Examines the selective dissemination of indexed surrogates to overcome two major causes of cultural lag: reading overload and lack of cogency of technical communication. An analysis of three models--reference-retrieval systems, question-answering systems, and surrogate-dissemination systems--explores reasons for lag in technique implementation.…

Brief discussion of state-of-the-art of modeling complex information systems distinguishes between macrolevel and microlevel modeling of such systems. Network layout and hierarchical system models, simulation, information acquisition and dissemination, databases and information storage, and operating systems are described and assessed. Thirty-four…