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*a web search engine is a ‘software system’ that is designed to search for information on the ‘world wide web’*
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(the ‘search results’ are generally presented in a line of results often referred to as “search engine results pages” (SERPs))
(the information may be a mix of ‘web pages’, ‘images’, and other types of ‘files’)
(some ‘search engines’ also mine ‘data’ available in ‘databases’ or ‘open directories’)
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(unlike ‘web directories’ (which are maintained only by ‘human editors’), ‘search engines’ also maintain ‘real-time information’ by running an ‘algorithm’ on a ‘web crawler’)
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