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IBM Journal of Research and Development

Issue 2 • March 1988

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Displaying Results 1 - 11 of 11
  • A flexible graph-unification formalism and its application to natural-language processing

    Publication Year: 1988, Page(s):170 - 184
    Cited by:  Papers (2)  |  Patents (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1323 KB)

    A graph-unification-based representation language is described that was developed as the grammar formalism for the LILOG research project at IBM Germany. The Stuttgart Unification Formalism (STUF) differs from its predecessors in its higher flexibility and its algebraic structure. It is well suited for the implementation of rather different linguistic approaches, but is currently employed mainly i... View full abstract»

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  • An experiment in computational discrimination of English word senses

    Publication Year: 1988, Page(s):185 - 194
    Cited by:  Patents (7)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (872 KB)

    A number of researchers in text processing have independently observed that people can consistently determine in which of several given senses a word is being used in text, simply by examining the half dozen or so words just before and just after the word in focus. The question arises whether the same task can be accomplished by mechanical means. Experimental results are presented which suggest an... View full abstract»

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  • Spelling assistance for compound words

    Publication Year: 1988, Page(s):195 - 200
    Cited by:  Patents (8)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (614 KB)

    This paper describes a method for providing spelling assistance for Germanic compound words. The technique systematically analyzes an unknown word to determine its components, using a dictionary which associates word components with codes that describe their compounding characteristics. Language-specific morphological transformations are used to take into consideration common intraword elision pat... View full abstract»

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  • CRITAC—An experimental system for Japanese text proofreading

    Publication Year: 1988, Page(s):201 - 216
    Cited by:  Patents (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1149 KB)

    This paper describes an experimental expert system for proofreading Japanese text. The system is called CRITAC (CRITiquing using ACcumulated knowledge). It can detect typographical errors, Kana-to-Kanji conversion errors, and stylistic errors in Japanese text. We describe the basic concepts and features of CRITAC, including preprocessing of text, a high-level text model, Prolog-coded heuristic pro... View full abstract»

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  • Large-vocabulary speech recognition: A system for the Italian language

    Publication Year: 1988, Page(s):217 - 226
    Cited by:  Papers (8)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (884 KB)

    We describe a research project in automatic speech recognition which has led to the development of an experimental large-vocabulary real-time recognizer for Italian, and show how the maximum-likelihood techniques which had been employed in the development of prototype recognizers for English can be tailored to a language with substantially different characteristics. View full abstract»

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  • Multilevel decoding for Very-Large-Size-Dictionary speech recognition

    Publication Year: 1988, Page(s):227 - 237
    Cited by:  Papers (8)  |  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (932 KB)

    An important concern in the field of speech recognition is the size of the vocabulary that a recognition system is able to support. Large vocabularies introduce difficulties involving the amount of computation the system must perform and the number of ambiguities it must resolve. But, for practical applications in general and for dictation tasks in particular, large vocabularies are required, beca... View full abstract»

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  • A Japanese sentence analyzer

    Publication Year: 1988, Page(s):238 - 250
    Cited by:  Papers (1)  |  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1076 KB)

    This paper presents the design of a broad-coverage Japanese sentence analyzer which can be part of various Japanese processing systems. The sentence analyzer comprises two components: the lexical analyzer and the syntactic analyzer. Lexical analysis, i.e., segmenting a sentence into words, is a formidable problem for a language like Japanese, because it has no explicit delimiters (blanks) between ... View full abstract»

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  • Conceptual graphs for the analysis and generation of sentences

    Publication Year: 1988, Page(s):251 - 257
    Cited by:  Papers (2)  |  Patents (6)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1274 KB)

    A system for analyzing and generating Italian texts is under development at the IBM Rome Scientific Center. Detailed semantic knowledge on word-sense patterns is used to relate the linguistic structure of a sentence to a conceptual representation (a conceptual graph). Conceptual graphs are stored in a database and accessed by a natural-language query/answering module. The system analyzes a text su... View full abstract»

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  • An analysis of hardware and software availability exemplified on the IBM 3725 Communication Controller

    Publication Year: 1988, Page(s):268 - 278
    Cited by:  Papers (8)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (870 KB)

    Because of the growing commercial, governmental, and scientific requirements for system availability, evaluating this factor has become increasingly important. This paper presents a unified approach to hardware and software availability of a system in the operational phase. The aim is to evaluate the availability in a given time interval, to show how to improve it, and to determine the probability... View full abstract»

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  • Recent publications by IBM authors

    Publication Year: 1988, Page(s):279 - 298
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1690 KB)

    The information listed here is supplied by the Institute for Scientific Information and other outside sources. Reprints of the papers may be obtained by writing directly to the first author cited. Information on books may be obtained by writing the publisher. Papers and books are listed alphabetically by author. View full abstract»

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  • Recent IBM patents

    Publication Year: 1988, Page(s):299 - 301
    IEEE is not the copyright holder of this material | PDF file iconPDF (234 KB)
    Freely Available from IEEE

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The IBM Journal of Research and Development is a peer-reviewed technical journal, published bimonthly, which features the work of authors in the science, technology and engineering of information systems.

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Clifford A. Pickover
IBM T. J. Watson Research Center