Lecture (Week 5)

Todays lecture was about using search engines.
Some search engines include-
Google
Yahoo
Ask Jeeves
City Search

Some problems you could face when using search engines are:

Not finding the information relating to your topic-
Determing how deep to tunnel through lower ranked pages
Building enormous indices
Misuse of page scoring, ranking

To avoid this you could basically try and use better key words
Guess a location
Use several search tools
Read search tips
Back up, select what you want
Use advanced search function

There are 3 categories of information on the web.

The free visible web
The free invisible web
Paid Data Bases over the web


Search Tools fall into two main categories.
Search Engines
Directories

A search engine is a web based application program that crawls the internet, creating indices of websites usually from the textual information.

Directories
Human Edited
Web pages are submitted to directories and then reviewed


The most reliable search engines are:

Google
Looksmart
Yahoo
About
DMOZ