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optical INFORMATION SYSTEMS 1989年第1期9卷 30-37页

作者： HELSEL, SK

This excerpt from "CD-ROM Applications and Markets" (Meckler Corp., 1988) discusses the introduction of new educational technologies and offers lessons learned for implementing CD-ROM in the education market. Topics discussed include traditional classrooms and the role of teachers; inservice teacher education; experiences with educational radio and television and interactive videodisc; and CD-ROM in the future. (36 references) (LRW)

关键词： Adoption (Ideas) Change Strategies Conventional Instruction Educational Change Educational Radio Educational Technology Educational Television Educational Trends Elementary Secondary Education Futures (of Society) Higher Education Inservice Teacher Education Interactive Video optical data disks Videodisks

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CONVERTING COMPUTER OUTPUT MICROFICHE (COM) TO CD-ROM

OPTICAL INFORMATION SYSTEMS

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optical INFORMATION SYSTEMS 1990年第2期10卷 93-98页

作者： URROWS, H URROWS, E

Describes the creation of a prototype CD-ROM disc at the Earth Science Information Center (ESIC) that contained information on aerial photographs formerly held on computer output microfiche. Specifications are discussed, fields of information that were indexed are described, search and retrieval display capabilities are explained, and the results of an evaluation questionnaire are given. (LRW)

关键词： Computer Output Microfilm Computer Software Evaluation Methods Indexing Information Retrieval Microcomputers optical data disks Questionnaires Search Strategies SpecificationsPrototypes Aerial Photography Mainframe Computers National Cartographic Information Center

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CD-ROM TECHNOLOGY AT VANDERBILT-UNIVERSITY - IMPACT ON LIBRARY STAFF AND THE EDUCATIONAL COMMUNITY

OPTICAL INFORMATION SYSTEMS

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optical INFORMATION SYSTEMS 1989年第1期9卷 38-43页

作者： REESE, J VANDERBILT UNIV EDUC LIBINFORMAT SERVNASHVILLETN 37240

Description of the use of CD-ROM technology at the Vanderbilt University libraries focuses on the impact on library staff and on students and faculty. Hardware and databases are discussed, training of student assistan... 详细信息

关键词： Bibliographic databases College Faculty College Libraries Computer Peripherals Higher Education Library Personnel Microcomputers Online Searching optical data disks Reference Services Staff Role Student Attitudes Student Employment Surveys Training Methods Use Studies User Satisfaction (Information)Vanderbilt University TN User Training Workstations

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Analysis of users' searches of CD-ROM databases in the national and university library in Zagreb

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INFORMATION PROCESSING & MANAGEMENT 1997年第6期33卷 785-802页

作者： Jokic, M National and University Library Zagreb Avenija Hrvatske bratske zajednice b.b. 10000 Zagreb Croatia

This study investigates the behavior of two groups with different degree of independence in the search of CD-ROM databases (PsyLit and BIOSIS, SPIRS software). In the group A were users who needed only some technical assistance in communication with a computer/database, while the members of the group B searched CD-ROM databases completely independently. data were collected by means of questionnaires and transaction logs of search strategies. Statistical data support the hypothesis that the two groups differ both in their experience and frequency in using computer. However, by the analysis of variables used in search strategies/tactics i.e. a) variables relating to the knowledge of search systems and syntax, b) variables defining the search strategies (number of words, concepts, steps, and cycles), c) variables regarding the qualitative indicators (clarity, specificity and complexity of determined strategies in relation to search topic title, and errors) and search results variables (number of retrieved references, number of relevant references, search precision, and results with zero hits) we did not obtain statistically significant difference in the user behavior. Both groups used facilities for a more comprehensive and successful search they were offered on-screen to a low degree. Results obtained by this research show that end-user education is necessary for CD-ROM database searching, although CD-ROM is primarily designed for end-users. (C) 1997 Elsevier Science Ltd.

关键词： Academic Libraries databases Foreign Countries Higher Education Library Instruction National Libraries optical data disks Questionnaires Search Strategies Users (Information)CroatiaUser Training Croatia (Zagreb) Transaction Log Analysis Training Needs

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optical disks COMPETE WITH VIDEOTAPE AND MAGNETIC STORAGE MEDIA .1.

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optical INFORMATION SYSTEMS 1988年第2期8卷 54-63页

作者： URROWS, H URROWS, E

Describes the latest technology in videotape cassette systems and other magnetic storage devices and their possible effects on optical data disks. Highlights include Honeywell's Very Large data Store (VLDS); Exabyte's tape cartridge storage system; standards for tape drives; and Masstor System's videotape cartridge system. (LRW)

关键词： Computer Storage Devices data Processing Information Storage optical data disks Standards Videotape CassettesHoneywell Inc Magnetic Storage Video Technology Video Tape Production

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A COMPARISON OF PRICING STRATEGIES FOR BIBLIOGRAPHICAL dataBASES ON CDROM AND EQUIVALENT PRINTED PRODUCTS

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ELECTRONIC LIBRARY 1994年第3期12卷 169-175页

作者： ROWLEY, J BUTCHER, D UNIV CENT ENGLAND SCH INFORMAT STUDIESBIRMINGHAM BA42 2SUENGLAND MANCHESTER POLYTECH DEPT LIB & INFORMAT STUDIESMANCHESTER M15 6BHLANCSENGLAND

Library managers are often concerned to assess the most cost effective means of access to bibliographic data. This article considers comparative prices for bibliographic data on CDROM and in print form. In many instances, CDROM offers added value and easier access to data, but the relative cost is important. Library managers need not only to compare prices but to consider cost effectiveness. Differences between the nature of bibliographic data on CDROM and in a printed bibliography or abstracting and indexing service, and the relative complexities of pricing structures for bibliographic data in both CDROM and print form, both hinder comparisons. Varying policies on network pricing are an added complication when assessing a CDROM service. Some standardisation of aspects of the licensing arrangements would be welcome.

关键词： Bibliographic databases Bibliographic Records Comparative Analysis Cost Effectiveness Costs Electronic Publishing Information Networks Library Automation optical data disks Publishing Industry Reference Materials StandardsComparable Cost Information Print Media License Agreements Pricing Examples Networking

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COGNITIVE STYLES AND SEARCHING

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ONLINE & CDROM REVIEW 1994年第2期18卷 79-86页

作者： FORD, N WOOD, F WALSH, C UNIV SHEFFIELD DEPT INFORMAT STUDIESSHEFFIELD S10 2TNS YORKSHIREENGLAND

Sixty-seven searchers carried out 275 searches, both with and without postings information, of a LISA CDROM. This provided an opportunity to investigate the effect of cognitive styles on searching behaviour which has substantial implications both for the teaching of searching and for search system design. Subjects were tested for field-dependence/field-independence and for Comprehension/Operation/Versatile learning styles. Statistically significant differences in both searching behaviour and search outcomes were obtained by those with different learning styles, with and without postings information. These results are presented and implications for training are discussed.

关键词： Cognitive Style Graduate Students Higher Education Information Science Library Instruction Online Searching optical data disks Search StrategiesLibrary and Information Science Abstracts Search Behavior Online Search Skills

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PROTOTYPING A DISTRIBUTED INFORMATION-RETRIEVAL SYSTEM THAT USES STATISTICAL RANKING

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INFORMATION PROCESSING & MANAGEMENT 1991年第5期27卷 449-460页

作者： HARMAN, D MCCOY, W TOENSE, R CANDELA, G NIST GAITHERSBURG MD 20899 USA

Centralized systems continue to dominate the information retrieval market, with increased competition from CD-ROM based systems. As more large organizations begin to implement office automation systems, however, many will find that neither of these types of retrieval systems will satisfy their requirements, especially those requirements involving easy integration into other systems and heavy usage by casual end users. A prototype distributed information retrieval system was designed and built using a distributed architecture and using statistical ranking techniques to help provide better service for the end user. The distributed architecture was shown to be a feasible alternative to centralized or CD-ROM information retrieval, and user testing of the ranking methodology showed both widespread user enthusiasm for this retrieval technique and very fast response times (on the order of one second for 300 megabytes of data).

关键词： Access to Information Computer System Design Information Retrieval Information Technology Online Searching Online Systems optical data disks Systems Development User Needs (Information)Ranked Retrieval Output Computer Architecture

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INTERACTIVE DOCUMENT DISPLAY AND ITS USE IN INFORMATION-RETRIEVAL

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JOURNAL OF DOCUMENTATION 1987年第2期43卷 125-137页

作者： BOVEY, JD BROWN, PJ UNIV KENT COMP LABCANTERBURY CT2 7NFKENTENGLAND

Computers with graphics screens and pointing devices such as the ‘mouse’ provide the opportunity for highly interactive user interfaces. This paper describes some novel software for displaying documents on graphics screens: the software provides a fast and simple way for users to peruse documents and to examine the parts that interest them. One application of the software is as a front end to a document retrieval system, since it provides a way for users to identify quickly the records that are of relevance to them and to provide feedback between the user and the underlying retrieval system.

关键词： Computer Graphics Computer Software Computer Storage Devices Display Systems Documentation Information Retrieval Information Systems Man Machine Systems optical data disks Relevance (Information Retrieval) Technological Advancement Users (Information)Software Design Interactive Computer Systems

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Collaborative practice of science construction in a computer-based multimedia environment

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COMPUTERS & EDUCATION 1998年第1-2期30卷 75-85页

作者： Kumpulainen, K Mutanen, M Univ Oulu Fac Educ FIN-90571 Oulu Finland Univ Oulu Dept Teacher Educ Kajaani FIN-87101 Kajaani Finland

This paper discusses a case study of nine-pairs working collaboratively in a multimedia CDROM science environment. The main goal of the study was to investigate the ways in which the collaborative use of a multimedia-based encyclopaedia can foster science learning. By focusing on pupils' discursive, cognitive and collaborative activities, the study highlights pupils' information handling and knowledge construction in the multimedia context. Also the pupils' developing understanding of the science concepts dealt with in the tasks are considered. The research data consist of video and audio recordings, interviews, questionnaires and field notes collected from one 6th grade primary classroom. The results show that the pupils' activities during task-processing were highly procedural and product-oriented. The nature of the activity was also reflected in the pupils' poster displays indicating rather surface-level and incoherent understanding of the science concepts. The pupils were also found to have inefficient skills in accessing and retrieving information from the multimedia software. Although the findings are strongly linked with the nature of the collaborative task designed around the multimedia context and with the sociocultural background of the pupils, the study illuminates common problems related to the use of multimedia-based CD-ROMs in learning and points out aspects which need to be considered in order to make collaborative learning more effective in multimedia environments. (C) 1998 Elsevier Science Ltd. All rights reserved.

关键词： Computer Software Cooperative Learning Educational Technology Grade 6 Information Retrieval Information Skills Instructional Material Evaluation Intermediate Grades Learning Activities Multimedia Materials optical data disks Science Instruction Task AnalysisFinlandFinland

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