COMPUTATIONAL SCIENCES BY BRUCE G. BUCHANAN Department of Computer Science University of Pittsburgh Pittsburgh, Pa. " Expert systems require substantial knowledge bases, yet the process of acquiring the requisite knowledge can be cumbersome. Automating the learning of new knowledge has been the topic of considerable research. A new study brings together in one framework the various approaches to knowledge acquisition and uses it to evaluate their applicability to building expert systems. V.L

COMPUTATIONAL SCIENCES BY BRUCE G. BUCHANANBR> Department of Computer Science University of Pittsburgh Pittsburgh, Pa. " Are computer-based text editors more efficient for reading and writing than conventional paper documents? Many factors influence the answer, seven of which were reported in a recent study. Advanced workstations offer enough advantages over personal computers, partly because there is more flexibilty in the user interface. Neither is superior to paper for reading (or proofre

COMPUTATIONAL SCIENCES BY BRUCE G. BUCHANAN Department of Computer Science University of Pittsburgh Pittsburgh, Pa. "Group decision making has not benefited as much from computer-based tools as individuals have. A recent article suggests how groups can benefit more. K.L. Kraemer, J.L. King, “Computer-based systems for cooperative work and group decision making,” ACM Computing, Surveys, 20 (2), 115-46, June 1988. " When learning from examples, computer programs start with a bins&#