A fuzzy information processing system of seismic data |
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| Authors: | Hidemi M Ito Akihiko Wakayama Mitsuyuki Hoshiba De-Yi Feng and Ming-Zhou Lin |
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| Institution: | (1) Seismology Division, Meteorological Research Institute, 305 Tsukuba, Ibaraki, Japan;(2) Seismological Bureau of Tianjin, 300201 Tianjin, China;(3) Seismological Bureau of Shanghai, 200062 Shanghai, China |
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| Abstract: | We have developed a workstation-assisted information processing system. The system has three major functions: information
retrieval from seismic data, detection of earthquake precursors, and graphical display of relevant results. Fuzziness is inevitably
involved in these functions, an adequate treatment of which is vital. The system accepts instructions given by a successive
choice of words in hierarchal structure, which is followed by a tune-up of the corresponding membership function. The degrees
of fuzziness in the outputs are recognized visually, for example, by coloring. This contrivance together with dynamic data
exchange among the above functions facilitates the operation of the system.
The Chinese version of this paper appeared in the Chinese edition ofActa Seismologica Sinica,15, 399–406, 1993.
This study is partly supported by a project “Fuzzy systems and their applications to human and natural sciences” of Science
and Technology Agency. |
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| Keywords: | Fuzzy information retrieval Fuzzy user interface seismic data earthquake precursors software system |
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