Search (19 results, page 1 of 1)

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Abstract

Library OPACs have long been the gateways between users and information. They present to users the achievements of library automation, and are the most widely available automated retrieval systems and the first that many user encounter. Current trends in OPAC design are toward a user oriented, individual information service which can meet the different needs of users with a variety of background and interests. Compared with the rather inactive, short term and general information service of conventional systems, this type of system focuses on active, long term and personalized service. Proposes a framework for the design of such an OPAC and discusses some recent developments in personalized information service

Date

4. 8.1998 19:36:22

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Abstract

Uses the results of various user studies to offer some insight into user behaviour in connection with OPAC access points and to explore conditions for subject searching, the difficulties involved and the matching of queries to subject headings. Sums up suggestions for the improvement of subject access to OPACs

Source

Bulletin of library and information science. 1997, no.22, S.39-55

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Abstract

Describes a design for ideal online subject and author thesauri. The subject thesaurus is a graphic thesaurus with a semantic network, so the spread activation assumption can be applied. The hierarchical relationship is broken into 3 specific relations, so automated inheritance can be performed. The associated relationship is separated with several specific relationships, so spatial recognition can function well. This thesaurus will provide variety and complexity to deal with uncertainty and will be a user constructed, user enhanced hyperthesaurus that serves as an analogue of the human mind. The author thesaurus is designed to show all authors which are alphabetically adjacent to a given author as well as other authors whose subject area is close to that of the given author

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Abstract

Uses an information processing approach to analyse the behaviour of end users in searching online bibliographic databases, with particular emphasis on errors made. Following instruction in online searching, 41 students and 3 faculty end users conducted 79 subject searches. Analysis of search transcripts identified 119 reasons for errors. Errors occured most frequently in connection with functions, moves, and elements of 'create and develop sets' and 'display and print records'. Surprisingly, the results do not indicate that end users make errors less frequently as they gain more experience and practice, although syntax-related errors do decrease with time

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Abstract

Examines the relationship between bibliography and human culture and compares the methods and techniques of traditional bibliography with those of modern bibliography

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Abstract

Reports results of a questionnaire survey, the main purpose of which was to study and understand library users' perceptions of reference librarians' body language and its influence on the users' satisfaction of the reference interviews. The aim was to improve the overall quality of reference services. The study was undertaken in the National Yang-Ming University Library and involved 162 data samples. Describes the statistical methods used and the content analysis applied to the analysis of the data. Findings indicate that users prefer librarians' to adopt an approachable mode: arms relaxed; frequent eye contact; greeting users with a smile; hands unoccupied, and with appropriate hand gestures. Contrarily, preoccupation mode: with arms crossed; frowning; and hands busy with work; conveys an unfriendly message to library users. Concludes that the findings could be a valuable tool for reference librarians to develop their interviewing techniques in terms of body language and so improve the quality of referecne services

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Abstract

Describes 3 experiments undertaken to research how machine factors influence the cognitive abilities of users. The experiments dealt with presentation programs of retrieval results and user selectivity, thesaurus construction and accuracy of the subject words ascertained by the user, and menu layout and time taken by the user. Discusses findings and the satisfaction of users with present databases

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Source

Journal of the China Society for Scientific and Technical Information. 17(1998) no.1, S.19-22

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Date

27. 5.2007 22:19:35

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Abstract

Identifies 6 types of searches on the basis of paudsing behaviour by using cluster analysis. The 6 types of search were highly associated with search fleuncy and the construction of a mental model. Examines learning during multiple searches on the basis of the 6 types. Finds that searchers gain more experience, increase their searching proficiency and become more fluent at searching while online. The changes of search level in multiple searches showed that most searchers moved towards greater fleuncy

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Abstract

Defines information seeking as using information to satisfy one's needs. Traditionally, quantitative research has focused on objective information and the external behaviour of users, while the alternative paradigm in user studies focused on subjective information and the internal cognition of users. In the context of the paradigm shift, scholars are calling for supplementing quantitative approaches with qualitative approaches. Reviews the literature and presents theories and empirical studies on information needs and information seeking behaviour

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Abstract

WWW search engines or surfing tools provide users with catalogues or indexes on the Internet and different ways of searching these catalogues or indexes. There is as yet no standard operation for search tools so that users have to understand the way each one works to use them effectively. Describes, compares and evaluates some of these tools including Infoseek, Lycos, OpenText, WebCrawler, Yahoo!, AltaVista, Inktomi, Excite, Magellan, GAIS, and YAM

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Abstract

Chinese MARC (CMARC) adopts the UNIMARC approach rather than the USMARC tradition. The 4th edition of CMARC was published in 1997 and completely abandons the Linking Entry Block feature in favour of USMARC features. Concludes that CMARC has lost its compatibility with UNIMARC and this may cause chaos in the near future

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Abstract

Describes a study in which 6505 papers from 23 Chinese scientific and technical journals published in the 7 years from 1990 to 1996 were investigated. The quantity, languages and types of citations were analyzed and compared with data from the 1970s. In this way the progress of citations for Chinese scientific and technical journal literature can be seen

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Abstract

Attempts to investigate situational variables which can affect the results of relevance judgements, including computer experience, search experience, familiarity with search topic, preparation time, research objecttives, and research stages. The results show only the search experience will affect relevance judgements. Concerning research objectives, students writing term papers yield less relevance odds but a higher precision rate. concerning research stage, searchers in the early research stage yield more relevance odds and a higher precision rate

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Abstract

Discusses the theory and practice of bibliographic control, provides a definition for a bibliographic centre and for bibliographic control in a national bibliographic centre, and discusses the current situation and future development in bibliographic control in the national bibliographic centre (of China). Makes some suggestions for planning effective bibliographic control in the national bibliographic centre as follows: to collect materials; to recruit advisers; to set up a mission, goals and objectives; to make and implement action plans; to put in place the organizational structure of the bibliographic database; and to make plans for cooperating with other area or national bibliographic centres

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Abstract

With the rapid rise in numbers of electronic documents on the Internet, how to effectively assign topics to documents become an important issue. Current research in this area focuses on the behaviour of nouns in documents. Proposes, however, that nouns and verbs together contribute to the process of topic identification. Constructs a mathematical model taking into account the following factors: word importance, word frequency, word co-occurence, and word distance. Preliminary experiments ahow that the performance of the proposed model is equivalent to that of a human being

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Abstract

Since most popular commercialized systems for full text retrieval are designed with full text scaning and Boolean logic query mode, these systems use an oversimplified relationship between the indexing form and the content of document. Reports the use of Singular Value Decomposition (SVD) to develop a Cluster Indexing Model (CIM) based on a Vector Space Model (VSM) in orer to explore the index theory of cluster indexing for chinese full text documents. From a series of experiments, it was found that the indexing performance of CIM is better than traditional VSM, and has almost equivalent effectiveness of the authority control of index terms

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