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Gladys Marcus Library | research guides | INTERNET GUIDES
 
Web Search Engines and Directories 
Revised 10/12/06

Prepared by Naomi Schwer Bricker, Reference Librarian; Adjunct Assistant Professor

In addition to the well known Google, Yahoo, and AOL Search, there are many other Internet search engines. Each uses different criteria and programs (with methods sometimes referred to as "algorithms") to determine results, so you will get different results trying the same searches in more than one search engine. Some search engines are partnered with each other (e.g. AllTheWeb.com uses Yahoo's technology), but the results you get are still not exactly the same.

Each search engine has different features and strengths or weaknesses: finding images as well as text,  finding news, finding results from specific domains, finding results that were published in a specific time period, some place more emphasis on "paid placement" (i.e. advertisers' results get a higher ranking than non-advertisers). See Information on search engines  for up-to-date information on some of these features.

Searching and Evaluating Internet Resources gives some quick tips on how to use a search engine and how to look at the results you get with a critical eye.

Directories list selected websites that match a specific topic. They are usually compiled by people, often experts in a field, rather than by computer (which is how most search engines work) . The FIT Library's Internet Guides are small directories that cover some of the most commonly-requested topics in the FIT library.
 

Directories  |  Information on Search Engines  |  Other Tips on Searching
 
        

Directories

 About.com
http://www.about.com
Guides on many topics, chosen by experts. Strong on popular culture and everyday topics such as travel and regional information, hobbies, and health. Divided into 'channels' but searchable for more specific interests.

INFOMINE - Scholarly Internet Resource Collections
http://infomine.ucr.edu
Strong in the sciences and humanities, allows searcher to decide if only "expert-selected" sites or "robot selected" sites can be included in search results. Along with the academic level of the information, lists date the site was selected for inclusion into directory and when/if record was updated. Includes sites that require payment for use, but clearly marks them as such.

Internet Public Library
http://www.ipl.org
This directory started at the University of Michigan School of Information is organized in sections like those used in libraries : "subject collections", "ready reference" and "reading room" (containing "books", "magazines" and "newspapers").

Librarians' Internet Index (LII)
http://lii.org
Very highly-regarded guide to sites on a wide variety of topics, from the academic to the frivolous, and covering many viewpoints.  All listed sites are rigorously checked and reviewed to see if they fit the criteria of "Unique, important content across the full scope of information" LII de-emphasizes commercial sites unless they provide information not readily available elsewhere. Frequently updated with sites covering and explaining newsworthy topics.

Library Spot
http://www.libraryspot.com
Links to commonly-requested basic resources (dictionaries, statistics, maps) and the websites of many libraries.

refdesk.com
http://www.refdesk.com
Somewhat cluttered but useful guide covering a little of everything: news, "word of the day", "daily diversions", access to several search engines, etc. Emphasis on practical, everyday topics more than scholarly or academic sites.

Open Directory Project
http://dmoz.org
"Open Source inspired, volunteer managed initiative". All the advantages (many points of view, many people more able to keep things up to date) and disadvantages (uneven coverage of some topics, lack of focus) of using a large group of contributors to add to the directory. Used as the directory for many search engines including Google.  

WWW Virtual Library
http://vlib.org
Volunteer editors maintain links to virtual libraries in many academic fields. Arranged by broad subjects, with an alphabetical listing, but lack of search feature may make it difficult to find all relevant entries.
  

information on Search Engines

Can't decide whether to use Google, Ask.com, or something else to find information?
Looking for something new in search engines, or do you want to compare the feature of different search engines?

100 Search Engines in 100 days
http://websearch.about.com/library/tableofcontents/blsearchenginetableofcontents.htm
Links to companion feature, Search Engines and Directories A to Z , http://websearch.about.com/library/searchengine/blsearchenginesatoz.htm
which systematically reviews individual search engines and discusses search topics 

Best Search Tools Chart
http://www.infopeople.org/search/chart.html 
Details on several search and metasearch engines and directories, and their features.

Choose the Best Search for Your Information Needs
http://www.noodletools.com/debbie/literacies/information/5locate/adviceengine.html
Recommends specific search engines and other online tools based on the kind of results desired, such as "a few good hits fast", "broad academic subject" or "breaking news".

Search Engine Colossus
http://www.searchenginecolossus.com
Lists search engines and directories by country.

Search Engine Showdown
http://searchengineshowdown.com
News on changes and developments at search engines. "Chart" and "reviews" describes features of major search engines and directories. "Learn" covers basic and advanced searching strategies.

Search Engine Watch
http://searchenginewatch.com
Updated detailed descriptions of search engines. Links to many other reviews, comparison charts, and search tutorials.

other tips on searching

Searching and Evaluating Internet Resources
http://www3.fitnyc.edu/library/research_guides/info_bulletin/info12_searchweb.htm
A short guide suggesting research strategies and how to determine if a website is reputable.
How to Do Research: In the Library and Beyond  is a more extensive guide that also includes information on online research.

Finding Information on the Internet
http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/FindInfo.html
Basic, detailed and advanced web searching tutorials.

Internet Tutorials
http://www.internettutorials.net
Frequently updated guides, from the library at SUNY Albany

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