Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

RS Book CH 31

RS Book Ch 31

what is a search engine? information retreval systems that search the Internet and electronic databases for websites, files or documents based on keyword or phrases.
Databases are organized systemss that allow search access for specific content or information.
Boolean logic: utilizes three primary operators: AND, NOT, and OR
AND does what to the search narrows it
OR does what to the search? broadens the search
NOT does what to the search excludes concepts from the search
National Library of Medicine: Medical Subject Headings (MeSH) terms: consists of sets of termis in a hierarchical structure or "tree" taht permits searchin at various levles of specificity
Science Citation Index: a reference system that allows researchers to search based on citations, by traking literature forward or backward, and across diciplinary boundries.
recall: the proprotion of retrieved citation that are releant or the likelihood of finding relevant references.
Precision (for citations) is the proportion of citation that are relevant that the search is able to retrieve, or the likelyhood of excluding irrelevant references.
Created by: NicoleB