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Look at how information about a specific event is produced, distributed, and changes over time, resulting in different types of information sources.
Boolean Searching Video (3:03)
Build more effective searches by learning about "Boolean operators" when connecting your search terms.
Keyword & Subject Searching
- word(s) you choose are searched anywhere in the database record describing the article or item
- flexible but can miss useful items if your terms are not included in relevant records
- may return many irrelevant results since search terms can appear anywhere in record
- use word(s) or term(s) designated as subjects or descriptors in that particular database that describe the content of the article
- a precise way of searching a database and usually retrieves the most relevant results
- less flexible since you need to know the correct subject terms for that database
To find subjects or descriptors:
- check these fields in the most relevant records you find through keyword searching
- look for a subjects list or thesaurus in the database you are using