Each word is scored based on its frequency of occurrence in the document versus its frequency in the database. The scores of all matching words are added up to obtain a score for the record. Records with the highest score are considered the most relevant. As the scores and number of matching words decrease, so does the percentage. A window that contains the information retrieved from the databases you search.
Search results can be citations, document summaries or abstracts, and can include full text.
The word, word combination, or phrase the user enters in the Find field. In the simplest case, it is one that best describes the information desired. Commonly used words such as articles, pronouns and prepositions. Stop words are not indexed for searching a database. A list of subject headings used to index the publications in the database.