Intelligent Search Engine

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The search engine in English or a search engine is a computer program designed to help find the files needed by visitors to the virtual world, eg in a public server on the web (WWW). The search engines or search engine allows the access of the Internet to ask for media content with specific criteria (typically containing the desired word or phrase search) and get a list of files that meet these criteria.

Typically, search engines or search engine uses an index that was made before and updated regularly to find the file after the user enters the search criteria data. In the Internet world, search engine usually refers to the WWW (World Wide Web) and not the protocol or other areas. In addition, search engines collect data that is available on the news group, large databases, or open directories like DMOZ.org. Because the data collection process is done automatically, unlike search engine web directory of human work.

Most search engines run by private companies. Company search engine or the most popular search engine in the world is Google, Yahoo, and MSN Search.

How it Works Search Engines (Search Engine)
Search engines work by storing information about many sites are taken directly from the WWW. The pages are retrieved by automated web browser which follows every link he saw. Then, the contents of each page is analyzed to determine how to index it, for example, the words taken from the title, subtitle, or a specific field.

Data about web pages are stored in an index database for use in subsequent searches. Some search engines such as Google, store all or part of the page source or the so-called cache as well as information on the web page itself. In addition to web pages, search engines (search engines) also store and provide related information in the form of search results that refer to files, such as audio files, video files, images, photos, and other diverse information that increasingly continues to grow in accordance with the development of information technology.

When a user visits a search engine and enter key words, search engines typically index and provide a list of web pages that best fits the criteria and accompanied by a brief summary of the title documents, sometimes even displayed some of the text. There are other types of search engines, namely real-time search engine. Examples of real-time search engine, which is Orase. Machines like this do not use the index. The required information is collected if the machine is just a search.

When compared with systems that use index-based machines such as Google, real-time system is superior in some respects, the information always up to date, almost no dead links, and fewer system resources are required. However, there are also disadvantages, namely a longer quest completion.

Benefits search engine depends on the results it gives. Although there may be millions of web pages containing a word or phrase, some pages may be more relevant, popular, or authoritative than others. The majority of search engines use various methods to determine the ranking of search results to be able to give the best results. How engines determine which pages are most appropriate and the order of the pages shown, very varied. The methods also change over time with changes in Internet usage and evolve new techniques.

Google
Around 2001, the Google search engine to grow larger. This success is based on the basic concept of link popularity and PageRank. Each page is sorted by how many related sites. Google can sort search results based on how many web pages to the page it finds. Google homepage is preferred by users and this is growing on its competitors.

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Title Post: Intelligent Search Engine
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Author: Dede Purnama

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