-
Vizine-Goetz, D.: OCLC investigates using classification tools to organize Internet data (1998)
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- Abstract
- The knowledge structures that form traditional library classification schemes hold great potential for improving resource description and discovery on the Internet and for organizing electronic document collections. The advantages of assigning subject tokens (classes) to documents from a scheme like the DDC system are well documented
- Date
- 22. 9.1997 19:16:05
- Imprint
- Urbana-Champaign, IL : Illinois University at Urbana-Champaign, Graduate School of Library and Information Science
- Source
- Visualizing subject access for 21st century information resources: Papers presented at the 1997 Clinic on Library Applications of Data Processing, 2-4 Mar 1997, Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign. Ed.: P.A. Cochrane et al
-
O'Neill, E.T.; Vizine-Goetz, D.: Quality control in online databases (1989)
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- Source
- Annual review of information science and technology. 23(1988), S.125-156
-
O'Neill, E.T.; Dillon, M.; Vizine-Goetz, D.: Class dispersion between Library of Congress Classification and the Dewey Decimal Classification (1987)
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- Abstract
- Two measures are examined that characterize the dispersion of a classification system when mapped to a second classification. One, a distance measure, captures the physical spread of a class when represented in the secon system; the second, from rank-frequency-analysis, characterizes the scatter of tokens over a set of types. The measures are tested by applying them to the library science portions of the LCC and the DDC using a database drawn from MARC records. Class mappings are presented that exemplify four extreme points of the two measures considered together: mappings where both measures score high, mappings where both score low, and mappings where one measure is high and the other is low. The conclusion is that the measures characterize two different properties of dispersion
- Source
- Journal of the American Society for Information Science. 38(1987), S.197-205
-
Vizine-Goetz, D.; Beall, J.: Using literary warrant to define a version of the DDC for automated classification services (2004)
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- Abstract
- This paper presents the results of an exploratory study to determine literary warrant for topics in electronic resources. The classification numbers in Abridged Edition 14 were used as a starting point. Using the principles of abridgment and expansion in Dewey, a version of the DDC is defined that accommodates the topics found an three diverse Web sites that use Dewey: BUBL, Canadian Information By Subject, and KidsClick! The resulting classes are used to create a database for automated classification of Web resources.
- Object
- DDC-22
- Source
- Knowledge organization and the global information society: Proceedings of the 8th International ISKO Conference 13-16 July 2004, London, UK. Ed.: I.C. McIlwaine
-
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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- Abstract
- Form subdivisions have always been an important part of the Library of Congress Subject Headings. However, when the MARC format was developed, no separate subfield code to identify form subdivisions was defined. Form and topical subdivisions were both included within a general subdivision category. In 1995, the USMARC Advisory Group approved a proposal defining subfield v for form subdivisions, and in 1999 the Library of Congress (LC) began identifying form subdivisions with the new code. However, there are millions of older bibliographic records lacking the explicit form subdivision coding. Identifying form subdivisions retrospectively is not a simple task. An algorithmic method was developed to identify form subdivisions coded as general subdivisions. The algorithm was used to identify 2,563 unique form subdivisions or combinations of form subdivisions in OCLC's WorldCat. The algorithm proved to be highly accurate with an error rate estimated to be less than 0.1%. The observed usage of the form subdivisions was highly skewed with the 100 most used form subdivisions or combinations of subdivisions accounting for 90% of the assignments.
- Date
- 10. 9.2000 17:38:22
-
Vizine-Goetz, D.: From book classification to knowledge organization : improving resource description and discovery (1997)
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- Abstract
- OCLC's NetFirst Internet database includes DDC numbers and LoC subject headings to facilitate access to resources. 3 OCLC research projects are helping explore the potential of DDC as a knowledge-structuring tool for large collections of electronic documents. The Scorpion system explores indexing and cataloguing of electronic resources, with emphasis on building tools for automatic subject recognition using schemes like the DDC. Dewey ETC Trees and Wordsmith are concerned with expanding the Deqey knowledge based and enhancing the vocabulary and terminology of the DDC
- Source
- Bulletin of the American Society for Information Science. 24(1997) no.1, Oct./Nov., S.24-27
-
Vizine-Goetz, D.; Houghton, A.; Childress, E.: Web services for controlled vocabularies (2006)
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- Abstract
- Amid the debates about whether folksonomies will supplant controlled vocabularies and whether the Library of Congress Subject Headings (LCSH) and Dewey Decimal Classification (DDC) system have outlived their usefulness, libraries, museums and other organizations continue to require efficient, effective access to controlled vocabularies for creating consistent metadata for their collections . In this article, we present an approach for using Web services to interact with controlled vocabularies. Services are implemented within a service-oriented architecture (SOA) framework. SOA is an approach to distributed computing where services are loosely coupled and discoverable on the network. A set of experimental services for controlled vocabularies is provided through the Microsoft Office (MS) Research task pane (a small window or sidebar that opens up next to Internet Explorer (IE) and other Microsoft Office applications). The research task pane is a built-in feature of IE when MS Office 2003 is loaded. The research pane enables a user to take advantage of a number of research and reference services accessible over the Internet. Web browsers, such as Mozilla Firefox and Opera, also provide sidebars which could be used to deliver similar, loosely-coupled Web services.
- Source
- Bulletin of the American Society for Information Science and Technology. 33(2006) no.5, S.xx-xx
-
Vizine-Goetz, D.: Dewey research : new uses for the DDC (2001)
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- Date
- 22. 6.2002 19:32:34
-
Chan, L.M.; Vizine-Goetz, D.: Feasibility of a computer-generated subject validation file based on frequency of occurrence of assigned LC Subject Headings (1995)
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- Source
- Annual review of OCLC research. 1995, S.46-50
-
Chan, L.M.; Vizine-Goetz, D.: Towards a computer-generated subject validation file : feasibility and usefulness (1998)
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- Abstract
- Recognition, by libraries, of the need for improved efficiency and reliability in subject authority control in catalogues led to a study of the feasibility of automatically creating a subject heading validation file by scanning the OLUC. The premises were: that although the file would not be axhaustive, it would contain the majority of frequently used headings; and that the predicted level of accurary in the file would be high. A sample file of Library of Congress assigned subject headings, from the OCLC Subject Headings Corrections database was analyzed. Results showed that: the frequency of use varies inversely with the number of headings at a given rrate of use; a small number of headings with high frequencies of use accounts for the majority of total use, while a large proportion shows very low frequency of use; topical headings account for 2/3 of assigned headings; and error and obsolescence rates are both low and are in inverse relationship to the frequency of heading use. Concludes that an automatically generated subject heading validation file is feasible and could serve various purposes, including: verification of subject heading strings constructed by cataloguers; updating of subject headings in catalogue maintenance; and validation of subject headings during retrospective catalogue conversion
-
Chan, L.M.; Vizine-Goetz, D.: Errors and obsolete elements in assigned Library of Congress Subject Headings : implications for subject cataloging and subject authority control (1997)
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- Abstract
- An analysis of a sample of 9.442 headings assigned by the LoC to bibliographic records disclosed 2 types of invalid headings: those that were erroneous and those that were obsolete. Each type revealed recurring patterns. Errors and obsolete elements occuring in assigned heading involve MARC coding, terminology in main headings and subdivisions, application of subdivisions, and in mechanical elements such as punctuation and capitalization. Different headings (e.g. personal name, corporate name, topical, etc.) display different patterns as well as predominance of errors and obsoleteness. Although the overall error rate is low, an awareness and understanding of patterns of errors and obsolescnce in subject heading strings should contribute to improvement in subject heading assignment and subject authority control
-
Vizine-Goetz, D.; Mitchell, J.S.: Dewey 2000 (1995)
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- Abstract
- The paper contains a discussion of the research areas around the DDC: developing customizable views of the DDC, enhancing links to other thesauri, improving links to other editions, transforming the captions into end-user language, and decomposing number and using the parts for improved access
- Source
- Annual review of OCLC research. 1995, S.16-19
-
Vizine-Goetz, D.: Subject headings for everyone : popular Library of Congress Subject Headings with Dewey numers (1998)
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- Abstract
- The goal of the project is to produce a list of popular LCSH with Dewey numbers suitable for use by general users
-
Hickey, T.B.; Vizine-Goetz, D.: ¬The Role of Classification in CORC (2001)
0.01
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- Footnote
- Teil eines Themenheftes: OCLC and the Internet: An Historical Overview of Research Activities, 1990-1999 - Part II
- Source
- Journal of library administration. 34(2001) nos.3/4, S.421-430
-
Vizine-Goetz, D.: Spectrum: a Web-based tool for describing electronic resources (1995)
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- Abstract
- Substantial efforts to establish standards for encoding and accessing electronic resources have occured over the past 5 years. Reports the design of a Web based tool, Spectrum, to enable individuals without specialized knowledge of library cataloguing or markup to create records for describing and accessing networked electronic resources of various types. System users may create descriptions of electronic resources and view them as formatted USMARC bibliographic records; TEI headers and URCs. Because continued volatitlity in the definition of data element standards is anticipated, the Spectrum system is designed to allow maximum flexibility in the design of the input formats
-
Vizine-Goetz, D.: DeweyBrowser (2006)
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- Abstract
- The DeweyBrowser allows users to search and browse collections of library resources organized by the Dewey Decimal Classification (DDC) system. The visual interface provides access to several million records from the OCLC WorldCat database and to a collection of records derived from the abridged edition of DDC. The prototype was developed out of a desire to make the most of Dewey numbers assigned to library materials and to explore new ways of providing access to the DDC.
-
Vizine-Goetz, D.; Drabenstott, K.M.: Computer and manual analysis of subject terms entered by online catalog users (1991)
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- Abstract
- Subject queries were extracted from 3 universities' online catalogues and analysed to determine the extend to which they matched subject headings in the LCSH. Computer analyses show that nearly 25% of the subject queries entered by online catalogue users are exact matches of LCSH. Yet, manual analyses show that, even though a user matches or closely matches LCSH-mr, the citations retrieved by this vocabulary are not necessarily satisfactory. Sometimes the closest LCSH-mr is not at all pertinent to a user's topic of interest. This study presents reasons why close matches of LCSH-mr are not always satisfactory and suggests approaches to finding the best matches of the catalogue's controlled vocabulary
- Source
- ASIS'91: systems understanding people. Proc. of the 54th Annual Meeting of the ASIS, vol.28, Washington, DC, 27.-31.10.1991. Ed.: J.-M. Griffiths
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Vizine-Goetz, D.: Classification Research at OCLC (2001)
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- Footnote
- Teil eines Themenheftes: OCLC and the Internet: An Historical Overview of Research Activities, 1990-1999 - Part I
- Source
- Journal of library administration. 34(2001) nos.1/2, S.199-208
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Vizine-Goetz, D.: Spectrum: A Web-Tool for Describing Internet Resources (2001)
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- Footnote
- Teil eines Themenheftes: OCLC and the Internet: An Historical Overview of Research Activities, 1990-1999 - Part I
- Source
- Journal of library administration. 34(2001) nos.1/2, S.49-56
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Vizine-Goetz, D.; Mitchell, J.S.: Dewey 2000 (2001)
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- Footnote
- Teil eines Themenheftes: OCLC and the Internet: An Historical Overview of Research Activities, 1990-1999 - Part I
- Source
- Journal of library administration. 34(2001) nos.1/2, S.103-109
