Toward the Development of Semantically-Based Search Systems

Over the past several years, we have conducted a number of empirical studies focusing on the performance of human search intermediaries and indexers. Based on insights from these studies, we have developed a computerized intermediary system (EP-X) that represents document contents as frames, and that uses knowledge-based search tactics to assist information seekers in exploring the contents of such frame-based document databases. Below, we present for discussion several propositions based on our experiences in studying human experts and in building computerized intermediaries

Guide to Options for ETD Programs

Dr. Martin Halbert of the University of North Texas documents the spectrum of ETD program implementation and offers guidance for academic decision-makers who are either creating or modifying ETD programs. Dr. Halbert identifies and offers in-depth analysis regarding the five key decisions that ETD programs must make. He also provides a literature review of publications, standards and reports that have been produced to date, and relates these to the key decisions