Search (262 results, page 3 of 14)

0.004759258 = product of:
  0.019037032 = sum of:
    0.019037032 = weight(_text_:information in 192) [ClassicSimilarity], result of:
      0.019037032 = score(doc=192,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3103276 = fieldWeight in 192, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.125 = fieldNorm(doc=192)
  0.25 = coord(1/4)

Source

Information processing and management. 28(1992), S.389-405

0.004759258 = product of:
  0.019037032 = sum of:
    0.019037032 = weight(_text_:information in 1287) [ClassicSimilarity], result of:
      0.019037032 = score(doc=1287,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3103276 = fieldWeight in 1287, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.125 = fieldNorm(doc=1287)
  0.25 = coord(1/4)

Source

Encyclopedia of library and information science. Vol.50, [=Suppl.13]

0.004759258 = product of:
  0.019037032 = sum of:
    0.019037032 = weight(_text_:information in 4141) [ClassicSimilarity], result of:
      0.019037032 = score(doc=4141,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3103276 = fieldWeight in 4141, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.125 = fieldNorm(doc=4141)
  0.25 = coord(1/4)

Source

Information processing and management. 25(1989) no.4, S.407-418

0.004759258 = product of:
  0.019037032 = sum of:
    0.019037032 = weight(_text_:information in 4792) [ClassicSimilarity], result of:
      0.019037032 = score(doc=4792,freq=8.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3103276 = fieldWeight in 4792, product of:
          2.828427 = tf(freq=8.0), with freq of:
            8.0 = termFreq=8.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0625 = fieldNorm(doc=4792)
  0.25 = coord(1/4)

Abstract

Proposes a theoretical framework for organizing information and activities in educational hypermedia systems. Focuses on the content that can be represented within a physical media, rather than the physical media itself. Proposes a theory of cognitive media types based on the inferential and learning processes of human users. Presents an implemented computer system, called AlgoNet, that supports hypermedia information access and constructive learning activities for self paced learning in computer and engineering disciplines

Theme

Information

0.004759258 = product of:
  0.019037032 = sum of:
    0.019037032 = weight(_text_:information in 7474) [ClassicSimilarity], result of:
      0.019037032 = score(doc=7474,freq=8.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3103276 = fieldWeight in 7474, product of:
          2.828427 = tf(freq=8.0), with freq of:
            8.0 = termFreq=8.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0625 = fieldNorm(doc=7474)
  0.25 = coord(1/4)

Abstract

Outlines the results of a pilot study designed to consider what constitutes a landmark in hypertext. Tests users' memories for locations visited on the WWW. Reports the results, and outlines a refined methodology for a new study. By understanding more about users' navigation through hypertext information space, the issue of recognition of informative materials on the WWW may be addressed

Imprint

Medford, NJ : Learned Information

Source

Global complexity: information, chaos and control. Proceedings of the 59th Annual Meeting of the American Society for Information Science, ASIS'96, Baltimore, Maryland, 21-24 Oct 1996. Ed.: S. Hardin

0.0047219303 = product of:
  0.018887721 = sum of:
    0.018887721 = weight(_text_:information in 6530) [ClassicSimilarity], result of:
      0.018887721 = score(doc=6530,freq=14.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3078936 = fieldWeight in 6530, product of:
          3.7416575 = tf(freq=14.0), with freq of:
            14.0 = termFreq=14.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.046875 = fieldNorm(doc=6530)
  0.25 = coord(1/4)

Abstract

We present in this paper a navigation approach using a combination of functionalities encountered in classification processes, Hypertext Systems and Information Retrieval Systems. its originality lies in the cooperation of these mechanisms to restrict the consultation universe, to locate faster the searched information, and to tackle the problem of disorientation when consulting the restricted Hypergraph of retrieved information. A first version of the SYRIUS system has been developed integrating both Hypertext and Information Retrieval functionalities that we have called Hypertext Information Retrieval System (H.I.R.S.). This version has been extended using classification mechanisms. The graphic interface of this new system version is presented here. Querying the system is done through common visual representation of the database Hypergraph. The visualization of the Hypergraph can be parameterized focusing on several levels (classes, links,...)

Source

Information processing and management. 29(1993) no.3, S.387-396

0.004655886 = product of:
  0.018623544 = sum of:
    0.018623544 = weight(_text_:information in 650) [ClassicSimilarity], result of:
      0.018623544 = score(doc=650,freq=10.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.3035872 = fieldWeight in 650, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=650)
  0.25 = coord(1/4)

Abstract

Purpose - The purpose of this paper is to explore the application of post-structuralist theory to understanding hypertext and the World Wide Web, and the challenge posed by digital information technology to the practices of the information profession. Design/methodology/approach - The method adopted is that of a critical study. Findings - The paper argues for the importance of post-structuralism for an understanding of the implications of digital information for the information management profession. Originality/value - Focuses on an epistemological gap between the traditional practices of the information profession, and the structure of the World Wide Web.

0.0044618044 = product of:
  0.017847218 = sum of:
    0.017847218 = weight(_text_:information in 4036) [ClassicSimilarity], result of:
      0.017847218 = score(doc=4036,freq=18.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.2909321 = fieldWeight in 4036, product of:
          4.2426405 = tf(freq=18.0), with freq of:
            18.0 = termFreq=18.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4036)
  0.25 = coord(1/4)

Abstract

When searching information in a hypertext is limited to navigation, it is not an easy task, especially when the number of nodes and/or links becomes very large. A query based access mechanism must therefore be provided to complement the navigational tools inherent in hypertext systems. Most mechanisms currently proposed are based on conventional information retrieval models which consider documents as indepent entities, and ignore hypertext links. To promote the use of other information retrieval mechnaisms adapted to hypertext systems, responds to the following questions; how can we integrate information given by hypertext links into an information retrieval scheme; are these hypertext links (and link semantics) clues to the enhancement of retrieval effectiveness; if so, how can we use them. 2 solutions are: using a default weight function based on link tape or assigning the same strength to all link types; or using a specific weight for each particular link, i.e. the level of association or a similarity measure. Proposes an extended vector processing scheme which extracts additional information from hypertext links to enhance retrieval effectiveness. A hypertext based on 2 medium size collections, the CACM and the CISI collection has been built. The hypergraph is composed of explicit links (bibliographic references), computed links based on bibliographic information, or on hypertext links established according to document representatives (nearest neighbour)

Source

Information processing and management. 32(1996) no.2, S.155-170

0.004371658 = product of:
  0.017486632 = sum of:
    0.017486632 = weight(_text_:information in 4873) [ClassicSimilarity], result of:
      0.017486632 = score(doc=4873,freq=12.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.2850541 = fieldWeight in 4873, product of:
          3.4641016 = tf(freq=12.0), with freq of:
            12.0 = termFreq=12.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.046875 = fieldNorm(doc=4873)
  0.25 = coord(1/4)

Abstract

As part of ongoing investigation of information seeking behaviour of end users in electronic environments, a comparison was made of those users having expertise in a topic area and those with expertise in online searching. Computer scientists and online search specialists conducted assigned searches in a HyperCard database on the topic of hypertext. Both groups of experts were able to conduct successful searches and outperformed a novice control group. Search specialists took slightly less time tahn the domain experts, modified queries by adding terms found in the text, and tended to focus on query formulation. Domain experts focused on the text and used their domain knowledge for further question answering

Imprint

Medford, NJ : Learned Information Inc.

Source

ASIS'90: Information in the year 2000, from research to applications. Proc. of the 53rd Annual Meeting of the American Society for Information Science, Toronto, Canada, 4.-8.11.1990. Ed. by Diana Henderson

Theme

Information

0.004371658 = product of:
  0.017486632 = sum of:
    0.017486632 = weight(_text_:information in 5049) [ClassicSimilarity], result of:
      0.017486632 = score(doc=5049,freq=12.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.2850541 = fieldWeight in 5049, product of:
          3.4641016 = tf(freq=12.0), with freq of:
            12.0 = termFreq=12.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.046875 = fieldNorm(doc=5049)
  0.25 = coord(1/4)

Abstract

In this article, the fifth in a series on microcomputer software for information storage and retrieval, test results of seven programs are presented and various properties and qualitites of theses programs are discussed. In this instalment of the series we discuss programs for information storage and retrieval which are primarily characterised by the properties of personal information managers (PIMs), hypertext programs, or best match and ranking retrieval systems. The programs reviewed in this issue are the personal information managers 3by5/RediReference, askSam, Dayflo Tracker, and Ize; Personal Librarian uses best match and ranking; the hypertext programs are Folio Views and the HyperKRS/HyperCard combination (aksSam, Ize and Personal Librarian boast hypertext features as well). HyperKRS/HyperCard is only available for the Apple Macintosh. All other programs run under MS-DOS; versions of Personal Librarian also run under Windows and some other systems. For each of the seven programs about 100 facts and test results are tabulated. The programs are also discussed individually

0.004371658 = product of:
  0.017486632 = sum of:
    0.017486632 = weight(_text_:information in 1464) [ClassicSimilarity], result of:
      0.017486632 = score(doc=1464,freq=12.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.2850541 = fieldWeight in 1464, product of:
          3.4641016 = tf(freq=12.0), with freq of:
            12.0 = termFreq=12.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.046875 = fieldNorm(doc=1464)
  0.25 = coord(1/4)

Abstract

Examines the implementation of the newspaper metaphor in an information exploration interface. The newspaper metaphor is an appropriate interface papradigm for large-scale full-text databases. This metaphor is appropriate for large automatically generated hypertexts, independent of the nature of their content. Describes VOIR, a softwre prototype that is used as an electronic newspaper workbench. The program constructs newspaper pages interactively, and allows user to specify their information seeking intent in a variety of ways, including graphical Boolean queries, hypertext links, and typed-in queries. Reports some empirical evidence that indicates that users perform better when they are shown more articles simultaneously. These results suggest that the newspaper metaphor may be an effective organizing principle for a class of information exploration tasks. Discusses some implications for hypertext and information retrieval in general

Source

Information processing and management. 33(1997) no.5, S.663-683

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 4280) [ClassicSimilarity], result of:
      0.016826518 = score(doc=4280,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 4280, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=4280)
  0.25 = coord(1/4)

Abstract

Describes the history of the Univ. of Liverpool Research Group and its vision. The vision is to merge medical knowledge and hypermedia to produce more powerful information generation and improve access tools for those in health care. Like GALEN, the plan is to improve the construction of knowledge bases and provide user interfaces to medical information

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 4916) [ClassicSimilarity], result of:
      0.016826518 = score(doc=4916,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 4916, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=4916)
  0.25 = coord(1/4)

Abstract

Presents a brief introduction to the concept of hypertext illustrated with examples from experimental and operational systems. The origins of the hypertext concept are described and different generic types of hypertext systems outlined. The potential and problems of hypertext are discussed with particular reference to information retrieval

Source

International journal of information management. 11(1991) no.1, S.5-13

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 6192) [ClassicSimilarity], result of:
      0.016826518 = score(doc=6192,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 6192, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=6192)
  0.25 = coord(1/4)

Source

Designing information: new roles for librarians

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 6495) [ClassicSimilarity], result of:
      0.016826518 = score(doc=6495,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 6495, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=6495)
  0.25 = coord(1/4)

Abstract

Part of a special section on hypertext. Hypertext is the computer storage of information as fragmented but linked multi-dimensional documents. Such systems offer advantages over the printed word, (group authorship, more creative access to the data) but there are drawbacks. Discusses chunky and creamy hypertext design methods of presenting information to the user

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 1169) [ClassicSimilarity], result of:
      0.016826518 = score(doc=1169,freq=4.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 1169, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=1169)
  0.25 = coord(1/4)

Source

Information processing and management. 31(1995) no.1, S.1-13

0.0042066295 = product of:
  0.016826518 = sum of:
    0.016826518 = weight(_text_:information in 4718) [ClassicSimilarity], result of:
      0.016826518 = score(doc=4718,freq=16.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27429342 = fieldWeight in 4718, product of:
          4.0 = tf(freq=16.0), with freq of:
            16.0 = termFreq=16.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4718)
  0.25 = coord(1/4)

Abstract

The development of electronic publishing heralds a new period in scientific communications. Besides the obvious advantages of an almost endless storage and transport capacity, many new features come to the fore. As each technology finds its own expressions in the ways scientific communication take form, we analyse print on paper scientific articles in order to obtain the necessary ingredients for shping a new model for electronic communications. A short historical overview shows that the typical form of the present-day linear (essay-type) scientific article is the result of a technological development over the centuries. The various characteristics of print on paper are discussed and the foreseeable changes to a more modular form of communication in an electronic environment are postulated. Subsequently we take the functions of the present-day scientific article vis-à-vis the author and the reader as starting points. We then focus on the process of scientific information transfer and deal essentially with the information consumption by the reader. Different types of information, at present intermingled in the linear article, can be separated and stored in well-defined, cognitive, textual modules. To serve the scientists better in finding their way through the information overload of today, we conclude that the electronic transfer of the future will be, in essence, a transfer of well-defined, cognitive information modules. In the last part pf this article we outline the first steps towards a heuristic model for such scientific information transfer

Theme

Information

0.004164351 = product of:
  0.016657405 = sum of:
    0.016657405 = weight(_text_:information in 2761) [ClassicSimilarity], result of:
      0.016657405 = score(doc=2761,freq=8.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27153665 = fieldWeight in 2761, product of:
          2.828427 = tf(freq=8.0), with freq of:
            8.0 = termFreq=8.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=2761)
  0.25 = coord(1/4)

Abstract

In a hypertext database, the information is presented as a network of nodes connected by links. Such nodes may be text, graphics, audio, video, and even other software. Although hypertext provides a new approach to information management, it also leaves a whole new set of problems for the designers of the hypertext database to solve. As the volume of information grows, the task of authoring a hypertext database becomes much more complex. In this article, the author presents the experiences during the development of a hypertext version of the user's guide for information services on JANET, in the UK, by using HyperPAD, a hypertext shell for the IBM PC. It may be the first step to explore the proper way to solve those problems which come together with the increasing application of hypertext

0.004164351 = product of:
  0.016657405 = sum of:
    0.016657405 = weight(_text_:information in 2930) [ClassicSimilarity], result of:
      0.016657405 = score(doc=2930,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27153665 = fieldWeight in 2930, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=2930)
  0.25 = coord(1/4)

Theme

Information

0.004164351 = product of:
  0.016657405 = sum of:
    0.016657405 = weight(_text_:information in 4713) [ClassicSimilarity], result of:
      0.016657405 = score(doc=4713,freq=2.0), product of:
        0.06134496 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.034944877 = queryNorm
        0.27153665 = fieldWeight in 4713, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=4713)
  0.25 = coord(1/4)

Source

Information processing and management. 29(1993) no.3, S.345-358