Describes the architecture and functioning of a system developed specifically for text processing applications--such as information retrieval--that can benefit from structural comparisons between elements of text, such as queries and abstracts. The general ways in which the system performs matches and the ways in which this objective influenced…

Presents a formal approach to information systems development and outlines the components of a structured systems development methodology. The various stages of the methodology are then reviewed in light of experiences gained in three consultancy projects in developing countries. (Author/CLB)

Describes SCISOR (System for Conceptual Information Summarization, Organization and Retrieval), a prototype intelligent information retrieval system that extracts useful information from large bodies of text. It overcomes limitations of linguistic coverage by applying a text processing strategy that is tolerant of unknown words and gaps in…

The field of instructional technology has continued to evolve since its inception in the early 1900s. Academic technology units in higher education have witnessed tremendous change in the last one and a half decades. The changes have led to reorganizations, realignments, adoption of innovative administrative structures, increased demands for…

Based on action research of the Information Processing (IP) course at the bachelor programme HA/DOK at Copenhagen Business School, we investigate which barriers students experience when learning holistic systems development and why. HA/DOK has been developed to educate students who can facilitate between users and programmers and navigate within…

This study was designed to illuminate the state of education in Taiwan by constructing Educational Indicator Systems. The study, sponsored by the National Science Council between 1998 and 2000, was the first comprehensive indicator project to cover all educational levels in Taiwan. Various research methods were used, including panel discussion,…

This paper introduces a hardware and software independent model for producing educational computer simulation environments. The model, which is based on the results of 32 studies of educational computer simulations program production, implies that educational computer simulation environments are specified, constructed, tested, implemented, and…

Three different approaches to the problem of linking educational knowledge producers and knowledge users are studied in this paper. First, data are reported describing the knowledge generation and knowledge communication behavior of twelve successful innovators. Second, characteristics of twelve programs, conceived to train persons as change…

Cost estimates for Computer Assisted Instruction (CAI) depend crucially upon the particular assumptions made about the components of the system to be included in the costs, the expected lifetime of the system and courseware, and the anticipated student utilization of the system/courseware. The cost estimates of three currently operational systems…

Developed and demonstrated here is the design of interface systems for cost-effective communication of the user with the computerized operations research procedures. The concentration is in the area of interfacing methods for implementing the optimization techniques of mathematical programing. Emphasis is given to flexibility of accessing the…

This paper proposes a user designed system, HUC, intended to provide a single index and retrieval system covering all recorded knowledge and information capable of being retrieved from all modes of storage, from manual to the most sophisticated retrieval system. The concept integrates terminal hardware, software, and database structure to allow…

Interlibrary loan (ILL) transactions are a major library problem because the increased volume places a burden on systems developed with no general plan. This report lists nine difficulties identified by the 1974 National Commission on Libraries and Information Science. Automated networking is imperative for ILL's future. The Ohio College Library…

It is recognized that there is a major gap between the promises of large data bases and optimization and simulation models and their actual ability to solve real world problems. This document describes a Generalized Data Base Planning System (GPLAN), currently being developed at Purdue University, that is proposed as a system to bridge this gap. A…

Presents a model that places Boolean database queries into conjunctive normal form, thereby allowing probabilistic ranking of documents and the incorporation of relevance feedback. Experimental results compare the performance of a sequential learning probabilistic retrieval model with the proposed integrated Boolean probabilistic model and a fuzzy…

Presents a historical perspective of videodisc technology and technical examination of Optical Disc Corporation's (ODC) LaserVision system, an audio/video communication system which stores composite signals on videodisc. Also discussed are premastering, mastering, and replication steps in videodisc production; videodisc player design and…