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Step 1:
What kind of information do you need to find?
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Is the Internet likely to be an appropriate source of information for your topic?
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The Web can be a good source for:
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- News and current events
- Government information
- Company or product information
- Information related to popular culture
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The "Free" Web is not always a good source for:
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- Copyrighted articles and books
- Web versions of traditional print sources
- Databases and indexes
- Some types of primary sources and historical data
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Step 3:
Use a Web Directory
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If you don't find what you need at the Library Web site, consider using a Web directory to locating information.
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Tips on using Web directories: |
- Directories are best for broad topics or for locating information about popular subjects.
- Many directories are compiled by human beings, not by computers, so your search results are more likely to be relevant.
- Directories are smaller than search engines, so they are not always the best choices for narrowly-defined topics.
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Good starting points include:.
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Step 4:
Use a Search Engine
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Do you need more information? Try using a search engine.
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Tips on using search engines: |
- Search engines can be helpful when you are looking for information on a very narrow topic because they index more pages than directories.
- You will retrieve more pages with a search engine, but not all of the pages will be relevant.
- No search engine indexes the Web comprehensively.
- Search Tips:
- Choose the most specific terms possible ("jack russell terriers" instead of "dogs")
- Enclose phrases in quotation marks ("cold war").
- Mark required words with a plus sign (+).
- Exclude words by inserting a minus sign (-).
- Don't forget to read the "Help" screens!
- If you don't find useful information within the first 20-40 hits, revise your search or use a different search engine.
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Good starting points include:.
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- Google
- AlltheWeb
- HotBot
- Teoma
- Yahoo! (Note: the Yahoo! search engine differs from the Yahoo! directory.)
- Search engines for U.S. Government information:
- Metasearch engines:
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Step 5:
Search the "Invisible Web"
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Not finding what you are looking for? Do you need additional information? Try searching the "Invisible Web," the information in Web-based, searchable databases that search engines and directories often miss.
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Tips on searching the "Invisible Web": |
- Many Web directories list searchable databases; try them first.
- You can also find some searchable databases by using a search engine. Entering your broad topic and including the word "database" often works (Example: food additives and database).
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Tools that list searchable databases:
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