This paper addresses the issue of how hyperdocuments, accessible via electronic books (E-books) which are read using the World Wide Web, can be endowed with features that enable the personalisation of the interaction process that takes place between the reader and the E-book itself. We introduce a novel, abstract approach to modelling the personalisation of hyperdocuments. This approach aims to...

All interested medical physicists are encouraged to have their names added to a list of available reviewers. Please rank your interest among radiation therapy, x-ray, imaging, nuclear medicine imaging, ultrasound imaging, MR imaging, radiation injury, radiation protection, and others. Make your interest known to Dimitris Mihailidis, Ph.D., Books Review Editor ([email protected])....

The Mathematical Theory of Relativity. By A. S. Eddington. Cambridge, University Press, 1923. VI + 247 pp. The Meaning of Relativity. By Albert Einstein. Translated into English by E. P. Adams. Princeton University Press, 1923. 123 pp. The Theory of General Relativity and Gravitation. By L. Silberstein. New York, Van Nostrand, 1922. IV + 141 pp. In attempting a combined review of these three bo...

Users of structural equation modeling (SEM), a method that has also been known as causal modeling, have learned to tread lightly around the subject of causality. After all, the empirical raw material of SEM is typically a covariance matrix derived from nonexperimental data, and research dogma indicates that this is insufficient for making statements about cause-and-effect relations. At least as...

The aim of this section is to give brief indications of the character, content, and cost of new books in the various fields of biology. More books are received by The Quarterly than can be reviewed critically. All submitted books, however, are carefully considered for originality, timeliness, and reader interest, and we make every effort to find a competent and conscientious reviewer for each b...

A CARDINAL GOAL of librarians of institutions of higher learning is to build up collections of permanent value. For a non-fiction work to serve this purpose, we would expect it to be read in whole or in part and to be referred to for such things as facts, opinions, ideas, or felicitous phrasing. College librarians have to buy books selectively, a task made more difficult by the rising cost of b...