Describes search tactics useful for online searching and how to use them, and identifies the points in a search at which they are most useful. An extended example shows how all the tactics may be used in an online search. (EM)

Explains seven types of subject descriptions commonly used in databases--hierarchical classification, category codes, subject headings, descriptors, faceted classification, post-controlled vocabulary, and natural language--and describes specific search techniques for taking advantage of the strengths of particular types of vocabularies. An overall…