden” behind search forms, in large searchable electronic databases. In this paper, we address the problem of designing a crawler capable of extracting content from this hidden Web.

We introduce a generic operational model of a hidden-Web crawler and describe how this model is realized in HiWE (Hidden Web Exposer), a prototype crawler built at Stanford.

We introduce a new Layout-based Information Extraction Technique (LITE) and demonstrate its use in automatically extracting semantic information from search forms and response pages. We also present results from experiments conducted to test and validate our techniques.

In this paper, we address the problem of building a hidden-Web crawler; one that can crawl and extract content from these hidden databases. Such a crawler will enable indexing, analysis, and mining of hidden Web content, akin to what is currently being achieved with the PIW. In addition, the content extracted by such crawlers can be used to categorize and classify the hidden databases

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Filed Under: Deep Web Research Papers Tagged With: deep web research papers

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Comments

  1. Ganesh Kumar S says

    July 14, 2017 at 10:39 am

    Ur information is good. Congrats.

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