Journal databases use a controlled vocabulary when indexing article records to enable information to be grouped by topic.
By controlling the vocabulary, the database ensures that synonyms and similar phrases are collected under one accepted term.
You can search using a database's vocabulary. When you are in a database there will usually be a hyperlink near the search boxes called thesaurus, subjects, or subject headings.
Records in library databases are comprised of fields containing specific pieces of bibliographic information. Common fields include:
Limiting your search to specific fields can yield more precise results.
Searching within the abstract fields (AB) can be particularly helpful. This is because abstracts, as summaries of articles, are very keyword-rich: If you get a 'hit' on a keyword in an abstract you will usually find the article is relevant. The abstract is also a good source to find additional keywords you can use in your search strategies.
Most databases also allow you to limit your search or refine your results set by facets. Common facets include:
In many cases, you can also limit a search to scholarly or peer reviewed articles. The options will depend on the database you are searching.
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