Comparison of Search Engines: Altavista‚ Yahoo‚ and Excite Internet Exploration Project: Search Engine Analysis Introduction The use of search engines on the Internet is a very significant aspect towards attaining information ranging from research purposes‚ like stock quotes‚ to daily use such as the weather in your hometown. The ability to find information on these engines all depend on experience‚ knowledge of certain search techniques‚ and remembering the strengths and advantages of
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be enhanced by the use of Boolean operators. Even if most people are capable of using the internet without knowledge of Boolean operators‚ this essay brings out their usefulness. This essay therefore attempts to support the assertion that Boolean operators are key in searching for information in databases as well as the internet. Working definitions given in this paper are Boolean operators‚ information search‚ database and the internet. Following is the history of Boolean operators; how they are used
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In Search of Excellence: Review In Search of Excellence is a book dealing with many different principles of economics and what makes big business’ excellent. The first idea that Peters discusses is his chart of the McKinsey 7-S Framework. The graph is very simple but the ideas are fairly complex. In their research‚ they found that their philosophies were too hard to explain and easily forgettable. They made this Framework to deal with strategy‚ structure‚ style‚ systems‚ staff (people)
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How does Google search engine works?? Which search engine is the best..? Yahoo?? Bing?? Yandex?? Fine.. Let’s Google it! We know that Google tops the list without giving a second thought..Let’s see how it works. The web contains over 30 trillion pages and it keeps on increasing. To understand our query and to provide the most relevant solution is definitely not an easy task. So how do they pull it together? Google uses a automated program called Spiders or Crawlers. Spiders begin
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Full text search is a technique for searching a document or database stored in the computer. A full text search engine examines all the words‚ in every stored document‚ to find a match of the keyword searched by the user. Many web sites and application programs provide full-text search capabilities. There are quite a few choices when it comes to adding a full text search in a Ruby on Rails application. A choice can be made on the basis of the language the search engine is written in or the scalability
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Best-first search is a search algorithm which explores a graph by expanding the most promising node chosen according to a specified rule. Judea Pearl described best-first search as estimating the promise of node n by a "heuristic evaluation function f(n) which‚ in general‚ may depend on the description of n‚ the description of the goal‚ the information gathered by the search up to that point‚ and most important‚ on any extra knowledge about the problem domain."[1] [2] Some authors have used "best-first
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five criteria for the evaluation of search engines</div> <br>To effectively evaluate three different search engines from the perspective of an advanced web user‚ the following criteria were established: <br>1. Relevance and accuracy of search results <br>2. Search speed <br>3. Advanced search options <br>4. Other services <br>5. Site design and layout <br>More information about these criteria and how they were used is available below. <br> <br>2. Test three search engines against your criteria <br>For
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difficulty for them it is the least complex thing to do. As they perform it in a seconds. The principal thing you have to comprehend is something many refer to as Boolean rationale. Boolean rationale‚ initially created by George Boole in the mid 1800s‚ permits many sudden things to be mapped into bits and bytes. The considerable thing about Boolean rationale is that‚ once you get the hang of things you will clearly understand of how it works. What we consider in our everyday life includes discovering answer
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location of the search. Under the plain smell doctrine‚ an officer can use his sense of smell as probable cause to search if there is an articulable belief that the origination of the odor is an illegal substance‚ or if it indicates an exigent circumstance. Plain smell is a principle under the plain view rule‚ which basically states that evidence in plain view of an officer is not protected by the Fourth Amendment‚ as “seeing” the evidence in that capacity does not constitute a “search”. For the plain
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report we have chosen to analysis the innovation that is the ‘Google Search Engine’. We have chosen to base our report on the Google search engine; a revolutionary innovation that has transformed the way in which the internet is used. 1.1 Introduction Google began life as a research project between two Stanford University graduate students‚ Larry Page and Sergey Brin in January‚ 1996. They hypothesized that developing a search engine that analysed the relationships between websites would be more
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