Discusses properties of multiple attribute tree (MAT) and inverted file structures; establishes suitability of MAT data structure for bibliographic files using worst-case performance measures; provides arguments to establish MAT average case superiority; and proposes an efficient adaptation of MAT data structure to exploit special features of MAT…

Introduces the concept of home publishing on the television screen, and provides detailed descriptions of videotex and teletext, including their similarities, differences between them and future prospects for educational applications of these two new information services designed for use with adapted TVs. (CHC)

Arguments for and against decentralization of data management, analysis, and planning systems are presented. It is suggested that technological advances have encouraged decentralization. Caution in this direction is urged and the development of an articulated decentralization program is proposed. (SF)

Reasons for distributed systems (DS) of planning and design for information services for colleges are discussed. The methodologies and approaches from industry and academe are contrasted to show how the process of DS can be effectively managed to meet a variety of institutional needs. DS represent a natural evolution of the historic development of…

Compares and contrasts two systems designed for library automation applications--NOTIS, which was developed in the United States, and DOBIS, which was developed in Europe. The differences in the systems are discussed in terms of the availability or absence of machine readable bibliographic sharing capacities in the countries of origin. (CLB)