Search (9 results, page 1 of 1)

  • × author_ss:"Ellis, D."
  1. Ellis, D.: Progress and problems in information retrieval (1996) 0.03 
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    Date
    26. 7.2002 20:22:46
    Isbn
    1-85604-123-9
  2. Ellis, D.; Oldman, H.: ¬The English literature researcher in the age of the Internet (2005) 0.01 
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    Source
    Journal of information science. 31(2005) no.1, S.29-
  3. Ellis, D.: Hypertext; origins and use (1991) 0.01 
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    Source
    International journal of information management. 11(1991) no.1, S.5-13
  4. Ellis, D.; Ford, N.; Furner, J.: In search of the unknown user : indexing, hypertext and the World Wide Web (1998) 0.01 
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    Abstract
    For the purposes of this article, the indexing of information is interpreted as the pre-processing of information in order to enable its retrieval. The definition thus spans a dimension extending from classification-based approaches (pre-co-ordinate) to keyword searching (post-co-ordinate). In the first section we clarify our use of terminology, by briefly describing a framework for modelling IR systems in terms of sets of objects, relationships and functions. In the following 3 sections, we discuss the application of indexing functions to document collections of 3 specific types: (1) 'conventional' text databases; (2) hypertext databases; and (3) the World Wide Web, globally distributed across the Internet
    Source
    Journal of documentation. 54(1998) no.1, S.28-47
  5. Ellis, D.: ¬The physical and cognitive paradigms in information retrieval research (1992) 0.01 
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    Source
    Journal of documentation. 48(1992) no.1, S.45-64
  6. Ellis, D.: ¬The dilemma of measurement in information retrieval research (1996) 0.00 
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    Abstract
    The problem of measurement in information retrieval research is traced to its source in the first retrieval tests. The problem is seen as presenting a chronic dilemma for the field. This dilemma has taken 3 forms as the discipline has evloved: (1) the dilemma of measurement in the archetypal approach: stated relevance versus user relevance; (2) the dilemma of measurement in the probabilistic approach: realism versus formalism; and (3) the dilemma of measurement in the Information Retrieval-Expert System (IR-ES) approach: linear measures of relevance versus logarithmic measures of knowledge. It is argued that the dilemma of measurement has remained intractable even given the different assumptions of the different approaches for 3 connecte reasons - the nature of the subject matter of the field; the nature of relevance jidgement; and the nature of cognition and knowledge. Finally, it is concluded that the original vision of information retrieval research as a discipline founded on quantification proved restricting for its theoretical and methodological development and that increasing recognition of this is reflected in growing interest in qualitative methods in information retrieval research in relation to cognitive, behavioral, and affective aspects of the information retrieval interaction
    Source
    Journal of the American Society for Information Science. 47(1996) no.1, S.23-36
  7. Ellis, D.; Vasconcelos, A.: ¬The relevance of facet analysis for World Wide Web subject organization and searching (2000) 0.00 
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    Abstract
    Different forms of indexing and search facilities available on the Web are described. Use of facet analysis to structure hypertext concept structures is outlined in relation to work on (1) development of hypertext knowledge bases for designers of learning materials and (2) construction of knowledge based hypertext interfaces. The problem of lack of closeness between page designers and potential users is examined. Facet analysis is suggested as a way of alleviating some difficulties associated with this problem of designing for the unknown user.
  8. Spink, A.; Wilson, T.D.; Ford, N.; Foster, A.; Ellis, D.: Information seeking and mediated searching : Part 1: theoretical framework and research design (2002) 0.00 
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  9. Ellis, D.; Vasconcelos, A.: Ranganathan and the Net : using facet analysis to search and organise the World Wide Web (1999) 0.00 
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    Source
    Aslib proceedings. 51(1999) no.1, S.3-10

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