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Deep web efficacy: a knowledge perspective


Since the start of the civilization knowledge extraction is fascinating and during the era of WWW, the knowledge has found strong root in HTML documents and electronic databases, sometimes in the proprietary hardware and also in the cloud storage. The means of acquiring knowledge is through accessing the information which utilizes the web crawlers. Contemporary crawlers cannot crawl and index the information stored in databases unless web search interface forms carry required data which need to be filled by information seeker to fetch the information on demand. The research on the abilities of web crawlers and the efforts to design crawlers to extract this data hidden in the electronic databases (by automatic filling search interfaces and by other mechanisms) has begun in the first decade of twenty first century...

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