the world wide web: information resource. how a search engine works… how search works - youtube

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The World Wide Web: The World Wide Web: Information Resource Information Resource

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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.

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Page 1: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

The World Wide Web:The World Wide Web:Information ResourceInformation Resource

Page 2: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

How a Search Engine works…How a Search Engine works…

How Search Works - YouTube

http://youtu.be/BNHR6IQJGZs

Page 3: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

Hock, Randolph. Hock, Randolph. The Extreme Searcher’s Internet Handbook. 2The Extreme Searcher’s Internet Handbook. 2ndnd ed. CyberAge ed. CyberAge Books: Medford. (2007).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.

Page 4: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

Types of SEARCHINGTypes of SEARCHING

Directories

Yahoo Directory

Search Engines

GoogleYahooAsk.comDogpileClusty

Page 5: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

When to use a DIRECTORY?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.

http://dir.yahoo.com/?skw=yahoo+directory

Search for websites with information about “great white sharks.”

Page 6: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

DIRECTORIESDIRECTORIES

SelectivityClassificationOnly index the main page of websitesSmall database (compared to WWW)May not include websites that address

very specific topicsSome accept PAID inclusion

Page 7: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

Search EnginesSearch Engines

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

280).

Page 8: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

Search EnginesSearch 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.

http://www.google.com/

Page 9: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

DefinitionsDefinitions

InternetWorld Wide WebDirectorySearch EngineQueryBrowserWebsiteURL

Page 10: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

InternetInternet

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

Page 11: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

World Wide WebWorld 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.

Page 12: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

DirectoryDirectory

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

Page 13: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

Search EngineSearch 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, https://docs.google.com/View?id=dfvwdtqp_51gw7326d7)

Page 14: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

QueryQuery

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

Page 15: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

BrowserBrowser

“A program used to view HTML documents.”

Examples:• Internet Explorer• Safari• Firefox• Netscape

(Web Search Lesson Plan: Start Your Engines, https://docs.google.com/View?id=dfvwdtqp_51gw7326d7)

Page 16: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

WebsiteWebsite

“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, https://docs.google.com/View?id=dfvwdtqp_51gw7326d7)

Page 17: The World Wide Web: Information Resource. How a Search Engine works… How Search Works - YouTube

URLURL

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