-
Wu, C.-J.: Experiments on using the Dublin Core to reduce the retrieval error ratio (1998)
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- Abstract
- In order to test the power of metadata on information retrieval, an experiment was designed and conducted on a group of 7 graduate students using the Dublin Core as the cataloguing metadata. Results show that, on average, the retrieval error rate is only 2.9 per cent for the MES system (http://140.136.85.194), which utilizes the Dublin Core to describe the documents on the World Wide Web, in contrast to 20.7 per cent for the 7 famous search engines including HOTBOT, GAIS, LYCOS, EXCITE, INFOSEEK, YAHOO, and OCTOPUS. The very low error rate indicates that the users can use the information of the Dublin Core to decide whether to retrieve the documents or not
- Source
- Journal of library and information science. 24(1998) no.1, S.50-64
-
Huang, Y.-L.: ¬A theoretic and empirical research of cluster indexing for Mandarine Chinese full text document (1998)
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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
- Source
- Bulletin of library and information science. 1998, no.24, S.44-68
-
Huang, M.-h.: Five fundamental concepts in information retrieval (1996)
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- Abstract
- Discusses the 5 fundamental concepts of information retrieval addressed by Patrick Wilson - information, aboutness, relevance, need and use. Although it is impossible to reach consensus definitions for these concepts it can be helpful for future discussions in information retrieval researches
- Source
- Bulletin of library and information science. 1996, no.19, S.7-21
-
Tsai, B.-s.: Infomapping in information retrieval (1997)
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- Abstract
- Capability and capacity in handling the topology of a special subject information field has made infomapping techniques and systems instrumental in information searching, monitoring and navigation. Applying the technique to communication networks can reveal the intellectual relationships among junior and senior researchers in the field, and can also show the continuing popularity of a particular researcher's citation record over time. Reports the use of Java in making a cartoon series of chronological maps based on citation analysis on a special subject field (nutrition and dietetics). The map making methods, Java programming, and statistical analysis of the map data are presented, and the advantage and significance of constructing Java maps in enhancing information retrieval discussed. Further technical developments in applying VRML to link together a 3-D spatial indexing system and a 2-D HTML Web site are suggested
- Source
- Journal of information; communication; and library science. 4(1997) no.2, S.3-13
-
Pu, H.-T.: Exploration of personalized information service for OPAC (1997)
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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
- Source
- Bulletin of the Library Association of China. 1997, no.59, Dec., S.127-133
-
Jin, Z.; Yuan, C.: On the ambiguity of information retrieval for visualization (1998)
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- Abstract
- Addresses the issue of ambiguity of information retrieval for visualization in respect of distance and angle retrieval. Analyzes the cause of the ambiguitiy, its impact on information retrieval, and its resolution. Describes a system where the techniques described are realized
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.3, S.175-179
-
Huang, S.-l.: Data structure and searching strategy (1995)
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- Abstract
- Reports the results of a study of the effectiveness of online searching which used TULIPS, the National Taiwan University's OPAC system, to examine the relationship between data structure and information retrieval systems. Results show the efficiency of online searching can be improved by the use of indexes and by searching by subject
- Source
- Bulletin of the Library Association of China. 1995, no.55, Jun., S.65-72
-
Yi, H.; Shubai, L.: Application of classification in information organization under the networking environment (1998)
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- Abstract
- Classification plays a very important role in the traditional organization and manual retrieval of documents. The advantages of classification are becoming evident again in the networked environment, in the areas of online browsing, organization of non text information, management of hypertext, and as a common language for the organization of information, which will promote the integration of classification schemes and thesauri
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.1, S.19-22
-
Tseng, Y.-H.: Keyword extraction techniques and relevance feedback (1997)
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- Abstract
- Automatic keyword extraction is an important and fundamental technology in an advanced information retrieval systems. Briefly compares several major keyword extraction methods, lists their advantages and disadvantages, and reports recent research progress in Taiwan. Also describes the application of a keyword extraction algorithm in an information retrieval system for relevance feedback. Preliminary analysis shows that the error rate of extracting relevant keywords is 18%, and that the precision rate is over 50%. The main disadvantage of this approach is that the extraction results depend on the retrieval results, which in turn depend on the data held by the database. Apart from collecting more data, this problem can be alleviated by the application of a thesaurus constructed by the same keyword extraction algorithm
- Source
- Bulletin of the Library Association of China. 1997, no.59, Dec., S.59-64
-
Longshu, L.; Xia, Z.: On an aproximate fuzzy information retrieval agent (1998)
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- Abstract
- Discusses online approximate information retrieval based on fuzzy mathematics. Defines fuzzy semantics. Presents an approximate fuzzy matching algorithm and an algorithm for a fuzzy word indexing agent for approximate retrieval. Also presents a case study demonstrating approximate fuzzy matching
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.3, S.180-184
-
Lu, S.-j.: ¬A study on Chinese subject headings (1997)
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- Abstract
- Discusses the theory and practice of subject headings, the principle and application of subject heading lists in various countries, and the present situation of the Chinese subject heading list in Taiwan. Suggests improvements to the chinese Subject Headings as follows: to increase the number of subject headings; to control the vocabulary to be used; to use fixed fields of Chinese MARC, performing the partial function of subdivision in the chinese Subject Headings; to announce the addition, correction and deletion of subject headings regularly and to compile a users' manual; to establish a national subject heading authority file in the MARC format; and to use the Chinese Subject Headings to organize Internet resources
- Source
- Bulletin of the Library Association of China. 1997, no.59, Dec., S.25-42
-
Xianghao, G.; Yixin, Z.; Li, Y.: ¬A new method of news test understanding and abstracting based on speech acts theory (1998)
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- Abstract
- Presents a method for the automated analysis and comprehension of foreign affairs news produced by a Chinese news agency. Notes that the development of the method was prededed by a study of the structuring rules of the news. Describes how an abstract of the news story is produced automatically from the analysis. Stresses the main aim of the work which is to use specch act theory to analyse and classify sentences
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.4, S.257-262
-
Huang, M.-H.: ¬The evaluation of information retrieval systems (1997)
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- Abstract
- Describes the current status of retrieval system evaluation and predicts its future development. discusses various performance measures and 'utility' concepts from a historical perspective. Also addresses the current status of search evaluation and dicusses the empirical findings of retrieval system evaluation
- Source
- Bulletin of the Library Association of China. 1997, no.59, Dec., S.109-126
-
Liu, H.-M.C.: Selection and comparison of WWW search tools (1996)
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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
- Source
- Journal of information; communication; and library science. 2(1996) no.4, S.41-63
-
Wu, C.-J.: Metadata and future developments in cataloguing (1997)
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- Abstract
- Metadata is a resource which can assist the information retrieval of digital documents on the Internet. In designing a metadata system, it is necessary to consider the characteristics of digital documents, such as the variety of file formats, frequent format transformation and the difficulty of distinguishing between the different versions. Provides a brief analysis of some existing metadata formats, and introduces several pronciples for the future development of cataloguing on the Internet. Briefly describes the Metadata Experimental System (MES) currently under development, and located at the author's homepage
- Source
- Journal of information; communication; and library science. 4(1997) no.2, S.42-52
-
Huang, W.-J.: ¬The definition of ontological and applied information and the trend of information service (1997)
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- Abstract
- Attempts to circumscribe 'information' by means of etymology and the semantics of Chinese characters rather than the traditional way, and also to define several other terms related to information. Discusses the characteristics of information and its movement, and reviews some issues about information science. Information science recognizes information and uses it for making decisions and solving problems. Yi-Jeng (the Book of Changes), the oldest book about the world system, not only explains the relationship between human beings and the universe, but also focuses on how to recognize and use information to improve quality of life and avoid calamity. Derives some conclusions useful for the development of information science from Yi-Jeng. Also discusses the chaotic state caused by rapidly developing networks without a precise concept. Considers some desirable characteristics for the design of information service systems
- Source
- Journal of information; communication; and library science. 3(1997) no.4, S.55-74
-
Lee, Y.-R.: ¬A study on the conditions of using OPAC access points and subject searching by users (1997)
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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
-
Yiqun, W.; Zhonghui, Z.; Li, Z.: Experimental study of machine factors and cognitive abilities of users (1998)
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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
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.6, S.412-418
-
Hsueh, L.-K.: ¬The application of PRECIS in indexing Chinese documents : an experimental study (1993)
0.01
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- Abstract
- Describes a study aimed at exploring possible applications for PRECIS for indexing Chinese documents, generating Chinses subject indexes, and for facilitating online information retrieval. A random sample of 498 Chinese subject indexing strings was taken from the Index to Chinese Periodical Literature and a comprehensive test of the PRECIS role operators was carried out. 18 problem areas were isolated and grouped into 8 categories. These problems stemmed mainly from syntactic differences between English and Chinese. Suggests modifications of and additions to the existing role operators and the accompanying software to overcome these problems
- Source
- Journal of library and information science. 19(1993) no.1, S.40-75
-
Lin, W.-Y.C.: ¬The concept and applications of faceted classifications (2006)
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- Abstract
- The concept of faceted classification has its long history and importance in the human civilization. Recently, more and more consumer Web sites adopt the idea of facet analysis to organize and display their products or services. The aim of this article is to review the origin and develpment of faceted classification, as well as its concepts, essence, advantage and limitation. Further, the applications of faceted classification in various domians have been explored.
- Date
- 27. 5.2007 22:19:35
- Source
- Journal of educational media and library sciences. 47(2006) no.2, S.153-171
