Journal of Information Processing and Management
Online ISSN : 1347-1597
Print ISSN : 0021-7298
ISSN-L : 0021-7298
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Volume 35, Issue 4
Displaying 1-14 of 14 articles from this issue
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Lecture
  • Current status and future of machine translation
    Yoshiyuki SAKAMOTO
    1992 Volume 35 Issue 4 Pages 273-288
    Published: July 01, 1992
    Released on J-STAGE: May 30, 2008
    DOIhttps://doi.org/10.1241/johokanri.35.273
    JOURNAL FREE ACCESS
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    This is the lecture paper presented at the Research Exchange Center of the Science and Technology Agency, Tsukuba City as an event for the Science and Technology Week. It describes current status of machine translation system which is still immature in terms of quality and manipulation, and also its history from the beginning to practical use. Two representative methods of machine translation which are currently executed, transfer method and pivot method, are explained based on sample sentences along some translation cases. Then showing evaluation of translation experiment the author himself conducted he points out that precise/accurate original sentences can produce precise/accurate translated ones also in machine translation.
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  • The outline of patent databases in STN
    [4] Recently trend
    Ichiro YOSHIKAWA
    1992 Volume 35 Issue 4 Pages 303-321
    Published: July 01, 1992
    Released on J-STAGE: May 30, 2008
    DOIhttps://doi.org/10.1241/johokanri.35.303
    JOURNAL FREE ACCESS
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    This paper describes the new changes of databases in STN after last November. They are as follows: (1) CASREACT, one of CAS databases series, is the file of chemical reactions and contains records of patents from Jan. 1991, (2) IFIUDB and IFICDB, files of US patents in IFI databases series, contain Uniterm CAS RN (URN). URN are able to use in STN only and are not contained in same database in other systems, (3) combination search of INPADOC and PATDPA, the former is the file of bibliographic records and legal status informations of world patents and the later is the database of German patents.
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Series
  • Information management [4] Management 3
    Use of electronic filing
    Yoshikazu SHIMADA, Koji SOMEYA
    1992 Volume 35 Issue 4 Pages 323-334
    Published: July 01, 1992
    Released on J-STAGE: May 30, 2008
    DOIhttps://doi.org/10.1241/johokanri.35.323
    JOURNAL FREE ACCESS
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    Electronic filing has become popular, where information is recorded/stored on magnetic or optical recording media. There are two kinds of recording formats, codes and images. Magnetic recording media include floppy disks, magnetic disks, magnetic tapes. Replay only type, postscript adding type and rewriting available type media are categorized under optical recording media. Each of recording method/media has its own advantages, so that we need to choose it according to our own objectives. The author describes information retrieval systems of electronic files, i.e., documents prepared by a word processor and optical disks, using general purpose computers and communication networks.
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