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PageRank (PR) is an algorithm used by Google Search to rank web pages in their search engine results. It is named after both the term "web page" and co-founder Larry Page. PageRank is a way of measuring the importance of website pages. According to Google:
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.
Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the Web by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. It is the most popular search engine worldwide.
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.
Year in Search (formerly Google Zeitgeist) is an annual list compiled and published by Google since 2001. [ 1 ] [ 2 ] The report highlights the most popular online search trends of the year, based on aggregate data from searches conducted worldwide, as tracked by Google Trends .
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.
A number of Internet commentators view this as the death of PageRank (the name for Google's system for ranking pages) and a significant decline in the quality of Google's search results. [11] [12] [13] 2003: February: Search algorithm update: Google announces the Boston update at SES Boston. The update saw major algorithmic changes and the ...
Quality Score is a metric used by Google, [1] Yahoo! [2] (called Quality Index), Facebook [3] (called Ad Quality) and Bing [4] that influences the ad rank and cost per click (CPC) of ads. To determine the position of the ad on a search engine, each ad is allocated using a process which takes into account the bid and the Quality Score.
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related to: google search ranking criteria