Search (93 results, page 1 of 5)

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Abstract

A method (HICLAS, DeBoeck & Rosenberg, 1988) for studying the internal structure of semantic concepts is presented. The proposed method reveals the internal structure of the extension as well as the intesion of a concept, together with a correspondence relation that shows the mutual dependence of both structures. Its use is illustrated with the analysis of simple concepts (e.g. sports) and conjunctive concepts (e.g. birds that are also pets). The underlying structure that is revealed can be interpreted as a differentiation of the simple concepts studied and for conjunctive concepts the proposed method is able to extract non-inherited and emergent features (Hampton, 1988)

Date

22. 7.2000 19:17:40

Source

European journal of cognitive psychology. 6(1994) no.1, S.43-75

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Abstract

The aim of this paper is to analyze the Gottlob Frege's (1848-1925) theory of definition as a tool for knowledge organization. The objective was achieved by discussing the theory of definition including: the aims of definition, kinds of definition, condition of correct definition, what is undefinable. Frege indicated the following aims of a defining: (1) to introduce a new word, which has had no precise meaning until then (2) to explain the meaning of a word; (3) to catch a thought. We would like to present three kinds of definitions used by Frege: a contextual definition, a stipulative definition and a piecemeal definition. In the history of theory of definition Frege was the first to have formulated the condition of a correct definition. According to Frege not everything can be defined, what is logically simple cannot have a proper definition Usability of Frege's theory of definition is referred in the case study. Definitions that serve as an example are definitions of 'context'. The term 'context' is used in different situations and meanings in the field of knowledge organization. The paper is rounded by a discussion of how Frege's theory of definition can be useful for knowledge organization. To present G. Frege's theory of definition in view of the need for knowledge organization we shall start with different ranges of knowledge organization.

Source

Knowledge organization in the 21st century: between historical patterns and future prospects. Proceedings of the Thirteenth International ISKO Conference 19-22 May 2014, Kraków, Poland. Ed.: Wieslaw Babik

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Abstract

A main goal of recent studies in semantics is to integrate into conceptual structures the models of representation used in linguistics, logic, and/or artificial intelligence. A fundamental problem resides in the need to structure knowledge and then to check the validity of constructed representations. We propose associating logical properties with relationships by introducing the relationships into a typed and functional system of specifcations. This makes it possible to compare conceptual representations against the relationships established between the concepts. The mandatory condition to validate such a conceptual representation is consistency. The semantic system proposed is based an a structured set of semantic primitives-types, relations, and properties-based an a global model of language processing, Applicative and Cognitive Grammar (ACG) (Desc16s, 1990), and an extension of this model to terminology (Jouis & Mustafa 1995, 1996, 1997). The ACG postulates three levels of representation of languages, including a cognitive level. At this level, the meanings of lexical predicates are represented by semantic cognitive schemes. From this perspective, we propose a set of semantic concepts, which defines an organized system of meanings. Relations are part of a specification network based an a general terminological scheure (i.e., a coherent system of meanings of relations). In such a system, a specific relation may be characterized as to its: (1) functional type (the semantic type of arguments of the relation); (2) algebraic properties (reflexivity, symmetry, transitivity, etc.); and (3) combinatorial relations with other entities in the same context (for instance, the part of the text where a concept is defined).

Date

1.12.2002 11:12:22

Source

The semantics of relationships: an interdisciplinary perspective. Eds: Green, R., C.A. Bean u. S.H. Myaeng

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Abstract

The concept of concept has seldom been examined in its entirety, and the term very seldom defined. The rigidity, or lack thereof, and the homogeneity, or lack thereof, of concepts, are only two of their characteristics that have been debated. These issues are reviewed in this paper, namely: 1) does a concept represent its referent(s), or is it a free creation of the mind?; 2) can a concept be analyzed in parts or elements?; 3) must a concept be general, i.e., refer to a category or a type, or can it refer to a single object, physical or mental?; 4) are concepts as clearly delimited as terms are? Are concepts voiceless terms?; and, 5) what do terms contribute to an individual's and a community's conceptual richness? As regards the relationship of concepts with their referents in the stage of formation, it seems reasonable to conclude that said relationship may be close in some concepts, less close in others, and lacking altogether in some cases. The set of elements of a concept, which varies from individual to individual and across time inside the same individual, is called the intension of a concept. The set of referents of a concept is called the extension of that concept. Most concepts don't have a clearly delimited extension: their referents form a fuzzy set. The aspects of a concept's intension form a scale of generality. A concept is not equal to the term that describes it; rather, many terms are joined to concepts. Language, therefore, renders a gamut of services to the development, consolidation, and communication of conceptual richness.

Date

22. 1.2012 13:11:25

Series

Forum: The philosophy of classification

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Abstract

Alon Friedman und Richard P. Smiraglia kündigen in ihrem aktuellen Artikel "Nodes and arcs: concept map, semiotics, and knowledge organization" an, eine "empirical demonstration of how the domain [of knowledge organisation] itself understands the meaning of a concept" durchzuführen. Die Klärung des Konzeptbegriffs ist ein begrüßenswertes Vorhaben, das die Autoren in einer empirischen Untersuchung von concept maps (also Konzeptdiagrammen) aus dem Bereich der Wissensorganisation nachvollziehen wollen. Beschränkte sich Friedman 2011 in seinem Artikel "Concept theory and semiotics in knowledge organization" [Fn 01] noch ausschließlich auf Sprache als Medium im Zeichenprozess, bezieht er sich nun auf Visualisierungen als Repräsentationsform und scheint somit seinen Ansatz um den Aspekt der Bildlichkeit zu erweitern. Zumindest erwartet man dies nach der Lektüre der Beschreibung des aktuellen Vorhabens von Friedman und Smiraglia, das - wie die Autoren verkünden - auf einer semiotischen Grundlage durchgeführt worden sei.

Content

Vgl.: http://www.libreas.eu/09treude.htm. Bezug zu: Alon Friedman, Richard P. Smiraglia, (2013): Nodes and arcs: concept map, semiotics, and knowledge organization. In: Journal of Documentation, Vol. 69/1, S.27-48.

Source

LIBREAS: Library ideas. no.22, 2013, S.xx-xx

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Abstract

To organize information, librarians create structures. These structures grow from a logic that goes back at least as far as Aristotle. It is the basis of classification as we practice it, and thesauri and subject headings have developed from it. Feminist critiques of logic suggest that logic is gendered in nature. This article will explore how these critiques play out in contemporary standards for the organization of information. Our widely used classification schemes embody principles such as hierarchical force that conform to traditional/Aristotelian logic. Our subject heading strings follow a linear path of subdivision. Our thesauri break down subjects into discrete concepts. In thesauri and subject heading lists we privilege hierarchical relationships, reflected in the syndetic structure of broader and narrower terms, over all other relationships. Are our classificatory and syndetic structures gendered? Are there other options? Carol Gilligan's In a Different Voice (1982), Women's Ways of Knowing (Belenky, Clinchy, Goldberger, & Tarule, 1986), and more recent related research suggest a different type of structure for women's knowledge grounded in "connected knowing." This article explores current and potential elements of connected knowing in subject access with a focus on the relationships, both paradigmatic and syntagmatic, between concepts.

Date

11.12.2019 19:00:22

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Pages

S.9-22

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Source

Nachrichten für Dokumentation. 22(1971) H.3, S.98-104 (T.1); H.4, S.143-150 (T.2)

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Source

Wissensspeicher in digitalen Räumen: Nachhaltigkeit - Verfügbarkeit - semantische Interoperabilität. Proceedings der 11. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation, Konstanz, 20. bis 22. Februar 2008. Hrsg.: J. Sieglerschmidt u. H.P.Ohly

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Pages

S.22-33

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Abstract

The importance of 'concept' in the study of terms is recognized by most researchers in the field of terminological research. However, the theoretical status of 'concept' in the study of terms has not been clarified so far. Against this background, the status of 'concept' in the study of terms is theoretically examined in comparison with the status of 'meaning' in the semantic study of general languages. Sketches a possible scheme by which 'concept' and 'meaning' are properly plyced in the theoretical study of terms

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Abstract

The notion of category, from Aristotle and Kant to the present time, has been used as a basic intellectual tool for the analysis of the existence and changeableness of things. Ranganathan was the first to extrapolate the concept into the Theory of Classification, placing it as an essential axis for the logical organization of knowledge and the construction of indexing languages. This paper proposes a conceptual and methodological reexamination of the notion of category from a functional and instrumental perspective, and tries to clarify the essential characters of categories in that context, and their present implications regarding the construction and evaluation of indexing languages

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Source

Conceptual and numerical analysis of data. Proc. of the 13th Conf. of the Gesellschaft für Klassifikation, Augsburg, 10.-12.4.1989. Ed.: O. Opitz

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Source

Annual review of psychology. 32(1981), S.89-115

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Abstract

Analyses the concepts species, class and set to explain the development of generic arrangement beginning with Aristotle's theory of essences. Explains the development from Aristotelian essences to the acceptance of accidental characteristics, culminating in the logical algebra of Boole and in a distinction between classes (as the extension of a concept) and sets (as a grouping of elements). Discusses 2 problems relating to indexing theory, selected from PRECIS and the work of Das Gupta

Source

South African journal of library and information science. 63(1995) no.4, S.173-178

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Abstract

This chapter deals with the paradigmatic sense relation of hyponymy as manifested in nouns. A number of approaches to the definition of the relation are discussed, with particular attention being given to the problems of framing a prototype-theoretical characterization. An account is offered of a number of sub-varieties of hyponymy.

Source

The semantics of relationships: an interdisciplinary perspective. Eds: Green, R., C.A. Bean u. S.H. Myaeng

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Abstract

The ontological approach in the development of KOS is an attempt to overcome the limitations of the traditional epistemological approach. Questions raise about the representation and organization of ontologically-oriented KO units, such as BFO universals or ILC phenomena. The study aims to compare the ontological approaches of BFO and ILC using a hermeneutic approach. We found that the differences between the units of the two systems are primarily due to the formal level of abstraction of BFO and the different organizations, namely the grouping of phenomena into ILC classes that represent complex compounds of entities in the BFO approach. In both systems the use of concepts is considered instrumental, although in the ILC they constitute the intersubjective component of the phenomena whereas in BFO they serve to access the entities of reality but are not part of them.

Source

Knowledge Organization at the Interface. Proceedings of the Sixteenth International ISKO Conference, 2020 Aalborg, Denmark. Ed.: M. Lykke et al

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Abstract

Up to the present day, difficulties have confronted all attempts at establishing a theory of concepts that would comprise the various kinds of concept-formation in the disciplines of the spectrum of sciences. Not a few philosophical dictionaries, under the entry 'concept', still offer doctrinies which were current far back in the history of philosophy and have little in coomon with concept-formations in the sciences today. The paper aims at an improvement in this situation. After a sketch of the 'classical' notion of concept, already developed in antiquity (essentially a logic of 'classification', although 'class-formation' in tis present understanding had not yet been conceived), the canonical modern doctrine of concepts is outlined. With an eye to application in the exact sciences, it is shown how in the nineteenth century the view of concept as an additive complex of characteristics yields to a functional approach systematized, in the last quarter of the century, by classical quantificational logic. Almost simultaneously, Mach, Frege, Peano, Weyl and others set out to shape the modern theory of abstraction. It is these two theories that today permit philosophers of science not only to deal with functional processes of concept-formation but also to represent in a formally coorect manner metalinguistic propositions about concepts and their properties. Thus it seems that the fundamental tasks of a modern theory of concept have finally been taken care of

Source

Information systems and data analysis: prospects - foundations - applications. Proc. of the 17th Annual Conference of the Gesellschaft für Klassifikation, Kaiserslautern, March 3-5, 1993. Ed.: H.-H. Bock et al

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Abstract

It is argued that concepts are the building blocks of knowledge organizing systems (KOS). Objections to this view are considered and answers are provided. By implication the theory of concepts constitutes the foundation for knowledge organization (KO). The theory of concepts is understood as related to and derived from theories of knowledge. Different theories of knowledge such as empiricism, rationalism, historicism and pragmatism imply different theories of concepts. Such different epistemologies and their associated theories of concepts represent different methodological ideals which probably compete in all knowledge domains. Different approaches to KO are also in fundamental ways associated with different theories of concepts. The paper holds that the historicist and pragmatic theory of concept should be considered most valuable. By implication is it is necessary to know about competing theories in the fields being organized. A further implication of the pragmatic view is that the construction of a KOS must be understood as a way of participating in the discourses in the domain that is being represented.

Source

Paradigms and conceptual systems in knowledge organization: Proceedings of the Eleventh International ISKO Conference, 23-26 February 2010 Rome, Italy. Edited by Claudio Gnoli and Fulvio Mazzocchi

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Abstract

Surveys ontological questions that arise in artificial intelligence, some of the answers that have been proposed by various philosophers, and an application of the philosophical analysis to the clarification of some current issues in artificial intelligence. Charles Sanders Peirce and Alfred North Whitehead have developed the most complete systems of categories. Their analyses suggest a basic structure of categories that can provide some guidelines for the design of artificial intelligence systems

Source

International journal of human-computer studies. 43(1995) nos.5/6, S.669-685