Search-engine meaning

The definition of a search engine is a computer program used to find specific websites on the Internet or to find desired information on the Internet.

Google is an example of a search engine.

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A website whose primary function is providing a search engine for gathering and reporting information available on the Internet or a portion of the Internet.
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Software that looks for data that match the criteria in a query. Although search engines have been around for decades, they were brought to the forefront after the Web exploded onto the scene. Search engines differ in the way they find and index the content on the Web and the way they search those indexes to locate matches.Although a search engine is technically the software and algorithms used to perform a search, the term has become synonymous with the complete service, such as the Google, Yahoo! and Bing search engines. See spider, SERP, Web search engines, vertical search engine, organic search results, search engine optimization and social search engine.
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A program that searches a database of documents and files for information.The search looks for keywords or exact phrases found in titles or text. See also database.
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An online tool that permits a researcher to type in keywords and returns a selection of Internet sources for information on that keyword (known as hits). There are two main search engines for legal research, and both are based upon subscription for fees: Lexis and Westlaw.
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Application software that develops and maintains resource directories of documents and files found on the Internet that it searches using key words or phrases.A search engine can be restricted to a single website, or can search across many sites on the public Internet. See also Internet and software.
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Existing in a variety of types, all search engines procure information but organize it in a variety of unique ways, which is why there are so many different search engines. At a basic level, a search engine is one of two things: a Robot or a Directory. Though some search engines combine features of both, most are predominantly either Robots or Directories. A Robot uses a software program to search, catalog, and then organize information on the Internet. Organization of data can be completed in a number of ways—including through a harvester, robot, spider, wanderer, and worm—and employing diverse ways of searching Websites to gather data. Directory search engines do not search on the Internet for information but rather obtain it from individuals who enter it into the search engine’s database. Because each Directory has its own means to categorize information, multitudes of them exist. In March 2005, Google, Inc., a popular search engine, released its first official version of its free software for finding information stored on computer hard drives. The software scours hard drives for information contained in Adobe Acrobat’s portable document format (known as PDF), and it scours music, video files, and email content. On Saturday, May 7, 2005, the Google, Inc. search engine went down from 6:45 p.m. until 7:00 pm. Eastern Time. Google spokesman David Krane said that the problem was not a crack attack, as many people thought, but a problem related to the DNS or Domain Name System. He did not elaborate. Churilla, K. Secrets of Searching the Web & Promoting Your Website. [Online, 2004.] Gocee Company Website. http://www.gocee.com/eureka/e_sedef.htm; Google Admin. Google Down? Getting 404! Google Hacked? [Online, May 9, 2005.] Search Engine Forums Website. http://www.submitexpress.com/bbs/post-1601.html&highlight=&sid= cdfcb4b3aa56cdca7df35ed920dd8079; In Brief. Google’s Official Desktop Search Software Released. The Globe and Mail, March 10, 2005, p. B10.
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(computing) An application that searches for, and retrieves, data based on some criteria, especially one that searches the Internet for documents containing specified words.
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A software program that searches a database and gathers and reports information that contains or is related to specified terms.
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Software designed to examine documents, websites, etc. in order to locate items on a specified topic or having a given property.
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A website designed to search the Internet in this manner, as a service to its customers.
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