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Dissertations / Theses on the topic 'Online library catalogs Subject access'

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Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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1

Golub, Koraljka. "Subject retrieval in web-based library catalogs." Licentiate thesis, Filozofski fakultet u Zagrebu, Department of Information Science, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-37099.

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This thesis has been motivated by past research, problems and realizations that online library catalog users frequently perform subject searches – using keywords, subject headings and descriptors – and these searches have yielded unsatisfactory results. Web-based catalogs or WebPACs (Web-based Online Public Access Catalogs), belonging to the so-called third generation of online catalogs and providing a wide variety of search options, remain largely underutilized despite the continuous advancement of information retrieval systems. Users still encounter a number of problems, such as those related to translating their concepts to the language of the catalog’s system and cross-references prepared to this purpose. Subject access in online library catalogs can be provided through different access points. To that purpose natural and controlled indexing and retrieval languages are used, and each among them has its advantages and downsides. Natural language indexing is performed by the computer, in which process words from defined fields are automatically extracted. Controlled indexing languages are those in which selection of terms to be assigned to documents is manually performed. These are, for example, classification systems, subject heading languages and thesauri. During the 1970s, a consensus was reached that the best retrieval results are gained when using both types of indexing languages simultaneously. Apart from indexing languages, it is necessary to take into account user search behavior; and while designing user interface one has to allow for the users’ skills and knowledge - ensuring instruction, help and feedback information at every step of the retrieval process. The aim of the research was to determine the variety and quality of subject access to information in WebPACs of British university libraries, including searching by words or classification marks, natural and controlled languages, browsing options, and forming simple and complex queries in order to conclude about existing advancements, offered models and employed methods and compare them to WebPACs of Croatian university libraries.
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2

Hancock-Beaulieu, Micheline. "Subject searching behaviour at the library catalogue and at the shelves : evaluating the impact of an online public access catalogue." Thesis, City University London, 1989. http://openaccess.city.ac.uk/7946/.

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Searching behaviour in a university library is studied using a holistic approach encompassing the use of bibliographic tools and browsing at the shelves. The project was designed as a 'before and after' study to evaluate the impact of an online catalogue on subject searching behaviour. A combined methodology was devised using a talk-aloud technique, observation, and screen logging facility to elicit both verbal and non-verbal data from users in their searching activity at the manual bibliographic tools, including a microfiche catalogue and printed PRECIS index and at the online catalogue, as well as at the shelves. The data was recorded on a highly structured dual questionnaire and observation form with some real time expert interpretation. The limitations of the methodological approach of previous catalogue use studies are highlighted suggesting that subject searching as a basic primary need had been previously underestimated. The online catalogue does not seem to have increased the extent of subject searching nor the use of the bibliographic tool. An extensive qualitative analysis correlating expressed topics, search formulation strategies and documents retrieved at the shelves reveals the adaptive nature of the subject searching process, whereby the user adapts to the structure of the tools available. The PRECIS index supports a contextual approach for broad search formulations and more interactive reformulations whereas the OPAC encouraged a matching approach and narrow formulations with fewer but user generated reformulations. The success rate of the online catalogue was slightly better than that for the PRECIS index but fewer items were retrieved at the shelves. Nonusers of the bibliographic tools seemed to be just as successful. The information retrieval task in both searching environments is tailored by the system to a single one dimensional sequential process. It is suggested that a major obstacle to subject searching effectiveness may lie in the lack of interaction between the different subject access elements: the indexing language, the classification and the titles. The study concludes that to improve retrieval effectiveness online catalogues should cater for both matching and contextual approaches to searching. Recent research indicates that a more interactive process could be promoted by providing query expansion through a combination of searching aids for matching, for search formulation assistance and for structured contextual retrieval.
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3

Park, Il-jong. "Evaluation by Korean students of major online public access catalogs in selected academic libraries." Thesis, University of North Texas, 1994. http://catalog.hathitrust.org/api/volumes/oclc/33376824.html.

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4

Carman, Nicholas. "LibraryThing tags and Library of Congress Subject Headings a comparison of science fiction and fantasy works : submitted to the School of Information Management, Victoria University of Wellington in partial fulfilment of the requirements for the degree of Master of Library and Information Studies /." ResearchArchive@Victoria e-Thesis, 2009. http://hdl.handle.net/10063/1272.

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5

Xu, Hong. "Redundancy and uniqueness of subject access points in online catalogs." 1996. http://books.google.com/books?id=g93gAAAAMAAJ.

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6

Lester, Marilyn A. "Coincidence of user vocabulary and Library of Congress subject headings experiments to improve subject access in academic library online catalogs /." 1989. http://books.google.com/books?id=c93gAAAAMAAJ.

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Thesis (Ph. D.)--University of Illinois--Urbana-Champaign, 1989.
Vita. Typescript (photocopy). eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 288-310).
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7

Rakoma, Pamela Portia Thembeka. "An investigation of the management and maintenance of an online subject directory with particular reference to the South African Literature Online resource." Thesis, 2004. http://hdl.handle.net/10321/100.

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Thesis (M.Tech.: Library and Information Studies)-Durban Institute of Technology, 2004. viii, 71 leaves
The aim of the study was to investigate management and maintenance procedures that were used by other sites and how these could be used as a basis for formulating management and maintenance procedures for the SALO subject directory.
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8

Flowers, Kay A. "On-line catalogs: Knowledge structure and subject access." Thesis, 1995. http://hdl.handle.net/1911/13949.

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On-line catalogs are replacing card catalogs in libraries. This paper reviews research covering the catalog's human-machine interface with emphasis on the difficulties of subject searching. Study 1 replicates previous findings that subject searching, though most often used, is the most problematic type of searching. In Study 2, the organization of the Library of Congress Subject Headings is compared with the knowledge structures of subject experts, subject novices, and librarians. Experts and novices in cognitive psychology differ from each other and from the subject heading structure, but librarians fall in between the two groups. The structures derived are used in Study 3 to predict the success of searching done by subject area novices and experts as well as by librarians. Experts in cognitive psychology find target books more easily than novices, but differences between librarians, subject experts, and subject novices are due to system experience, not subject expertise.
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9

Snelson, Pamela. "Relationships between access and use in information systems remote access to and browsing of online catalogs /." 1993. http://books.google.com/books?id=W8zgAAAAMAAJ.

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10

Slack, Frances. "OPACs using enhanced transaction logs to achieve more effective online help for subject searching /." 1991. http://books.google.com/books?id=U9jgAAAAMAAJ.

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Thesis (Ph. D.)--Manchester Polytechnic, 1991.
Appendices B, C, E, H, and I not reproduced for copyright reasons. "DX-96299." eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 226-237).
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11

Sawyer, Jeanne Clifford. "A reference and planning model for library online public access catalogs." 1990. http://books.google.com/books?id=sNHgAAAAMAAJ.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 1990.
eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves [136]-148).
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12

Abels, David Mark. "Sequencing items in multiple-item displays on online public access catalogs." 1993. http://books.google.com/books?id=QMzgAAAAMAAJ.

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Thesis (Ph. D.)--University of California, Los Angeles, 1993.
Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 191-199).
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13

Troxel, Steven Richard. "Middle school library catalog access a comparison between electronic and manual catalog systems /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37472410.html.

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14

Connell, Tschera Harkness. "Librarian subject searching in online catalogs an exploratory study of knowledge used /." 1991. http://books.google.com/books?id=7vXgAAAAMAAJ.

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Thesis (Ph. D.)--University of Illinois at Urbana-Champaign, 1991.
Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 240-244).
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15

Solomon, Paul. "Information systems for children explorations in information access and interface usability for an online catalog in an elementary school library /." 1991. http://books.google.com/books?id=jfbgAAAAMAAJ.

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16

Kim, Mi-hyeon. "Influence of several screen design variables on the usability of an OPAC (online public access catalog) an empirical investigation /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36626492.html.

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Thesis (Ph. D.)--Florida State University, 1996.
"This study was conducted in the computer laboratory of the College of Education, at Florida State University using Macintosh computers"--P. 52. Includes vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 140-148).
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17

Brown, Mary Esther. "Children's naming of subject categories developmental differences in the invariant properties of category labelling /." 1994. http://books.google.com/books?id=j9PgAAAAMAAJ.

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18

Van, Staden Corne Johandia. "User experience evaluation of electronic moderation systems : a case study at a private higher education institution in South Africa." Thesis, 2017. http://hdl.handle.net/10500/23586.

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The transformation of a manual paper-based moderation process into an electronic moderation (eModeration) process poses unique challenges. These challenges concern academic processes, people and the user experience of interactive systems. eModeration can improve the user experience of assessment processes while lowering the risk of delaying the process or losing scripts. Despite the benefits associated with optimising assessment procedures, particularly examination procedures, the use of eModeration in South Africa is limited. There are several possible reasons for a lack of eModeration adoption ranging from infrastructure and technical issues through to organisational and human factors. The focus of this study is on the human factors involved in eModeration. Since no User Experience Evaluation Framework for eModeration existed at the time of this research, an in-depth study was conducted based on the experiences of eModeration users in the context of private higher education institutions. The study focused on identifying the most important user experience constructs for the evaluation of an eModerate system within the context of private higher education institutions in South Africa towards proposing a framework. The study was based in the fields of Information Systems and Human-Computer Interaction with eModeration being the application domain. The research used a Design Science Research methodology, which involved the development and testing of a User Experience Evaluation Framework for eModeration. The data generation methods included interviews with deans, eModerators and management, as well as a survey that included responses from both moderators and deans. The research was conducted at Midrand Graduate Institute and evaluated at Monash University. The study makes a validated contribution towards identifying the most important user experience constructs. The identified constructs were utilised in the design and development of the User Experience Evaluation Framework for eModeration, which can be used along with the evaluation criteria tool to evaluate eModerate systems.
Information Science
D. Litt. et Phil. (Information Systems)
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