Generally, there are two kinds of searches one can employ while researching article
databases or library catalogs. They are keyword searching (which we perform
frequently in search engines) and subject searching.
Both types of searches are commonly used together-- a keyword search first to get
many results followed by a subject search, to narrow those results:
• Start by doing a keyword search, using words or phrases describing your topic.
• Browse through your results list and choose two or three relevant results.
• Notice the Subject or Descriptor (also called subject headings or controlled
vocabulary) field in those relevant records and note the terms used. Keep a list of
them to help you remember. (They are also hyperlinked for easy access to all
material with that Subject.)
• Redo your search using the subjects or descriptors you identify. Your results will
be much more precise than those from your initial keyword search.