|
ADVANTAGES |
DISADVANTAGES |
EXAMPLES |
Directories Web sites are organised into categories and subcategories, usually
with comments on the contents of the sites. Most provide a
searchable index. |
Sites reviewed and categorised by
humans. Fewer but more relevant results if
you search within categories.
In specific subject areas, can be very useful
indeed |
Will not include everything,
sometimes not even the best resources. May
be out of date.
Quality depends on the selection process.
|
EdNA
Internet
Public Library
WWW Virtual Library
Yahoo!
Open Directoy Project
Intute (academic gateway)
Pinakes (collection of academic gateways)
|
Search Engines
Some
engines will search for your search terms only in the address or the
first twenty lines, others will search the entire text of each site.
|
Good for specific topics expressible
by a rare combination of words |
Not every page on the Web is indexed.
Not all words will be searchable.
Ranking can be distorted by spamming or sponsored
positioning
Search facilities vary widely/change constantly.
If
you use just one or two search terms you will be presented with
literally thousands of 'hits', many of which will be irrelevant. |
Ask
for kids
Ask.com international
versions
AlltheWeb
Altavista
Microsoft Live
Search
Exalead
Accoona |
Australian search
engines & directories |
Good for Australian content,
obviously! |
as above |
AAA - Matilda
ANZWERS
Web Wombat
|
Multisearch Engines
Meta- or
Multi-search engines are useful when a quick, broad search is all
that is wanted. |
Saves time and effort by searching
many search engines at once
Can reveal which search engines are good (or bad)
for particular topics |
Unable to use advanced searching
features
Do not search all possible search engines!
Resulting 'hits' will vary depending on the default search options
provided by each engine. |
Clusty
Metacrawler
Dogpile
Ixquick
Kartoo interactive
& visual |
Specialist
search engines |
Targeted and efficient searches of relevant databases.
Finds resources 'hidden' from less specific
search tools. |
Resulting 'hits' will vary depending on the default search options
provided by each engine or by quality of 'search string'. |
News search engines
Google
News
Yahoo News
AllTheWeb News
AltaVista News
Country specific search engines
Science search engines
The Invisible Web - what other engines miss
Image search tools |
There are also
a growing number of 'lists of other lists'. These are sometimes referred to
as Internet 'portals' or meta-directories.
For more information and reviews on different search tools try
these links.