香港六合彩 » SlideShare

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威喘着粗气,冥思苦想,终于记起不久前那家香港六合彩常去的夜总会里玩了几个外国的小姐,或许当时姑娘们未经香港六合彩事的呼救与反抗击起身体里的兽性,一时兴奋,竟然连套子也忘记带了。香港六合彩狠狠一排脑袋,叫道:妈的,贱香港六合彩,竟敢用有病的女香港六合彩阴我!香港六合彩一把揪住一名保镖的脖领子,喝道:去,香港六合彩把那家咱们常去的夜总会老板、妈妈桑,还有那几个外国的贱香港六合彩统统抓回来,妈的,我活不了,香港六合彩谁也别想活!保镖们见杜庭威象疯了一般,手脚乱舞,吐沫

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香港六合彩 » SlideShare

  1. 1. Search Engines Emphasis on Google.com
  2. 2. Discovery <ul><li>Discovery is done by browsing & searching data on the Web. </li></ul><ul><li>There are 2 main types of search facilities available on the Web: </li></ul><ul><ul><li>Search engines (e.g., Altavista, Google) maintain an index of hundreds of millions of Web pages and use that index to find pages that match a set of user-specified keywords. </li></ul></ul><ul><ul><ul><li>General Search Engines </li></ul></ul></ul><ul><ul><ul><li>Meta Search (meta crawler, dogpile) </li></ul></ul></ul><ul><ul><ul><li>Pay Per Click (Overture, FindWhat) </li></ul></ul></ul><ul><ul><ul><li>Searchable databases – “Invisible Web” </li></ul></ul></ul><ul><ul><ul><ul><li>i.e – Library Databases </li></ul></ul></ul></ul><ul><ul><li>Directories (e.g., Yahoo!, About.com) provide a hierarchically organized collection of links to Web pages. </li></ul></ul><ul><ul><ul><li>Subject Guides (About.com, Ask Jeeves) </li></ul></ul></ul>
  3. 3. Other Types http://www.adept-productions.com/search-engine-categories-south-florida.htm <ul><li>Shopping (mySimon, Amazon) </li></ul><ul><li>News (Google News) </li></ul><ul><li>People (Switchboard) </li></ul><ul><li>Computing/Internet (allwhois.com) </li></ul><ul><li>Business (Business.com) </li></ul><ul><li>Entertainment (Movies – imdb.com) </li></ul>
  4. 4. Web-browsing Assisting Agents <ul><li>Intelligent Agents are computer programs that carry out a set of routine computer tasks on behalf of the user. </li></ul><ul><li>Some agents can facilitate browsing by offering the user a tour guide of the Internet. They work while the user browses. </li></ul><ul><li>FAQ agents guide people to answers of frequently asked questions. </li></ul><ul><ul><li>The agent (such as FAQFinder) addresses large numbers of FAQ files and provides an interface by which people can post their questions. </li></ul></ul><ul><ul><li>AskJeeves ( askjeeves.com ) is an example of a FAQ assistant. </li></ul></ul>
  5. 5. Web-browsing Assisting Agents (cont.) <ul><li>Web robots , spiders , and wanderers travel the Web and perform tasks such as information retrieval and discovery, validating links or HTML, and generating statistics. </li></ul><ul><li>Indexing agents can carry out a massive autonomous search of the Web on behalf of a user or, more commonly, of a search engine . </li></ul><ul><li>Metasearch engines integrate the findings of the various search engines to answer queries posted by the users. </li></ul><ul><li>Internet softbots attempt to determine more specifically what the user wants and can better focus a search. </li></ul>
  6. 6. Google <ul><li>Web </li></ul><ul><li>Images </li></ul><ul><li>Groups </li></ul><ul><li>Directory </li></ul><ul><li>News – 4,500 news sources </li></ul><ul><li>Language Translator </li></ul>
  7. 7. Google “Web” <ul><li>Search – Limit Searches </li></ul><ul><ul><li>Articles – search site:company </li></ul></ul><ul><ul><li>US Government sites – google.com/unclesam </li></ul></ul><ul><li>Features </li></ul><ul><ul><li>Calculator </li></ul></ul><ul><ul><li>Definitions </li></ul></ul><ul><ul><li>Phone # search – enter phone # or phonebook:name city </li></ul></ul><ul><ul><li>Stocks – stocks:ibm </li></ul></ul>
  8. 8. Google Services & Tools <ul><li>Search Bar – Plug-in for web browser </li></ul><ul><li>Voice Search </li></ul><ul><li>Blogger </li></ul><ul><li>Froogle (Product search/comparison tool </li></ul><ul><li>Catalogs </li></ul><ul><li>Labs </li></ul><ul><li>Language </li></ul><ul><li>University Search </li></ul>

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