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Summary for search engines
Student name: ahmed abudayya
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Before the advent of the web there were search engines for old systems or protocols, such as a search engine for
sites Erkki Archie PCC anonymous FTP and search engine eroniqa Veronica Gopher
Protocol Gopher.
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If we know that the presence of pre-Web and Web search engines exist, the question that jumps to
mind is: what was happening before that there are these
engines ?How can the user find what he
wants ?
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Probably will not today imagine how hard it is at the time; he was a
researcher needs to know the exact address for the page you want. Any of what we know
today as 'URLThe URL is a mixture of a fixed sequence of
addresses, names, file types, some mandatory and others optional
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During the two years of the emergence of Gopher form the developer, web servers, the
giant began to appear, which allow the use of hyperlinks and text search
chart review. The first Web search engine is the Wandex ,based on an index compiled Rover Web World
Wide Web Wanderer, a creepy spider web crawler was developed at the Massachusetts
Institute of Technology MIT in 1993
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This roaming is the first application of robotics programs, which are programs that
are specific functions are no hard and fast frequent human beings is impossible to do,
you can imagine its work by imagining an army of intelligent robots are sorting out and
call the millions of millions of objects in the parts of a second.
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Also appeared very early in 1993, another search engine is Aljub Aliweb, is still in force
today
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The first is based on a search engine crawler Spider to the full text and Bakrowler was
WebCrawler, which came into existence in 1994, from the University of Washington. In
contrast to his predecessors.,
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have left users searching for any word on any web page, not only the titles of pages and
sites, which became the basis of all the major search engines since that time. Bakrowler
was also the first search engine known to the public on a large scale. also came to Lycos
Lycos( which started at Carnegie Mellon Carneigie
Mellon University )and became a big commercial project
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Shortly thereafter, he appeared many search engines and competed on the boom. Among
these were the Excite Excite, Inphusik Infoseek, Inktomi Inktomi, Northern Light
Northern Light, and Oltaڤista Alta Vista. In
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some cases competed with popular directories such as Yahoo, Yahoo.
Subsequently, the technology incorporated into the evidence with a search engine for
greater performance of functions