Chapter 25 - Automated Web Search (Search Engines) Introduction A Description Of Functionality Browsing Vs. Automated Searching A Search Tool Helps Users Get Started Because the Internet is vast, finding information on a given topic can be difficult. Automated search tools help users by finding a set of pages that contain information related to the topic. A Search Tool Can Help Recover From Loss Automated Searching By Name

Chapter 25 - Automated Web Search (Search Engines) How An Automated Search Service Operates Because each search server gathers information and stores it on a local disk, the server does not need to search computers on the Internet when responding to a user's request. Modern Systems Search Web Page Contents How A Web Search Appears To A User How A Search Service Returns Results Automated Search Services Use String Matching The Advantages And Disadvantages Of String Matching

Chapter 25 - Automated Web Search (Search Engines) Advanced Search Programs That Use Multiple Keys Advanced Services Offer More Sophisticated Matching Because it has no intelligence, an automated search system cannot recognize common phrsases. Consequently, a user must be careful to remember that, unless otherwise specified, each word will be treated as an independent search item.

Chapter 25 - Automated Web Search (Search Engines) Personalized Search Results Some search engines keep information about users and use the information to select and order search results. As a consequence, the personalized search results that a user obtains may differ from the results another user obtains for the same request. How An Automated Content Search Works Searches Are Restricted Examples Of Automated Search Services Advertising Pays For Searching Significance Of Automated Web Search

Chapter 25 - Automated Web Search (Search Engines) Terms contents search document scanning automated search service search key string matching title search