-
Chan, L.M.: Inter-indexer consistency in subject cataloging (1989)
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- Content
- Die Studie enthält Konsistenzzahlen bezogen auf die LCSH. Diese Zahlen sind kategorienbezogen und können teilweise auf die RSWK übertragen werden
- Source
- Information technology and libraries. 8(1989), S.349-358
-
Chan, L.M.; Mitchell, J.S.; Alex, H. (Übers.); Heiner-Freiling, M. (Übers.); Preuss, M. (Übers.): Dewey-Dezimalklassifikation : Theorie und Praxis (2006)
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- Footnote
- Die zunehmende Nutzung der DDC im deutschsprachigen Raum wird in den kommenden Jahren in der bibliothekarischen Ausbildung und Praxis zu einer stärkeren Nachfrage nach Informations- und Unterrichtsmaterialien zu dieser Klassifikation führen. Die deutsche Übersetzung des DDC-Lehrbuchs Dewey Decimal Classification: Principles and Application bietet für Studierende und praktisch mit dem DDC-Klassifizieren und -Recherchieren Arbeitende eine umfassende Einführung in die theoretischen Grundlagen der Klassifikation, ergänzt durch fachliche Aspekte und viele Einzelbeispiele. Der Gebrauch der Hilfstafeln und die Notationssynthesezwei wesentliche Elemente der DDC - werden detailliert erläutert und mit praktischen Übungen vertieft.
-
Chan, L.M.; Hodges, T.: Entering the millennium : a new century for LCSH (2000)
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- Abstract
- Library of Congress Subject Headings (LCSH), a system originally designed as a tool for subject access to the Library's own collection in the late nineteenth century, has become, in the course of the last century, the main subject retrieval tool in library catalogs throughout the United States and in many other countries. It is one of the largest non-specialized controlled vocabularies in the world. As LCSH enters a new century, it faces an information environment that has undergone vast changes from what had prevailed when LCSH began, or, indeed, from its state in the early days of the online age. In order to continue its mission and to be useful in spheres outside library catalogs as well, LCSH must adapt to the multifarious environment. One possible approach is to adopt a series of scalable and flexible syntax and application rules to meet the needs of different user communities
- Date
- 27. 5.2001 16:22:21
-
Chan, L.M.; Hodges, T.L.: Library of Congress Classification (LCC) (2009)
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- Date
- 27. 8.2011 14:22:42
- Source
- Encyclopedia of library and information sciences. 3rd ed. Ed.: M.J. Bates
-
Chan, L.M.; Mitchell, J.S.: Dewey Decimal Classification : principles and applications (2003)
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- Object
- DDC-22
-
Chan, L.M.: Library of Congress Subject Headings : principles and application (1995)
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- Date
- 25.11.2005 18:37:22
-
Chan, L.M.; Lin, X.; Zeng, M.: Structural and multilingual approaches to subject access on the Web (1999)
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- Abstract
- Zu den großen Herausforderungen einer sinnvollen Suche im WWW gehören die riesige Menge des Verfügbaren und die Sparchbarrieren. Verfahren, die die Web-Ressourcen im Hinblick auf ein effizienteres Retrieval inhaltlich strukturieren, werden daher ebenso dringend benötigt wie Programme, die mit der Sprachvielfalt umgehen können. Im folgenden Vortrag werden wir einige Ansätze diskutieren, die zur Bewältigung der beiden Probleme derzeit unternommen werden
-
O'Neill, E.T.; Chan, L.M.; Childress, E.; Dean, R.; El-Hoshy, L.M.; Vizine-Goetz, D.: Form subdivisions : their identification and use in LCSH (2001)
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- Date
- 10. 9.2000 17:38:22
-
Chan, L.M.: Library of Congress Classification as an online retrieval tool : potentials and limitations (1986)
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- Source
- Information technology and libraries. 5(1986), S.181-192
-
Chan, L.M.: Classification present and future (1995)
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- Abstract
- Suggests that recent developments in the way information is generated, packaged amd accessed have broadened and changed the nature and application of classification in library and information networks. Examines the role of classification by posing the following questions: what, how and why do we classify? Within this context the expanding role of classification is examined with regard to how classification affects accessing, browsing, identifying, navigating, mapping and evaluating information and how it is and may be used in collection and database management, controlled vocabulary construction and development, and research
- Footnote
- Paper presented at the 36th Allerton Institute, 23-25 Oct 94, Allerton Park, Monticello, IL: "New Roles for Classification in Libraries and Information Networks: Presentation and Reports"
-
Chan, L.M.: ¬The Library of Congress Classification System in an online environment (1990)
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- Footnote
- Paper presented at the 2nd Annette Lewis Phinazee Symposium on Classification as an enhancement of intellectual access to information in an online environment, held at the School of Library and Information Sciences, North Carolina Central University, Durham, North Carolina.
-
Chan, L.M.: Dewey Decimal Classification : Edition 21 and international perspectives. Opening remarks (1997)
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- Abstract
- In respect to the nature and quantity of available information, 1876 was a very different world from the one we know in the 1990s. Yet in spite of over a century of changes, the Dewey Decimal Classification (DDC), the system that helped organize a small college library, has grown to one that is helping the whole world organize its vast store of information resources. In this closing session, I would like to summarize some of the major factors that have contributed so far to the Dewey system's success as an information organization tool. I will also discuss ongoing efforts to ensure its viability in the future
-
Hodges, T.L.; Chan, L.M.: Subject cataloging principles and systems (2009)
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- Abstract
- After an introduction that addresses the means people use to search for information, this entry articulates the principles underlying various subject access options, including both controlled vocabulary systems and classification. It begins with a brief history of subject access provisions, including an account of the impact of automation, and goes on to discuss in some detail the principles underlying American library practice in respect to subject access. It then, briefly, describes selected subject-access schemes (including both subject heading lists and classification systems) in terms of how they reflect the principles presented, and how well they fulfill their stated functions.
- Source
- Encyclopedia of library and information sciences. 3rd ed. Ed.: M.J. Bates
-
Yi, K.; Chan, L.M.: Revisiting the syntactical and structural analysis of Library of Congress Subject Headings for the digital environment (2010)
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- Abstract
- With the current information environment characterized by the proliferation of digital resources, including collaboratively created and shared resources, Library of Congress Subject Headings (LCSH) is facing the challenges of effective and efficient subject-based organization and retrieval of digital resources. To explore the feasibility of utilizing LCSH in a digital environment, we might need to revisit its basic characteristics. The objectives of our study were to analyze LCSH in both syntactic and relational structures, to discover the structural characteristics of LCSH, and to identify problems and issues for the feasibility of LCSH as an effective subject access tool. This study reports and discusses issues raised by the syntactic and hierarchical structures of LCSH that present challenges to its use in a networked environment. Given the results of this study, we recommend a number of provisional future directions for the development of LCSH towards further becoming a viable system for digital and networked resources.
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.4, S.677-687
-
Chan, L.M.: Subject analysis tools online : the challenge ahead (1990)
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- Source
- Information technology and libraries. 9(1990), S.259-262
-
Chan, L.M.: Instructional materials used in teaching cataloging and classification (1987)
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- Abstract
- An informal survey was conducted for the purpose of identifying instructional materials used in teaching cataloging and classification in library and information science programs in the United States and Canada. Based on responses from instructors in these areas, three groups of instructional materials were identified: cataloging and classification tools, textbooks, and background and supplementary reading materials.
-
Zeng, M.L.; Chan, L.M.: Semantic interoperability (2009)
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- Source
- Encyclopedia of library and information sciences. 3rd ed. Ed.: M.J. Bates
-
Yi, K.; Chan, L.M.: Linking folksonomy to Library of Congress subject headings : an exploratory study (2009)
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- Abstract
- Purpose - The purpose of this paper is to investigate the linking of a folksonomy (user vocabulary) and LCSH (controlled vocabulary) on the basis of word matching, for the potential use of LCSH in bringing order to folksonomies. Design/methodology/approach - A selected sample of a folksonomy from a popular collaborative tagging system, Delicious, was word-matched with LCSH. LCSH was transformed into a tree structure called an LCSH tree for the matching. A close examination was conducted on the characteristics of folksonomies, the overlap of folksonomies with LCSH, and the distribution of folksonomies over the LCSH tree. Findings - The experimental results showed that the total proportion of tags being matched with LC subject headings constituted approximately two-thirds of all tags involved, with an additional 10 percent of the remaining tags having potential matches. A number of barriers for the linking as well as two areas in need of improving the matching are identified and described. Three important tag distribution patterns over the LCSH tree were identified and supported: skewedness, multifacet, and Zipfian-pattern. Research limitations/implications - The results of the study can be adopted for the development of innovative methods of mapping between folksonomy and LCSH, which directly contributes to effective access and retrieval of tagged web resources and to the integration of multiple information repositories based on the two vocabularies. Practical implications - The linking of controlled vocabularies can be applicable to enhance information retrieval capability within collaborative tagging systems as well as across various tagging system information depositories and bibliographic databases. Originality/value - This is among frontier works that examines the potential of linking a folksonomy, extracted from a collaborative tagging system, to an authority-maintained subject heading system. It provides exploratory data to support further advanced mapping methods for linking the two vocabularies.
-
Zeng, M.L.; Chan, L.M.: Trends and issues in establishing interoperability among knowledge organization systems (2004)
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- Source
- Journal of the American Society for Information Science and technology. 55(2004) no.5, S.377-395
-
O'Neill, E.T.; Childress, E.; Dean, R.; Kammerer, K.; Vizine-Goetz, D.; Chan, L.M.; El-Hoshy, L.: FAST: faceted application of subject terminology (2003)
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- Source
- Subject retrieval in a networked environment: Proceedings of the IFLA Satellite Meeting held in Dublin, OH, 14-16 August 2001 and sponsored by the IFLA Classification and Indexing Section, the IFLA Information Technology Section and OCLC. Ed.: I.C. McIlwaine
