Keyword Search:
A keyword search retrieves words or phrases from the important fields of the database records. In most databases a keyword search finds words in fields that have descriptive content, such as author, article title, source title (book, journal, magazine, or newspaper, subject/descriptor terms, and abstract. In some databases, additional fields may be included in the keyword search. And in other databases, a keyword search will search everything in every record. Some keyword search engines allow you to specify which field(s) are to be searched.
A keyword search usually retrieves more items than a subject search, but they may not all be relevant. The computer is looking for the exact word you typed, not for the meaning or context of the word.
For example, a search on AIDS will retrieve items on...
A keyword search is the best method to use when:
Some search tips:
A subject search involves searching for subject headings/terms used in the library catalog or a library database. The library catalog and many library databases include subject headings/terms that are assigned to each record.
A list of subject headings, (also known as a subject thesaurus), ensures that all items about the same topic have uniform headings. Users can then retrieve all of the items on the same topic using a subject heading/term, even when there may be several other ways to state the concept. By using the subject heading/term, you will retrieve every relevant item for your topic. Searching with a subject heading/term retrieves items ABOUT that particular topic, and it is a more precise search than a keyword search.
For example, you may want to research the topic pet therapy.
Possible ways (synonyms) to state this topic include:
When using the Library's catalog, to search for books, the subject headings for pet therapy are:
When using the Library's catalog or the Academic Search Complete database to search for articles, the subject headings for pet therapy are:
The subject heading for pet therapy may be different in other library databases.
