internet search strategies how and where to find what you need on the internet
TRANSCRIPT
Internet Search Strategies
How and Where to Find What you Need on the Internet
Goals
To be able to define a search engine and a search directory
To be able to apply a strategy to help structure searches
To be able to choose between a search engine and a search directory
To be able to choose between simple and advanced search
Goals
To be able to define a search engine and a search directory
To be able to apply a strategy to help structure searches
To be able to choose between a search engine and a search directory
Today’s Agenda
Search Engine Vs. Search DirectorySearch StrategiesSimple or Advanced SearchingGoogle, is it all we needReference practice
Today’s Agenda
Search Engine Vs. Search DirectorySearch StrategiesGoogle, is it all we needQuestions?!
Exercise 1
What search tool did you use?What search terms did you use?What site did you find?
Search Engines
Full-text indicesLarge amounts of web pages indexedAll pages indexed by “spiders”Pages not evaluated
Examples??
Search Directories
Smaller indices, not full-textPages added by submissionsGrouped by subjectEvaluated by staff/experts
◦To varying degrees
Examples??
Types of Search Directories
Two levels or purposes◦General, broad coverage
Librarians’ Index – Yahoo! - About.com◦Focused on specific subjectson any topic
Law Directory of Open Access JournalsDog Health Directory
Types of Search Directories
Two levels or purposes◦General, broad coverage
Librarians’ Index – Yahoo! ◦Focused on specific subjectson any topic
Business.comi-love-dogs.com
Why Focused Directories?
Coverage of a topic◦selected web pages◦broken down into sub-topics
Selected, often evaluated◦guide to worthwhile sites
You can often forage for yourself◦broad interest◦research need not clearly focused
Sometimes fast way to find a specific answer◦when search engines retrieve way too much
Finding Subject-Focused Directories
LII◦scattered throughout the entries
Yahoo!◦search a topic term + “web directories”
EXAMPLE: woodworking web directoriesAbout.com – other general directories
◦search by subject mixed in with other pages
Google◦Subject intitle:”directory of”
Which to Use?Directory Vs. Engine
Search Directories◦ Search engine
frustration too many or “wrong”
hits tap into an expert’s web
searching on the subject◦ Question on an aspect
of a broad subject overview or orientation
to the subject◦ Special format or type
of web item sounds, images,
databases, MP3, video, FTP sites
Search Engines◦Need to search “full-
text”◦Can narrow search
with specific search terms
◦Look for a specific site
◦Locate interests “people put on the web
Exercise 2Brainstorming Where to Search
Clues in the keywords?◦Search Engines – what words should be in the
pages in your results?◦Search Directories – what is the broader topic?◦What search terms might work?
Just practice thinking, don’t search yet.
#1 Search Strategy
Know the question!Think about the question and the information you are trying to find.
How much information is needed?How much info will successfully answer the question.
Define the search terms.Choose unique and descriptive keywords
Check all terms for duplicate meanings and synonyms.
Examples?
#2 Search Strategy
Keep your searching simple, direct, fastLearn about your question from what you
findChange your approach as you learnEvaluate what you find for reliability
Exercise 3Search Strategy Worksheet
Analyze topics before you start searching◦Unique words◦Phrases◦Organization◦Increase specificity◦What can you exclude
Simple Vs. Advanced SearchFactors in choosing
SPEED – Simple search is fasterneed to FOCUS on an aspect of a topicwant LIMITSwww.google.com
Is Simple Sufficient?Yes, if…
Question contains unique words, distinctive names, acronyms◦maltose ◦Ethernet◦NAACP
Question contains phrase or string ◦“lead pollution” ◦“communicable diseases”
You can think of an organization with the answer◦EAP◦NIH
When should you use Advanced Search?
Complex topic to searchWhen terms have duplicate or many
meaningsWhen you need to add terms to focus the
search◦Use Boolean Logic
All search engines have the “implied AND” Remember OR Limit by exclusion
Exercise 4Simple Vs. Advanced Search
Use both types of searchesAre there differences in results lists?Are results more reliable or of higher
quality with one or the other?
Is Google the only one we need?
Probably not, but it’s darn good.If you like Google…try Bing
Cool Google Tips
Things to remember◦No more than 32 query words◦Word order matters◦Repetition matters◦You can use slang or “industrial terminology”◦Stemming
Questions?
Bing