Yasushi Azumatani
Panasonic
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Publication
Featured researches published by Yasushi Azumatani.
Japanese Journal of Applied Physics | 1992
Katsumi Murai; Yasushi Azumatani; Yuji Takagi; Yoshihisa Fukusima; Isao Satoh
An optical disk drive, equipped with additional SCSI commands for full-text search is developed. By hierarchical search architecture of parallel hardware, firmware and software, the system filters information almost at the disk-read speed. The basic search process is executed by a search engine sharing the function with a portion of the error-correcting LSI installed into the optical disk controller. The basic search performance of the developed system is 10 to 25 times faster than that of software. Also, introduction of an associative table for presearching results in performance more than 1000 times faster than that in the case in which no objective lines are found. Though our system does not have large-scale special-purpose hardware for text search, the retrieving speed of the free-text database is dramatically improved.
Archive | 2001
Yoshiichiro Kashiwagi; Takumi Hasebe; Kazuhiro Tsuga; Kazuhiko Nakamura; Yoshihiro Mori; Masayuki Kozuka; Yoshihisa Fukushima; Toshiyuki Kawara; Yasushi Azumatani; Tomoyuki Okada; Kenichi Matsui
Archive | 1991
Yoshihisa Fukushima; Isao Satoh; Yuji Takagi; Yasushi Azumatani; Hiroshi Hamasaka
Archive | 1996
Yasuhiko Yamane; Takumi Hasebe; Kazuhiro Tsuga; Yoshihiro Mori; Kazuhiko Nakamura; Yoshihisa Fukushima; Masayuki Kozuka; Chieko Matsuda; Yasushi Azumatani
Archive | 1994
Yoshihisa Fukushima; Masahiro Inagaki; Yasushi Azumatani; Hiroshi Hamasaka
Archive | 1997
Mitsuaki Oshima; Yoshilichiro Kashiwagi; Takumi Hasebe; Kazuhiro Tsuga; Kazuhiko Nakamura; Yoshihiro Mori; Masayuki Kozuka; Yoshihisa Fukushima; Toshiyuki Kawara; Yasushi Azumatani; Tomoyuki Okada; Kenichi Matsui
Archive | 1991
Yoshihisa Fukushima; Isao Satoh; Yuji Takagi; Yasushi Azumatani; Hiroshi Hamasaka
Archive | 1994
Isao Satoh; Yoshihisa Fukushima; Yuji Takagi; Yasushi Azumatani; Hiroshi Hamasaka
Archive | 1996
Yasushi Azumatani; Yoshihisa Fukushima; Takumi Hasebe; Masayuki Kozuka; Chieko Matsuda; Yoshihiro Mori; Kazuhiko Nakamura; Kazuhiro Tsuga; Yasuhiko Yamane
Archive | 1987
Yuji Takagi; Isao Satoh; Makoto Ichinose; Yoshihisa Fukushima; Yuzuru Kuroki; Yasushi Azumatani