-
Connaway, L.S.; Sievert, M.C.: Comparison of three classification systems for information on health insurance (1996)
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- Abstract
- Reports results of a comparative study of 3 classification schemes: LCC, DDC and NLM Classification to determine their effectiveness in classifying materials on health insurance. Examined 2 hypotheses: that there would be no differences in the scatter of the 3 classification schemes; and that there would be overlap between all 3 schemes but no difference in the classes into which the subject was placed. There was subject scatter in all 3 classification schemes and litlle overlap between the 3 systems
- Date
- 22. 4.1997 21:10:19
- Type
- a
-
Winske, E.: ¬The development and structure of an urban, regional, and local documents classification scheme (1996)
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- Footnote
- Paper presented at conference on 'Local documents, a new classification scheme' at the Research Caucus of the Florida Library Association Annual Conference, Fort Lauderdale, Florida 22 Apr 95
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- a
-
Kwasnik, B.H.: ¬The role of classification in knowledge representation (1999)
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- Abstract
- A fascinating, broad-ranging article about classification, knowledge, and how they relate. Hierarchies, trees, paradigms (a two-dimensional classification that can look something like a spreadsheet), and facets are covered, with descriptions of how they work and how they can be used for knowledge discovery and creation. Kwasnick outlines how to make a faceted classification: choose facets, develop facets, analyze entities using the facets, and make a citation order. Facets are useful for many reasons: they do not require complete knowledge of the entire body of material; they are hospitable, flexible, and expressive; they do not require a rigid background theory; they can mix theoretical structures and models; and they allow users to view things from many perspectives. Facets do have faults: it can be hard to pick the right ones; it is hard to show relations between them; and it is difficult to visualize them. The coverage of the other methods is equally thorough and there is much to consider for anyone putting a classification on the web.
- Source
- Library trends. 48(1999) no.1, S.22-47
- Type
- a
-
Molholt, P.: Qualities of classification schemes for the Information Superhighway (1995)
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- Abstract
- For my segment of this program I'd like to focus on some basic qualities of classification schemes. These qualities are critical to our ability to truly organize knowledge for access. As I see it, there are at least five qualities of note. The first one of these properties that I want to talk about is "authoritative." By this I mean standardized, but I mean more than standardized with a built in consensus-building process. A classification scheme constructed by a collaborative, consensus-building process carries the approval, and the authority, of the discipline groups that contribute to it and that it affects... The next property of classification systems is "expandable," living, responsive, with a clear locus of responsibility for its continuous upkeep. The worst thing you can do with a thesaurus, or a classification scheme, is to finish it. You can't ever finish it because it reflects ongoing intellectual activity... The third property is "intuitive." That is, the system has to be approachable, it has to be transparent, or at least capable of being transparent. It has to have an underlying logic that supports the classification scheme but doesn't dominate it... The fourth property is "organized and logical." I advocate very strongly, and agree with Lois Chan, that classification must be based on a rule-based structure, on somebody's world-view of the syndetic structure... The fifth property is "universal" by which I mean the classification scheme needs be useable by any specific system or application, and be available as a language for multiple purposes.
- Source
- Cataloging and classification quarterly. 21(1995) no.2, S.19-22
- Type
- a
-
Holman, E.E.: Statistical properties of large published classifications (1992)
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- Abstract
- Reports the results of a survey of 23 published classifications taken from a variety of subject fields
- Type
- a
-
Malla, N.: Classification of knowledge : a study in the foundations of library science (1991)
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- a
-
Gopinath, M.A.: Paradigms, paradigm shifts and classification (1999)
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- Source
- Library science with a slant to documentation and information studies. 36(1999) no.2, S.73-77
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- a
-
Garcia Marco, F.J.; Esteban Navarro, M.A.: On some contributions of the cognitive sciences and epistemology to a theory of classification (1993)
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- Abstract
- Intended is first of all a preliminary review of the implications that the new approaches to the theory of classification, mainly from cognitive psychology and epistemology may have for information work and research. As a secondary topic the scientific relations existing among information science, epistemology and the cognitive sciences are discussed. Classification is seen as a central activity in all daily and scientific activities, and, of course, of knowledge organization in information services. There is a mutual implication between classification and conceptualization, as the former moves in a natural way to the latter and the best result elaborated for classification is the concept. Research in concept theory is a need for a theory of classification. In this direction it is of outstanding importance to integrate the achievements of 'natural concept formation theory' (NCFT) as an alternative approach to conceptualization different from the traditional one of logicians and problem solving researchers. In conclusion both approaches are seen as being complementary: the NCFT approach being closer to the user and the logical one being more suitable for experts, including 'expert systems'
- Type
- a
-
Perreault, J.: Categories and relators : a new schema (1994)
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- Abstract
- Based on the works of Aristotle, Ramon Lull, I. Kant and the experiences with relationships published in the works of S.R. Ranganathan, E.de Grolier, J. Mills, J.C. Costello, E. Wall, R. Pagès, A. Leroy, P. Braffort, M. Kervégant, J.C. Gardin and J. Farradane, categories and relationships were collected, analyzed, grouped and classified in a triadic way so that a scheme resulted by which 120 relationships could be defined and identified by their positions and their codes. The exercise was meant to create and supply a tool for the replacement of the non-significant relation symbol, the colon, in the UDC by a letter code which could express the actual relationship contained in a classificatory statement. Examples for their application illustrate different cases occuring
- Footnote
- Reprint von: Rev. Int. Doc. 32(1965) no.4, S.136-144; dto. als FID/CR report no.4 u. im Buch des Verf.: Towards a theory for UDC. London: Bingley 1969, S.119-148
- Type
- a
-
Koshman, S.: Categorization and classification revisited : a review of concept in library science and cognitive psychology (1993)
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- Abstract
- Reviews the basic concepts associated with categorization and classification in order to examine the cognitive psychology and library science perspectives toward these processes, to discover if a theoretical affinity exists and to discuss potential applications of cognitive categorization theory to the field of library science
- Type
- a
-
Zackland, M.; Fontaine, D.: Systematic building of conceptual classification systems with C-KAT (1996)
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- Abstract
- C-KAT is a method and a tool which supports the design of feature oriented classification systems for knowlegde based systems. It uses a specialized Heuristic Classification conceptual model named 'classification by structural shift' which sees the classification process as the matching of different classifications of the same set of objects or situations organized around different structural principles. To manage the complexity induced by the cross-product, C-KAT supports the use of a leastcommittment strategy which applies in a context of constraint-directed reasoning. Presents this method using an example from the field of industrial fire insurance
- Type
- a
-
Svenonius, E.: Ranganathan and classification science (1992)
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- Abstract
- This article discusses some of Ranganathan's contributions to the productive, practical and theoretical aspects of classification science. These include: (1) a set of design criteria to guide the designing of schemes for knowledge / subject classification; (2) a conceptual framework for organizing the universe of subjects; and (3) an understanding of the general principles underlying subject disciplines and classificatory languages. It concludes that Ranganathan has contributed significantly to laying the foundations for a science of subject classification.
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- a
-
Gopinath, M.A.: Ranganathan's theory of facet analysis and knowledge representation (1992)
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Quinn, B.: Recent theoretical approaches in classification and indexing (1994)
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- Abstract
- This article is a selective review of recent studies in classification and indexing theory. A number of important problems are discussed, including subjectivity versus objectivity, theories of indexing, the theoretical role of automation, and theoretical approaches to a universal classification scheme. Interestingly, much of the work appears to have been done outside the United States. After reviewing the theoretical work itself, some possible reasons for the non-American origins of the work are explored
- Type
- a
-
Garcia Marco, F.J.; Esteban Navarro, M.A.: On some contributions of the cognitive sciences and epistemology to a theory of classification (1995)
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- Abstract
- Discusses classification as a central resource of human informational activity and as a central aspect of research for many sciences. Argues that thinking about the background of classification can help improve, or at least clarify, the practical tasks of documentary workers and librarians. Discusses the relationship and gaps between cognitive science and information science, and considers the contributions of epistemology and cognitive psychology; in particular, focuses on the role of the latter in the development of an integrative theory of classification
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- a
-
Hurt, C.D.: Classification and subject analysis : looking to the future at a distance (1997)
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- Abstract
- Classic classification schemes are uni-dimensional, with few exceptions. One of the challenges of distance education and new learning strategies is that the proliferation of course work defies the traditional categorization. The rigidity of most present classification schemes does not mesh well with the burgeoning fluidity of the academic environment. One solution is a return to a largely forgotten area of study - classification theory. Some suggestions for exploration are nonmonotonic logic systems, neural network models, and non-library models.
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- a
-
¬The need for a faceted classification as the basis of all methods of information retrieval : Memorandum of the Classification Research Group (1997)
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- Source
- From classification to 'knowledge organization': Dorking revisited or 'past is prelude'. A collection of reprints to commemorate the firty year span between the Dorking Conference (First International Study Conference on Classification Research 1957) and the Sixth International Study Conference on Classification Research (London 1997). Ed.: A. Gilchrist
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- a
-
Spiteri, L.: ¬A simplified model for facet analysis : Ranganathan 101 (1998)
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- Abstract
- Ranganathan's canons, principles, and postulates can easily confuse readers, especially because he revised and added to them in various editions of his many books. The Classification Research Group, who drew on Ranganathan's work as their basis for classification theory but developed it in their own way, has never clearly organized all their equivalent canons and principles. In this article Spiteri gathers the fundamental rules from both systems and compares and contrasts them. She makes her own clearer set of principles for constructing facets, stating the subject of a document, and designing notation. Spiteri's "simplified model" is clear and understandable, but certainly not simplistic. The model does not include methods for making a faceted system, but will serve as a very useful guide in how to turn initial work into a rigorous classification. Highly recommended
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Ellis, D.; Vasconcelos, A.: Ranganathan and the Net : using facet analysis to search and organise the World Wide Web (1999)
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- Abstract
- This paper documents the continuing relevance of facet analysis as a technique for searching and organising WWW based materials. The 2 approaches underlying WWW searching and indexing - word and concept based indexing - are outlined. It is argued that facet analysis as an a posteriori approach to classification using words from the subject field as the concept terms in the classification derived represents an excellent approach to searching and organising the results of WWW searches using either search engines or search directories. Finally it is argued that the underlying philosophy of facet analysis is better suited to the disparate nature of WWW resources and searchers than the assumptions of contemporaray IR research.
This article gives a cheerfully brief and undetailed account of how to make a faceted classification system, then describes information retrieval and searching on the web. It concludes by saying that facets would be excellent in helping users search and browse the web, but offers no real clues as to how this can be done.
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Vickery, B.C.: Structure and function in retrieval languages (1997)
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- Source
- From classification to 'knowledge organization': Dorking revisited or 'past is prelude'. A collection of reprints to commemorate the firty year span between the Dorking Conference (First International Study Conference on Classification Research 1957) and the Sixth International Study Conference on Classification Research (London 1997). Ed.: A. Gilchrist
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