The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

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Presentation transcript:

The World Wide Web: Information Resource

How a Search Engine works… How Search Works - YouTube

Hock, Randolph. The Extreme Searcher’s Internet Handbook. 2 nd ed. CyberAge Books: Medford. (2007). Internet Worldwide network of networks based on the TCP/IP protocol. (WWW + Invisible Web) World Wide Web Portion of the Internet that uses http to transmit files. Files are typically written in HTML code and viewable using a browser, allowing a hypertext point-and-click navigation of text and incorporation of images and other types of media and formats.

Types of SEARCHING Directories Yahoo Directory Search Engines Google Yahoo Ask.com Dogpile Clusty

When to use a DIRECTORY? When you know you need something more specific than what you have. When BROWSING through topics would help you narrow your focus. Search for websites with information about “great white sharks.”

DIRECTORIES Selectivity Classification Only index the main page of websites Small database (compared to WWW) May not include websites that address very specific topics Some accept PAID inclusion

Search Engines “Programs that accept a user’s query, search a database, and return to the user those records matching the query” (Hock, 280).

Search Engines Query – The keyword, term, or phrase typed into the field of a search engine to find a website with information for which you are searching. Brain storm topics and queries.

Definitions Internet World Wide Web Directory Search Engine Query Browser Website URL

Internet Worldwide network of networks based on the TCP/IP protocol.

World Wide Web Portion of the Internet that uses http to transmit files. Files are typically written in HTML code and viewable using a browser, allowing a hypertext point-and-click navigation of text. Also incorporates images and other types of media and formats.

Directory “Collection of Web page records classified by subject to allow easy browsing of the collection” (Hock, 277).

Search Engine “A computer program that retrieves documents or files or data from a database or from a computer network (especially from the Internet).” (Web Search Lesson Plan: Start Your Engines,

Query The keyword or phrase typed into the blank field of a search engine to find a website with information for which you are searching.

Browser “A program used to view HTML documents.” Examples: Internet Explorer Safari Firefox Netscape (Web Search Lesson Plan: Start Your Engines,

Website “A collection of web pages, a collection of links between pages, programs that do services (such as look up things).” (Web Search Lesson Plan: Start Your Engines,

URL Uniform Resource Locator. The address where a website is located on the World Wide Web.