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51 results about "Deep Web" patented technology

The deep web, invisible web, or hidden web are parts of the World Wide Web whose contents are not indexed by standard web search-engines. The opposite term to the deep web is the "surface web", which is accessible to anyone/everyone using the Internet. Computer-scientist Michael K. Bergman is credited with coining the term deep web in 2001 as a search-indexing term.

Automatic extraction method oriented to data of deep web pages

The invention discloses an automatic extraction method oriented to data of deep web pages, and belongs to the field of computer data mining. The automatic extraction method includes obtaining two deep web pages of the same website at first, and respectively marking the two deep web pages as a first page and a second page; converting HTML (hypertext markup language) documents of the first page and the second page into XHTML (extensible hypertext markup language) documents; then removing noise of the first page and the second page; eliminating repeated modes of the first page and the second page to generate a webpage data extraction wrapper; removing noise of the page with the data to be extracted at first when the page is extracted; marking the page by the webpage data extraction wrapped after the noise of the webpage is removed, and finally extracting the marked page. By the aid of the automatic extraction method, efficiency of a repeated mode elimination algorithm and efficiency of a matching algorithm are improved, extraction complexity is reduced, the matching algorithm and an extraction algorithm, which are designed according to characteristics of the repeated mode elimination algorithm, in the method are simple and speedy in process, and data extraction accuracy is improved.
Owner:CHONGQING UNIV
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