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Search-engine
A search engine is a software system designed to carry out web searches. They search the World Wide Web in a systematic way for particular information specified in a textual web search query. The search results are generally presented in a line of results, often referred to as search engine results pages (SERPs). When a user enters a query into a search engine, the engine scans its index of web pages to find those that are relevant to the user's query. The results are then ranked by relevancy and displayed to the user. The information may be a mix of links to web pages, images, videos, infographics, articles, research papers, and other types of files. Some search engines also mine data available in databases or open directories. Unlike web directories and social bookmarking sites, which are maintained by human editors, search engines also maintain real-time information by running an algorithm on a web crawler. Any internet-based content that can't be indexed and searched b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WebCrawler
WebCrawler is a search engine, and one of the oldest surviving search engines on the web today. For many years, it operated as a metasearch engine. WebCrawler was the first web search engine to provide full text search. History Brian Pinkerton first started working on WebCrawler, which was originally a desktop application, on January 27, 1994 at the University of Washington. On March 15, 1994, he generated a list of the top 25 websites. WebCrawler launched on April 21, 1994, with more than 4,000 different websites in its database and on November 14, 1994, WebCrawler served its 1 millionth search query for "nuclear weapons design and research". On December 1, 1994, WebCrawler acquired two sponsors, DealerNet and Starwave, which provided money to keep WebCrawler operating. Starting on October 3, 1995, WebCrawler was fully supported by advertising, but separated the adverts from search results. On June 1, 1995, America Online (AOL) acquired WebCrawler. After being acquired by A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
