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WORLD WIDE WEB Click here to access and print notes for presentation. Boise State Educational Technology Outreach Program WORLD WIDE WEB -WWW Less than 2000 days olds (as of Nov 2000) 1 billion webpages and 50 million websites Hypertext - links to other info.

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world wide web
WORLD WIDE WEB

Click here to access and print notes for presentation.

Boise State Educational Technology Outreach Program

world wide web www
WORLD WIDE WEB -WWW
  • Less than 2000 days olds (as of Nov 2000)
  • 1 billion webpages and 50 million websites
  • Hypertext - links to other info.
  • Nonlinear.
  • Graphics, sounds, video are included in Hypermedia.
  • Web Browser Required - Mosaic, Netscape or Internet Explorer.

Boise State Educational Technology Outreach Program

web page addresses
WEB PAGE ADDRESSES

URL or Uniform Resource Locator

Double slashes followed by host computer. Name of File or directory on host.

http://www.thinker.org/index.html

Hypertext

Transfer Protocol is method of communication

Domain Name

Slash indicates you will access a file or directory.

Hypertext Markup Language. Can be read by WWW browser.

Fine Arts Museum of San Francisco.

Boise State Educational Technology Outreach Program

the web
Nonlinear

Large Database of Information

Updated Information

New possibilities for authoring and design

Easily Incorporates Multimedia

Disorientation

Meander Aimlessly

Cognitive Overload

Lack of Selectivity

Poor Instructional and Inconsistent Design

Copyright Issues

THE WEB

ADVANTAGES

DISADVANTAGES

Boise State Educational Technology Outreach Program

slide5

Don’t Get Caught in the Web!

Boise State Educational Technology Outreach Program

search engines strategies
SEARCH ENGINES STRATEGIES

Boise State Educational Technology Outreach Program

searching on the web
Searching on the Web
  • Search Engines: Ex. Altavista & Excite
  • Send out Agents or Robots to examine the Internet.
  • Keyword, Subject Searches or Both

Boise State Educational Technology Outreach Program

constructing a deep search boolean operators
CONSTRUCTING A DEEP SEARCH: BOOLEAN OPERATORS
  • Boolean Operators - connecting words - AND, OR, and NOT - that are used to create relationships among key words.
  • Named after English schoolteacher, George Boole, who invented an “algebra” of concepts and sets.

Boise State Educational Technology Outreach Program

slide9

The OROperator- retrieves all information that matches terms

Pie

Apple

Apple OR Pie

Boise State Educational Technology Outreach Program

the and operator narrows scope of search
The ANDOperator- narrows scope of search

Pie

Apple

Apple AND Pie

Boise State Educational Technology Outreach Program

slide11

The NOTOperator- narrows scope of search

Apple

Pie

Dutch

Apple AND Pie NOT Dutch

Boise State Educational Technology Outreach Program

search tips
Search Techniques vary by Search Engine.

Location of Key Words Differs.

Be Restrictive as Possible.

Rating Hits differs by Search Engine.

Some searches are case sensitive.

Use synonyms as much as possible.

Verify if words are truncated.

Commonly used words are excluded in searches.

Search Tips

Boise State Educational Technology Outreach Program

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