Evolution And Revolution In Search Engines

Evolution And Revolution In Search Engines

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However, one of the greatest benefits of Internet access is the use of search engines. At any time when you can have a question, or want to learn more about a particular subject, and that information can easily obtain the search engine. This article will give you a brief history of the development of a search engine, and show how they have really revolutionized our way of life.
The history of search engines is the story of university students in projects evolving into commercial enterprises and revolutionizing the field as they went. The first attempt to create a search engine was called Archie and it was created in 1990, Alan Emtage, a student at McGill University. This is a very primitive search engine does not use the robotic technology. All Archie was actually just released the names of the database archive file, which will try to match users 'queries'.
The next step in the evolution of search engine was the introduction of "spam." The first use of robotic technology has been in the Web search engine World Wide Wanderer. Just what the robots do not have to do is scan the Internet URL, from a site and use the links on the page above to find more sites. The first problem with these robots is that if not written properly, might cause many in a distribution server system performance.
To combat these problems early Martjin Koster came out with the first web directory called "ALIWEB" in October 1993. Web directories are different from search engines and sites that are in them are not automated robots, but human editors review sites and place them in the directory.
However, shortly afterwards, in December 1993, a new robot was born. This was called the "spider". Spiders added a much higher degree of accuracy by indexing the full text of a Web page. The robots are no longer index the URL and page title, which means that some relevant keywords could not be indexed. This classification has greatly improved the relevance of their results, so it was an important first step in the formation of the major search engines all so accustomed to using today.
Soon afterwards a spider, we have seen the emergence of some of the big guns. In 1994, out of Stanford University has become very popular for Yahoo. Two guys who started Yahoo were students, David Filo and JerryYang. In principle, the first Yahoo was just a list of favorite sites these guys'. But as soon as it is a simple user-friendly interface has become the most popular web directories. Due to the fact that the sites were all men-checked, Yahoo was the only index of about 1% of the network. At the time, Alta Vista was the fastest growing technology in the search engines spider was crawling up to 10 million pages per day.
At this point there are two different types of search engines, "author controlled", such as AltaVista and Excite, where the results were classified according to relevant keywords, and "the editor controlled", such as Yahoo, where people placed manually websites in their index.

Then, in late 1997 by Stanford University was the most popular and best-known-to-date search engine: Google, Google has a different way of positioning the site. Use the Page Rank system. Quite simply, what they did was to list their sites higher in results based on how many links were to show a specific site. Of course, the page content should be relevant to the search keywords. But in the end, Google came up with what we might call a voting system. So the number of back links to your site, or the vows of a higher order. Back link is when someone put a link to their site, which refers to other external sites. Go ahead and Google is now more than 80% of Internet sites to their index, which is quite impressive.

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