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Drabenstott, K.M.; Burman, C.M.: Analytical review of the library of the future (1994)
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- Content
- Thematisch angeordnete Zusammenstellung von Aussagen aus der Literatur zum Thema 'Library of the future'
-
Drabenstott, K.M.; Simcox, S.; Fenton, E.G.: End-user understanding of subject headings in library catalogs (1999)
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- Date
- 10. 9.2000 17:38:22
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Drabenstott, K.M.: Web search strategies (2000)
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- Abstract
- Surfing the World Wide Web used to be cool, dude, real cool. But things have gotten hot - so hot that finding something useful an the Web is no longer cool. It is suffocating Web searchers in the smoke and debris of mountain-sized lists of hits, decisions about which search engines they should use, whether they will get lost in the dizzying maze of a subject directory, use the right syntax for the search engine at hand, enter keywords that are likely to retrieve hits an the topics they have in mind, or enlist a browser that has sufficient functionality to display the most promising hits. When it comes to Web searching, in a few short years we have gone from the cool image of surfing the Web into the frying pan of searching the Web. We can turn down the heat by rethinking what Web searchers are doing and introduce some order into the chaos. Web search strategies that are tool-based-oriented to specific Web searching tools such as search en gines, subject directories, and meta search engines-have been widely promoted, and these strategies are just not working. It is time to dissect what Web searching tools expect from searchers and adjust our search strategies to these new tools. This discussion offers Web searchers help in the form of search strategies that are based an strategies that librarians have been using for a long time to search commercial information retrieval systems like Dialog, NEXIS, Wilsonline, FirstSearch, and Data-Star.
- Date
- 22. 9.1997 19:16:05
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Drabenstott, K.M.; Demeyer, A.N.; Gerckens, J.; Poe, D.T.: Analysis of a bibliographic database enhanced with a library classification (1990)
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Drabenstott, K.M.: Enhancing a new design for subject access to online catalogs (1994)
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Drabenstott, K.M.; Weller, M.S.: Testing a new design for subject searching in online catalogs (1994)
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- Abstract
- Library users continue to experience difficulty in using the online catalog, particularly in the area of subject access. This project describes a test of a new design for subject access to online catalogs. The new design requires a wide range of subject searching capabilities and search trees to govern the system's selection of searching capabilities in response to user queries. Is the performance of search trees superior to subject searching approaches chosen at random? This project is geared to make that determination
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Drabenstott, K.M.: Interpreting the findings of "A study of library users and their understanding of subject headings" (1999)
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Drabenstott, K.M.: ¬The need for machine-readable authority records for topical subdivisions (1992)
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- Abstract
- This paper recognizes the limitations of the existing file of Library of Congress authority records for subject heading assignment and validation. It makes recommendations for a new machine-readable file of authority records for topical subdivisions and for enhancements to the existing subject authority file. The recommended changes qould enable online systems to assist in subject heading formulation and verify, with limited assistance by human intermediaries, the individual components of subdivided headings. A study of subdivided subject headings in a large bibliographic database forms the basis of the recommendations
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Drabenstott, K.M.; Vizine-Goetz, D.: Search trees for subject searching in online catalogs (1990)
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Holley, R.P.; Drabenstott, K.M.: ¬An interview with Karen M. Drabenstott (2001)
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- Abstract
- In an interview with Robert P. Holley, Karen M. Drabenstott provides a history of a professional career that has focused on subject access to information. Since her early work with Pauline Cochrane, she has strongly supported enhanced bibliographic records as a way to improve user access in the online catalog. Her Dewey Decimal Classification Online project showed that the classification offers increased subject retrieval. Her current projects include improved strategies for Web searching and multimedia literacy including subject access.
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Drabenstott, K.M.: Facilitating geographic subdivision assignment in subject headings (1992)
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- Abstract
- Recognises the limitations of the existing files of Library of Congress name and subject authority records for indirect geographic subdivision. Makes recommendations for enhancements to existing authority records, which would enable online systems to assist in subject heading formulation and verify, with limited assistance by human intermediaries, whether geographic subdivision is authorized for use with a particular main heading and whether the correct form of indirect geographic subdivision is authorized for use with a particular main heading and whether the correct form of indirect geographic subdivision is given. A study of subdivided subject headings in a large bibliographic data base forms the basis of the recommendations
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Drabenstott, K.M.; Weller, M.S.: Failure analysis of subject searches in a test of a new design for subject access to online catalogs (1996)
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- Abstract
- This article describes the findings of a research project that tested a new subject-access design in an experimental online catalog that had a wide range of subject-searching capabilities and search trees to govern the system's selection of searching capabilities in response to user queries. Library users at 2 academic libraries searched this experimental catalog for topics of their own choosing, judges the usefulness of retrieved titles, and answered post-search questions about their searching experiences. Mixed results from a quantitative analysis (i.e., precision scores) were supplemented with the more conclusive results from a qualitative analysis (i.e., failure analysis). Overall, analyses demonstrated that the new subject-access design that featured search trees was more effective in selecting a subject-searching approach that would prooduce useful information for the subjects users seek than users would select on their own. The qualitative analysis was especially helpful in providing recommendations for improving specific subject-searching approaches to increase their effenciency, increase user perseverance, and encourage browsing. It also suggested enhancements to the new subject-searching design to enable systems to respond to the wide variety of user queries for subjects
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Drabenstott, K.M.: Experiences with online catalogs in the USA using a classification system as a subject searching tool (1990)
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Drabenstott, K.M.; Weller, M.S.: Improving personal-name searching in online catalogs (1996)
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- Abstract
- Reports results of a study to examine the performance of online catalogue searches involving personal names and to recommend improvements to the basic system approach to soliciting user queries and searching for them. The research questions addressed in the study wre: how online systems can chose searching approaches on their own that are likely to produce useful retrieval; how online systems solicit queries from users; and how users respond to an experimental online catalogue that prompts them for the different elements of their personal name queries. Improvements include: the implementation of a new design for online catalogue searching that features search trees; new methods for soliciting user queries bearing personal names; and enlisting the participation of online catalogue users in the evaluation of system prompts, instructions, and messages that request input from them
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Drabenstott, K.M.; Weller, M.S.: ¬A comparative approach to system evaluation : delegating control of retrieval tests to an experimental online system (1996)
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- Abstract
- Describes the comparative approach to system evaluation used in this research project which delegated the administartion of an online retrieval test to an experimental online catalogue to produce data for evaluating the effectiveness of a new subject access design. Describes the methods enlisted to sort out problem test administration, e.g. to identify out-of-scope queries, incomplete system administration, and suspect post-search questionnaire responses. Covers how w the researchers handled problem search administrations and what actions they would use to reduce or eliminate the occurrence of such administrations in future online retrieval tests that delegate control of retrieval tests to online systems
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Drabenstott, K.M.; Weller, M.S.: Testing a new design for subject access to online catalogs (1995)
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-
Drabenstott, K.M.; Simcox, S.; Fenton, E.G.: Do patrons understand Library of Congress Subject Headings? (1999)
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Drabenstott, K.M.; Dede, B.A.R.; Leavit, M.: ¬The changes of meaning in subdivided subject headings (1999)
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- Abstract
- The impetus for a large-scale study on subject heading understanding was a recommendation of the Library of Congress (LC) Subject Subdivisions Conference that suggested standardizing the order of subject subdivisions for the purpose of simplifying subject cataloging. This paper focuses on unexpected large-scale study findings about multiple meanings for subdivided subject headings and the effects that changes of meaning for different orders of subdivisions had on the meanings that end users and librarians provided to subdivided subject headings. Findings about changes of meaning in subdivided subject headings did not dissuade the authors regarding their recommendation that the library community adopt a standard order of subdivisions. The authors also give suggestions for additional studies of subject heading understanding that build on this one.
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Drabenstott, K.M.: Period subdivisions in the Library of Congress Subject Headings system : some thoughts and recommendations for the future (1992)
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- Abstract
- This paper recognizes the limitations of the existing file of Library of Congress (LC) subject authority records for subject heading assignment and validation. it makes recommendations for a new file of machine readable authority records for period subdivisions and for enhancements to the existings file of subject authority records. Recommended changes would enable online systems to assist in subject heading formulations and verify, with limited assistance by human intermediaries, the individual components of subdivided headings. The recommendations are timely in view of changes to the forms of period subdivisions that the Library of Congress is studying to facilitate the display of period subdivisions in chronological order. The availability of machine-readable authority records for most period subdivisions would enable online systems to automatically make changes to the forms of period subdivisions in bibliographic records using cross references for previously-used forms in the autority records for the new forms. The paper also discusses issues arising from an enhancement of the existing controlled system of period subdivision. A study of subdivided subject headings in a large bibliographic database forms the basis of the recommendations
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Drabenstott, K.M.; Riester, L.C.; Dede, B.A.: Shelflisting using expert systems (1992)
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- Abstract
- A prototype expert system for the computer science section (QA75 to QA76.95) of Library of Congress Classification was built using the Mahogany Professional expert system shell. The prototype demonstrates an expert systes application in which the system is enlisted as an intelligent job aid to assist users during the actual performance of shelflisting
- Type
- a
