Defines the concepts of hypertext, hypermedia, multimedia, and multimedia networks. Using the rhizome as a metaphor for electronically mediated exchange, a theory of hypermedia design that incorporates principles of connection and heterogeneity, multiplicity, asignifying rupture, and cartography and decalomania is explored. (four references) (MES)

Considers the meaning of relevance and examines the role that relevance plays in information behavior. Literature on relevance is reviewed, cognitive and dynamic processing approaches to relevance are described, and 12 research questions are presented that address criteria users employ in evaluating information and suggest implications for system…