Search (4 results, page 1 of 1)

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Abstract

Considers classification in the context of the information retrieval chain, a communication process. Defines classification as an heuristic methodology, which is being improved through scientific methodology. It is also an indexing process, setting each document in a systematic order, in a predictable place and therefore able to be efficiently retrieved. Classification appears to be determined by 4 factors: the structure of the world of documents, a function of the world of knowledge; the classification tools that allow us to codify them; the way in which people create and use classifications; and the features of the information unit

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Footnote

Übers. des Titels: Teaching approaches to precoordinated and postcoordinated indexing systems

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Abstract

Discusses the course content and instructional sequence for teaching knowledge organization in universities as an interdisciplinary subject. Covers the interdisciplinary background and vocabulary; the representation-retrieval chain; and practice of information retrieval from a semantic-cognitve point of view. This should be followed by classification, indexing and abstracting. When enough practical experience has been acquired, students should be taught the creation, adaptation and maintenance of documentary languages. Finally, students should be introduced to automatic representation and organization of knowledge

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Abstract

Pictorial image retrieval is analysed as a cognitive process. Such a model could build on the physical paradigm of information science, based on the general model proposed by Shannon and Weaver. Some of the different cognitive approaches which are possible are modeling: a) the communicative interaction, with different possibilities depending on which level of the process the researcher wishes to emphasise; b) the acquisition of image information, attending to the perceptual qualities of images, the recognition of objects, the assigning of meaning and the gestalt process; c) the image retrieval process as a problem solving interaction, where the user solves an informational problem by using metacognitive processes, such as search strategies and translation processes; and d) the translation processes between imagination and conceptual thinking that image retrieval requires. The first has a great theoretical potential to integrate the rest of them. From a general point of view, information retrieval interactions constitute communication processes, where semantic and pragmatic aspects are as important as the transmission of a message. In this context, images and text conform to two distinct forms of communication, deeply rooted in our cognitive system, that produce distinct forms of knowledge. In spite of that, pictorial retrieval requires the involvement of conceptual thinking, requiring some kind of translation between concepts and images on the part of the system, the user or the mediator, that is, the information professional.