Proceedings of the IEEE

Issue 7 • July 1986

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Displaying Results 1 - 24 of 24
  • [Front cover and table of contents]

    Publication Year: 1986, Page(s): c1
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  • Scanning the issue

    Publication Year: 1986, Page(s):899 - 904
    Cited by:  Papers (1)
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  • Knowledge representation and natural language processing

    Publication Year: 1986, Page(s):905 - 920
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1798 KB)

    In principle, natural language and knowledge representation are closely related. This paper investigates this by demonstrating how several natural language phenomena, such as definite reference, ambiguity, ellipsis, ill-formed input, figures of speech, and vagueness, require diverse knowledge sources and reasoning. The breadth of kinds of knowledge needed to represent morphology, syntax, semantics... View full abstract»

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  • Natural language interactions with artificial experts

    Publication Year: 1986, Page(s):921 - 938
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1943 KB)

    The aim of this paper is to justify why Natural Language (NL) interaction, of a very rich functionality, is critical to the effective use of Expert Systems and to describe what is needed and what has been done to support such interaction. Interactive functions discussed here include defining terms, paraphrasing, correcting misconceptions, avoiding misconceptions, and modifying questions. View full abstract»

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  • Plans, goals, and language

    Publication Year: 1986, Page(s):939 - 947
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1004 KB)

    One of the most promising computational approaches to representing context in natural language systems has been based on work in general problem solving. In this approach, plans are used both to represent the domain of discourse as well as the communication process itself. Using a simplified framework for planning and action reasoning, we describe techniques that allow systems to handle many dialo... View full abstract»

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  • Dialogue-based user models

    Publication Year: 1986, Page(s):948 - 960
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1343 KB)

    The paper investigates several approaches to user modeling in natural-language dialogue systems. First, reasons are pointed out why user modeling has become so important in the last few years, and definitions are proposed for the notions of "user model" and "user modeling component." Then, techniques for constructing user models in the course of a dialogue are presented and recent proposals for re... View full abstract»

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  • Language generation: Applications, issues, and approaches

    Publication Year: 1986, Page(s):961 - 968
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (844 KB)

    As computer systems become more sophisticated they must be able to communicate their results successfully to their users. Natural language generation is the area of research concerned with developing methods that will allow a computer system to respond to its user in human language. In this paper, the need for natural language generation is first motivated by showing how it is used in several appl... View full abstract»

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  • Machine translation: An American perspective

    Publication Year: 1986, Page(s):969 - 978
    Cited by:  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1177 KB)

    Translation of human languages was one of the first applications considered for digital computers. Indeed, the idea of mechanizing translation predated the invention of such machines, but it was only after World War II, when digital computers became generally available, that Machine Translation (MT) was taken up seriously [4]. This paper explores the field or MT from the viewpoint of an American r... View full abstract»

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  • Eurotra: A European perspective on MT

    Publication Year: 1986, Page(s):979 - 992
    Cited by:  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1354 KB)

    This paper describes the perspective on Machine Translation taken in the Eurotra project: an R & D project of the European Communities at a relatively early stage. It describes: i) the project's rather challenging aims; ii) the framework of design principles and linguistic and software methodology which are of particular importance given its size, scope, and organization; iii) the proposed rep... View full abstract»

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  • Machine translation from japanese into english

    Publication Year: 1986, Page(s):993 - 1012
    Cited by:  Papers (6)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1450 KB)

    This paper describes the outline of our Japanese to English machine translation system, which is supported by the Agency of Science and Technology of the Japanese Government. Many new methodologies are introduced to obtain high-quality translation results. The analysis is based on case grammar, which is suitable for a word-order-free language such as Japanese. The dictionary is rich enough to hand... View full abstract»

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  • Reasoning about scene descriptions

    Publication Year: 1986, Page(s):1013 - 1025
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1364 KB)

    When a scene is described by means of natural language sentences, many details are usually omitted, because they are not in the focus of the conversation. Moreover, natural language is not the best tool to define precisely positions and spatial relationships. The process of interpreting ambiguous statements and inferring missing details involves many types of knowledge, from linguistics to physics... View full abstract»

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  • Evaluation of natural language processing systems: Issues and approaches

    Publication Year: 1986, Page(s):1026 - 1035
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1093 KB)

    This paper encompasses two main topics: a broad and general analysis of the issue of performance evaluation of NLP systems and a report on a specific approach developed by the authors and experimented on a sample test case. More precisely, it first presents a brief survey of the major works in the area of NLP systems evaluation. Then, after introducing the notion of the life cycle of an NLP system... View full abstract»

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  • Nonuniform linear arrays: Graph-theoretic approach to minimum redundancy

    Publication Year: 1986, Page(s):1040 - 1043
    Cited by:  Papers (13)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (332 KB)

    A closed-form equation is given for minimum redundancy linear arrays (MRLAs) based on a graph-theoretic approach. The results obtained include an expression for incremental change and a log-log plot for a large range of values as well as a plot of redundancy with limiting value of 4/3. View full abstract»

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  • A uniform asymptotic evaluation of integrals

    Publication Year: 1986, Page(s):1043 - 1044
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (206 KB)

    Previous uniform asymptotic evaluations of integrals have been restricted to cases where the integrand singularities are close to the saddle point(s). A method is presented here which allows such uniform evaluations with integrand singularities anywhere near the steepest descent path. View full abstract»

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  • A subspace rotation approach to signal parameter estimation

    Publication Year: 1986, Page(s):1044 - 1046
    Cited by:  Papers (174)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (288 KB)

    A new approach to Estimation of Signal Parameters by Rotational Invariance Techniques (ESPRIT) is described in the context of direction-of-arrival estimation, but is also applicable to other problems. The method relies on finding the underlying rotation between the common subspaces associated with an array of pairwise-matched and codirectional sensor doublets. ESPRIT has several remarkable advanta... View full abstract»

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  • Commentary on the denominator recursion for Burg's block algorithm

    Publication Year: 1986, Page(s):1046 - 1047
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (149 KB)

    An order-recursive form for the denominator in the equation for the reflection coefficients in Burg's block algorithm was originally presented by N. Andersen in 1978, although its derivation was not given. This recursion was later repeated in a tutorial paper by Kay and Marple, also without derivation, but with data and error indexing defined differently. This letter shows a derivation of the deno... View full abstract»

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  • Eliminating sensitivity to voltmeter impedance in DC measurements in a class of linear passive networks

    Publication Year: 1986, Page(s):1048 - 1049
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (216 KB)

    The finite impedance of a voltmeter is a well-known source of error in voltage measurement. A multiple measurement method is presented to eliminate such error in a class of linear passive networks. Most practical cases come under this class. View full abstract»

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  • Major noise reduction in the eddy-current sensor for DC and low-frequency magnetic fields

    Publication Year: 1986, Page(s):1049 - 1050
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (527 KB)

    A major improvement in the sensitivity of an eddy-current sensor is described. This was achieved as a result of internal noise reduction by a supplementary heat treatment of the ferromagnetic core. Its present sensitivity of 0.1 nT and its simple construction make this eddy-current magnetometer a real competitor with other similar devices, e.g., the flux-gate magnetometer. View full abstract»

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  • Generalization of the matrix inversion lemma

    Publication Year: 1986, Page(s):1050 - 1052
    Cited by:  Papers (48)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (559 KB)

    A generalized form of the matrix inversion lemma is shown which allows particular forms of this lemma to be derived simply. The relationships between this direct method for solving linear matrix equations, lower-diagonal-upper decomposition, and iterative methods such as point-Jacobi and Hotelling's method are established. The generalized form is used to derive a new factorization scheme and a new... View full abstract»

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  • Underwater acoustic system analysis

    Publication Year: 1986, Page(s):1053 - 1054
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  • Biomagnetism: An interdisciplinary approach

    Publication Year: 1986, Page(s): 1053
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  • Principles of acoustic devices

    Publication Year: 1986, Page(s):1054 - 1055
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  • Book alert

    Publication Year: 1986, Page(s): 1055
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  • [Back cover]

    Publication Year: 1986, Page(s): c4
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H. Joel Trussell
North Carolina State University