Keywords vs. Subject Headings: There is a Difference!
the use of subject headings (also known as descriptors) is the method by which an index or database has designated "official" terms or phrases for a topic
searching by keyword often can return many results, some of which may be irrelevant to your topic; subject searching focuses the search and returns fewer results; most, if not all, of them will be directly relevant to your search
keyword searching searches many fields, e.g., title, abstract, subject headings, whereas subject heading searching searches only the subject heading field
search first by keyword, find records which are relevant to your search, then look for the subject headings listed at bottom of the record. There are often several -- jot them down, then execute a subject search using those terms.
most indexes allow both keyword and subject searching
Keywords vs. Subject Headings: There is a Difference!the use of subject headings (also known as descriptors) is the method by which an index or database has designated "official" terms or phrases for a topicsearching by keyword often can return many results, some of which may be irrelevant to your topic; subject searching focuses the search and returns fewer results; most, if not all, of them will be directly relevant to your searchkeyword searching searches many fields, e.g., title, abstract, subject headings, whereas subject heading searching searches only the subject heading fieldsearch first by keyword, find records which are relevant to your search, then look for the subject headings listed at bottom of the record. There are often several -- jot them down, then execute a subject search using those terms.most indexes allow both keyword and subject searching
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