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Mastering Internet Search Engines

Learn how search engines work, top engines like Google & Yahoo, effective search techniques, and tips for better results. Enhance your online searching skills with this comprehensive guide. Discover the power of search algorithms and how to refine your queries for accurate results.

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Mastering Internet Search Engines

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  1. CSCI-235Micro-Computer in Science Internet Search

  2. Searching on the Web • Search Engines- help to find sites related to a specific topic. • One enters queries or keywords, search engine will return many links containing those words. Some will rank the relevancy of the links depending on how many times the words appeared in the pages.

  3. Search Engine • Each Search engine builds its own database of web pages. • Some engines: Google, Altavista, Yahoo, Bing, Infoseek, Excite • Google and Altavista return the links containing the keywords. It brings back too many irrelevant hits, it is best used for very specific information. • Yahoo categorizes data and then let you search when the topic has been narrowed down somewhat producing more relevant results. • No search engine is best

  4. Popular Web Search Engines

  5. Search Techniques • A search engine has its own searching rules. • A good guide: http://www.windweaver.com/searchguide.htm • Some tips: • Try multiple search engines on one query • Use quotes around a string of words • Use AND , OR, and NOT to narrow down the topic • And - Includes all findings of both key words • Or - Looks for only one of the specified key words • Not - Allows you to exclude certain key words • Use + (-) in front of words to make sure the word is included (excluded)

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