The World Wide Web is one of the greatest masterpieces created by the imaginative minds of human beings. It is a worldwide, read and write information space wherein you can find different items of information such as text documents, images, multimedia items, and others. Such items of information can be uploaded, downloaded, accessed, or cross-referenced in the simplest possible way.
And that simplest possible way is through the search engines.
Also known as search service, search engine refers to a specific program developed to help search various information stored on a computer system or resources such as the World Wide Web. It allows anybody to ask for any content meeting specified criteria (usually those containing a specific word or phrase), and the search engine will return a list of references that matches those criteria specified in the search. Search engines employ consistently-updated indexes in order to operate efficiently and display related results.
Search engines can be used on different environments (such as enterprise search engines that makes search on intranets or personal search engineers that involves search on individual personal computers). However, its most common applications is within the walls of the World Wide Web, the purpose of which is to retrieve different pieces of information stored on the web.
The convenience that resulted to the popularity of Web search engines among Internet users paved the way for the rise of different search engine, one of which is the Google Inc. which launched its first search engine results in 1998. The success for Google followed in 2001 which was based on the concept of PageRank (patented method of assigning numerical weight in each element of hyperlinked set of documents to measure its relative importance within the given set) and link popularity. The larger the number of websites and linked webpage, the more refined the result will be when a search will be done.
Until now, Google search engine still leads in terms of finding information over the World Wide Web. To accommodate large number of searches and probably add several new features to their search services, Google announced that it will go on public in April 30, 2004.
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