Reviews the research and commentary on individuals' questions and specific reference queries that characterize two general approaches in librarianship and other disciplines: question itself as phenomenon of questioner's behavior, linguistic performance, or cognitive state; interaction between question and answer focusing on appropriateness of…

Describes British Library's work on Systems Dynamics, a set of techniques for building simulation models based on analysis of information feedback loops. Highlights include macro-simulation modelling activities of social science disciplines, systems analyses and models of information retrieval processes and library services, policy models, and…