Definition: PageRank is an algorithm developed by Google co-founders Larry Page and Sergey Brin. It is used by Google's search engine to rank web pages in their search results. PageRank measures the importance of web pages based on the number and quality of links pointing to them, under the assumption that more important pages are likely to receive more links from other websites.
Functionality: PageRank operates by assessing the link structure of the internet and assigning a numerical weighting to each element of a hyperlinked set of documents. This score represents the probability that a person randomly clicking on links will arrive at any given page, thus helping determine the page's relevance and importance.
Impact: PageRank was a foundational technology that helped Google revolutionize web search, making it more efficient and relevant by leveraging the collective intelligence of the web. Although the original PageRank algorithm is not the only factor in search rankings today, its principles continue to influence the way Google evaluates and ranks web pages.
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