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  2. PageRank - Wikipedia

    en.wikipedia.org/wiki/PageRank

    PageRank is Google's indication of its assessment of the reputation of a webpage: It is non-keyword specific. Google uses a combination of webpage and website authority to determine the overall authority of a webpage competing for a keyword. [47] The PageRank of the HomePage of a website is the best indication Google offers for website ...

  3. Search engine optimization metrics - Wikipedia

    en.wikipedia.org/wiki/Search_engine_optimization...

    Google PageRank (Google PR) is one of the methods Google uses to determine a page's relevance or importance. Important pages receive a higher PageRank and are more likely to appear at the top of the search results. Google PageRank (PR) is a measure from 0 - 10. Google PageRank is based on backlinks.

  4. Google matrix - Wikipedia

    en.wikipedia.org/wiki/Google_matrix

    Fig.1. Google matrix of Wikipedia articles network, written in the bases of PageRank index; fragment of top 200 X 200 matrix elements is shown, total size N=3282257 (from [1]) A Google matrix is a particular stochastic matrix that is used by Google's PageRank algorithm. The matrix represents a graph with edges representing links between pages.

  5. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    A PDF creator and virtual PDF printer for Microsoft Windows PDF-XChange: Proprietary: Yes: PDF Tools allows creation of PDFs from many types of source input (images, scans, etc.). The PDF-XChange print driver allows printing directly to a PDF. A "lite" version of the print driver is free for non-commercial (home and academic) use. PrimoPDF ...

  6. Ranking (information retrieval) - Wikipedia

    en.wikipedia.org/wiki/Ranking_(information...

    Ranking of query is one of the fundamental problems in information retrieval (IR), [1] the scientific/engineering discipline behind search engines. [2] Given a query q and a collection D of documents that match the query, the problem is to rank, that is, sort, the documents in D according to some criterion so that the "best" results appear early in the result list displayed to the user.

  7. Qiqqa - Wikipedia

    en.wikipedia.org/wiki/Qiqqa

    Qiqqa (pronounced "Quicker") is a free and open-source [1] [2] software that allows researchers to work with thousands of PDFs. [3] It combines PDF reference management tools, a citation manager, and a mind map brainstorming tool.

  8. Centrality - Wikipedia

    en.wikipedia.org/wiki/Centrality

    The pagerank is a highly unstable measure, showing frequent rank reversals after small adjustments of the jump parameter. [18] While the failure of centrality indices to generalize to the rest of the network may at first seem counter-intuitive, it follows directly from the above definitions. Complex networks have heterogeneous topology.

  9. HITS algorithm - Wikipedia

    en.wikipedia.org/wiki/HITS_algorithm

    Hyperlink-Induced Topic Search (HITS; also known as hubs and authorities) is a link analysis algorithm that rates Web pages, developed by Jon Kleinberg.The idea behind Hubs and Authorities stemmed from a particular insight into the creation of web pages when the Internet was originally forming; that is, certain web pages, known as hubs, served as large directories that were not actually ...