Finding Information on the Web I

Tom Kelliher, CS 102

Feb. 24, 2003

Administrivia

Announcements

Collect assignment; quiz at end of class.

Assignment

Read 6.4--6.6. Online quiz. Questions on pg. 361: 8--12.

From Last Time

Wrapped-up online security.

Outline

1. Introduction.

2. Lab.

Coming Up

Finding Information on the Web II.

Introduction

1. Everyone knows about Yahoo and Google. What else is there.

2. Use the proper tool for the job:
   1. Explorer questions: Subject tree or clearinghouse.
   2. Deep thought questions: Subject tree or specialized search engine.
   3. Joe Friday: Subject tree or general search engine.
   May have to ask more than one question and/or ``re-phrase'' your questions.

3. Examples:
   1. Subject trees: Yahoo, About.com, Zeal.com.
   2. Clearinghouses: Internet Public Library (www.ipl.org), Privacy Rights Clearinghouse (www.privacyrights.org), Science, Mathematics, and Environmental Education (www.ericse.org).
   3. Specialized search engines: Froogle, MedHunt (www.hon.ch/MedHunt), SearchGov.com.
   4. General search engines: Google, Teoma, AllTheWeb.

4. Meta search engines.

Lab

Refer to handout.