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C. G. Leedham
About the author:
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Publications by C. G. Leedham (bibliography)
» 2000 «
Leedham, C. G. and Chen, Y.-T. (2000): Distributed Visual Reasoning for Intelligent Information Retrieval on the Web. In Interacting with Computers, 12 (5) pp. 445-467
“In this article, we describe a distributed visual reasoning system for intelligent information retrieval on the Web. The system is an integration of visual programming, the Web browser, Java applets, inference engine, and database servers. It provides users with a visual programming interface and acts as a mediator to coordinate messages passing among the Web clients, inference engine, and database servers for the information retrieval. A Web server is used to store the required Web page and to provide the required configuration functions for the system. Through the Web client a user can download all required Java classes, information, and the visual programming interface agent through the HTTP protocol, then activate the functions of Java applets. By composing visual sentences and providing parameters in the visual programming interface a user can extract the required information. A distributed communication model is proposed to give better communication speed and a more reliable connection. We use a financial diagnosis as one of many potential applications to illustrate our system.”
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» 1986 «
Leedham, C. G. and Downton, A. C. (1986): On-Line Recognition of Pitman's Handwritten Shorthand -- An Evaluation of Potential. In International Journal of Man-Machine Studies, 24 (4) pp. 375-393
“This paper describes a number of evaluation experiments designed to establish the potential of Pitman's handwritten shorthand as an input for computer transcription to text. Such a system would have applications in verbatim reporting, the electronic office, and as an aid for the deaf. The experiments described compare the performance of a proposed computer transcription system for shorthand (described previously in this journal) with the benchmark performance obtained using human transcription. In addition, measurements on typical Pitman shorthand data are used to estimate potential performance limits. It is concluded that the poor overall performance of the proposed computer transcription system is due to a combination of three factors: first, the simplified nature of the recognition algorithms used compared with the knowledge-based techniques used by human shorthand readers; secondly, ergonomic deficiencies of the data input devices used; and finally, writer's lack of familiarity with the system and its capabilities. A proposed strategy for improving the performance of the system by attention to the first two of these deficiencies is given.”
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» 1984 «
Leedham, C. G., Downton, A. C., Brooks, C. P. and Newell, Allen (1984): On-Line Acquisition of Pitman's Handwritten Shorthand as a Means of Rapid Data Entry. In: Shackel, Brian (ed.) INTERACT 84 - 1st IFIP International Conference on Human-Computer Interaction September 4-7, 1984, London, UK. pp. 145-150.
“In this paper we discuss the use of Pitmans shorthand as a means of converting dictation speed speech (up to 120 wpm) directly into readable text for computer entry or direct output. The Pitman shorthand notation is compared to a machinography or machine compatible script and the recognition problems associated with handwritten shorthand are discussed. The requirements of a writing tablet and instrumented pen for on-line acquisition of Pitman shorthand are described and the preprocessing techniques which have been usefully applied to the raw data are outlined.”
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Mar 20th, 2010
Changes to this page (author)
12 Feb 2010: Enabled abstracts to be shown on C. G. Leedham's author page.28 Apr 2003: Added the author to the bibliography
Publication statistics
Publication period:1984-2000
Publication count:3
Number of co-authors:4
Productive colleagues
C. G. Leedham's 3 most productive colleagues in number of publications:
Allen Newell:22A. C. Downton:6Y.-T. Chen:4Collaboration count
Number of publications with 3 favourite co-authors:
A. C. Downton:2Y.-T. Chen:1C. P. Brooks:1
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Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context.
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-- Floyd, 1992, p. 24
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