1. 1 Search Engines Emphasis on Google.com

2. 2 Discovery  Discovery is done by browsing & searching data on the Web.  There are 2 main types of search facilities available on the Web: 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. General Search Engines Meta Search (meta crawler, dogpile) Pay Per Click (Overture, FindWhat) Searchable databases – “Invisible Web” –i.e – Library Databases Directories (e.g., Yahoo!, About.com) provide a hierarchically organized collection of links to Web pages. Subject Guides (About.com, Ask Jeeves)

3. 3 Other Types http://www.adept-productions.com/search-engine-categories-south-florida.htm http://www.adept-productions.com/search-engine-categories-south-florida.htm  Shopping (mySimon, Amazon)  News (Google News)  People (Switchboard)  Computing/Internet (allwhois.com)  Business (Business.com)  Entertainment (Movies – imdb.com)

4. 4 Web-browsing Assisting Agents  Intelligent Agents are computer programs that carry out a set of routine computer tasks on behalf of the user.  Some agents can facilitate browsing by offering the user a tour guide of the Internet. They work while the user browses.  FAQ agents guide people to answers of frequently asked questions. The agent (such as FAQFinder) addresses large numbers of FAQ files and provides an interface by which people can post their questions. AskJeeves ( askjeeves.com ) is an example of a FAQ assistant.

5. 5 Web-browsing Assisting Agents (cont.)  Web robots, spiders, and wanderers travel the Web and perform tasks such as information retrieval and discovery, validating links or HTML, and generating statistics.  Indexing agents can carry out a massive autonomous search of the Web on behalf of a user or, more commonly, of a search engine.  Metasearch engines integrate the findings of the various search engines to answer queries posted by the users.  Internet softbots attempt to determine more specifically what the user wants and can better focus a search.

6. 6 Google  Web  Images  Groups  Directory  News – 4,500 news sources  Language Translator

7. 7 Google “Web”  Search – Limit Searches Articles – search site:company US Government sites – google.com/unclesamgoogle.com/unclesam  Features Calculator Definitions Phone # search – enter phone # or phonebook:name city Stocks – stocks:ibm

8. 8 Google Services & Tools  Search Bar – Plug-in for web browser  Voice Search Voice Search  Blogger  Froogle (Product search/comparison tool  Catalogs  Labs  Language  University Search