Increasingly, machine learning is entertained as a mechanism for improving the efficiency of planning systems. Research in this area has generated an impressive battery of techniques and a growing body of empirical successes. Unfortunately the formal properties of these systems are not well understood. This is highlighted by a growing corpus of…

A research project was designed to produce a new system for evaluating student teachers at the University of Washington. A literature search provided the basis for a conceptual framework for the development of an evaluation instrument. Conclusions derived from the literature were: (1) Rationales for teacher evaluation include…

This report describes an experimental system for remote direct access to files of computer-stored information which has been indexed by the Universal Decimal Classification (UDC). The data base for the experiment consisted of references from a single issue of Nuclear Science Abstracts. The Special Subject Edition of UDC for Nuclear Science and…