Search (46 results, page 1 of 3)

  • × author_ss:"Vizine-Goetz, D."
  1. Vizine-Goetz, D.: Dewey research : new uses for the DDC (2001) 0.03 
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    Date
    22. 6.2002 19:32:34
    Type
    a
  2. Vizine-Goetz, D.; Beall, J.: Using literary warrant to define a version of the DDC for automated classification services (2004) 0.03 
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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
    Type
    a
  3. Vizine-Goetz, D.: OCLC investigates using classification tools to organize Internet data (1998) 0.03 
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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
    Type
    a
  4. 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) 0.02 
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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
    Type
    a
  5. O'Neill, E.T.; Dillon, M.; Vizine-Goetz, D.: Class dispersion between Library of Congress Classification and the Dewey Decimal Classification (1987) 0.00 
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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
    Type
    a
  6. 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) 0.00 
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  7. Ardö, A.; Godby, J.; Houghton, A.; Koch, T.; Reighart, R.; Thompson, R.; Vizine-Goetz, D.: Browsing engineering resources on the Web : a general knowledge organization scheme (Dewey) vs. a special scheme (EI) (2000) 0.00 
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    Abstract
    Under the auspices of the Desire II project, researchers at NetLab and OCLC are providing searching and browsing of a test collection of engineering documents on the Web. The goal of the project is to explore simple methods of automatic classification to provide subject browsing of a robot-generated engineering index. At NetLab the documents are automatically classified and organized using an engineering-specific scheme, the Engineering Index (Ei) Thesaurus and Classification; at OCLC the Dewey Decimal Classification (DDC), a general knowledge organization scheme, is being used
    Type
    a
  8. Vizine-Goetz, D.: Spectrum: A Web-Tool for Describing Internet Resources (2001) 0.00 
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  9. Vizine-Goetz, D.; Markey, K.: Subject access literature : 1987 (1988) 0.00 
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  10. O'Neill, E.T.; Vizine-Goetz, D.: Quality control in online databases (1989) 0.00 
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  11. Drabenstott, K.M.; Vizine-Goetz, D.: Search trees for subject searching in online catalogs (1990) 0.00 
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  12. Markey, K.; Vizine-Goetz, D.: Untraced reference in the machine-readable Library of Congress Subject Headings (1989) 0.00 
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  13. Vizine-Goetz, D.: Cataloging productivity tool : II. Subject headings for children (1994) 0.00 
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  14. Mitchell, J.S.; Vizine-Goetz, D.: DDC taxonomy server (2000) 0.00 
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    Abstract
    We describe a new information technology for knowledge organization: the development of a Web-accessible "taxonomy" server based on the top levels of the Dewey Decimal Classification (DDC) system. The server offers a publicly accessible automatic metadata creation tool that returns metadata encoded in XML. This paper discusses the role of the DDC in the project. Included in the metadata is automatic subject assignment based on the DDC and represented in XML. The project also provides a public browsing interface that uses the DDC as its underlying structure the DDC
    Type
    a
  15. Vizine-Goetz, D.; Hickey, C.; Houghton, A.; Thompson, R.: Vocabulary mapping for terminology services (2004) 0.00 
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    Abstract
    The paper describes a project to add value to controlled vocabularies by making inter-vocabulary associations. A methodology for mapping terms from one vocabulary to another is presented in the form of a case study applying the approach to the Educational Resources Information Center (ERIC) Thesaurus and the Library of Congress Subject Headings (LCSH). Our approach to mapping involves encoding vocabularies according to Machine-Readable Cataloging (MARC) standards, machine matching of vocabulary terms, and categorizing candidate mappings by likelihood of valid mapping. Mapping data is then stored as machine links. Vocabularies with associations to other schemes will be a key component of Web-based terminology services. The paper briefly describes how the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) is used to provide access to a vocabulary with mappings.
  16. Vizine-Goetz, D.; Mitchell, J.S.: Dewey 2000 (1995) 0.00 
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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
    Type
    a
  17. Chan, L.M.; Vizine-Goetz, D.: Towards a computer-generated subject validation file : feasibility and usefulness (1998) 0.00 
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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
    Type
    a
  18. Vizine-Goetz, D.: Subject headings for everyone : popular Library of Congress Subject Headings with Dewey numers (1998) 0.00 
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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
    Type
    a
  19. Vizine-Goetz, D.; Houghton, A.; Childress, E.: Web services for controlled vocabularies (2006) 0.00 
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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.
    Type
    a
  20. Chan, L.M.; Childress, E.; Dean, R.; O'Neill, E.T.; Vizine-Goetz, D.: ¬A faceted approach to subject data in the Dublin Core metadata record (2001) 0.00 
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    Abstract
    This article describes FAST, the Faceted Application of Subject Terminology, a project at OCLC to make Library of Congress Subject Headings easier to use in Dublin Core metadata by breaking out facets of space, time, and form. Work on FAST can be watched at its web site, http://www.miskatonic.org/library/, which has recent presentations and reports. It is interesting to see facets and Dublin Core combined, though both LCSH and FAST subject headings are beyond what most people making a small faceted classification would want or need.
    Type
    a

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