| Keyword Searching |
Subject Heading Searching |
| Good for obscure or contemporary topics
|
Good for general and universal topics
|
| Can generate many irrelevant results
|
Lists highly relevant results for each topic |
| Can use any term to describe topic to find relevant information
|
Need to know specific subject heading or vocabulary to search in subject heading list
|
| Will search for keyword in any field
|
Will only search in subject heading or descriptor field
|
