Importance

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Abstract

Expression/person data are obtained and, in turn, are used to obtain information about groups of people in a population. The people access resources that include linguistically analyzable content, such as Web pages that include text. The expression/person data identify, for each of a set of expression types that occur in the resources, people who have accessed resources that include that type. The group information indicates a group of people who have accessed resources that include instances of expression types that have similar conceptual content. For example, an item of expression/person data can be obtained when a person accesses a Web page in an acquisition mode, by performing linguistic analysis in the background. An expression type can be indicated, for example, by a syntactic relation and a pair of normalized words that occur in the syntactic relation in the analyzed text. The expression/person data can be stored in a database. When a user provides a query that includes a set of words or other expressions, a list of conceptually similar expressions and identifiers of people who have accessed Web pages that include them can be presented on a display.

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First Claim