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Browsing 学術雑誌論文 / Journal Article by Title

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  • 丸山, 敦史; 柴田, 直樹; 村田, 佳洋; 安本, 慶一; 伊藤, 実 (一般社団法人情報処理学会, 2004-12-15)
    本論文では,観光のためのパーソナルナビゲーションシステム“P-Tour” を提案する.P-Tour は,ユーザが出発地と出発時刻,帰着地と帰着時刻,複数の観光候補地と各地への立ち寄り希望度と時間制約(到着時間帯や滞在時間など)を設定すると,制限時間内で巡回可能かつ最も満足度が高くなるような巡回経路(いくつかの観光地を含む)と各観光地への到着・出発予定時刻を含むスケジュールを算出しユーザに提示する機能を提供する.P-Tour ...
  • Ishii, Masahiro; Inomata, Astuo; Fujikawa, Kazutoshi (International Academy Publishing, 2014-05)
    Pairings on hyperelliptic curves have been applied to many cryptographic schemes, and it is important to exploit methods that increase the speed of various pairings and their curves. Additionally, multiple pairings should ...
  • Shibata, Masahiro; Kawai, Shinji; Ooshita, Fukuhito; Kakugawa, Hirotsugu; Masuzawa, Toshimitsu (Elsevier, 2015-09-25)
    In this paper, we consider the partial gathering problem of mobile agents in asynchronous unidirectional rings equipped with whiteboards on nodes. The partial gathering problem is a new generalization of the total gathering ...
  • Paderna, Ryan; Hou, Yafei; Thang, Duong Quang; Higashino, Takeshi; Okada, Minoru (一般社団法人 映像情報メディア学会, 2018-01-01)
    In order to realize next generation digital terrestrial television broadcasting (DTTB) systems, the currently deployed Integrated Services Digital Broadcasting Terrestrial (ISDB-T) is still essential due to the spectrum-scarcity. ...
  • 玉井, 森彦; 柴田, 直樹; 安本, 慶一; 伊藤, 実 (一般社団法人情報処理学会, 2006-02-15)
    本論文では,PC グリッド環境で市場原理に基づいた資源共有を行うことを目的として,資源の買い手と売り手の注文の登録,適合を処理するマーケットブローカの分散実行方式を提案する.提案方式では,(i) 買い手が必要とする量の資源を複数の売り手から一度に確保することができ,(ii) 各資源の取引価格は市場原理に基づいて自動的に決定される.また,(iii) 複数サーバノードへの負荷の分散により,ユーザ数の増加に対するスケーラビリティが確保できる. ...
  • Kaji, Yuichi (一般社団法人情報処理学会, 2015-03-30)
    A random-walk model is investigated and utilized to analyze the performance of a coding scheme that aims to extend the lifetime of flash memory. Flash memory is widely used in various products today, but the cells that ...
  • Visoottiviseth, Vasaka; Kido, Hiroyuki; Iida, Katsuyoshi; Kadobayashi, Youki; Yamaguchi, Suguru (Institute of Electronics, Information and Communication Engineers, 2005-04-01)
    Although IP Multicast offers efficient data delivery for large group communications, the most critical issue delaying widespread deployment of IP Multicast is the scalability of multicast forwarding state as the number of ...
  • Wang, Zhonghua; Matsuo, Takashi; Nagao, Satoshi; Hirota, Shun (The Royal Society of Chemistry, 2011-04-12)
    The peroxidase activity of horse cytochrome c was enhanced by its dimerization, where its Compound III (oxy-form) and Compound I (oxoferryl porphyrin [small pi]-cation radical) species were detected in the reactions with ...
  • 李 晃伸; 河原 達也; 武田 一哉; 鹿野 清宏 (電子情報通信学会, 2000-12)
    大語彙(い)連続音声認識のための新たなphonetic tied-mixture(PTM)モデルを提案する.このモデルは各音素モデル(monophone)の各状態がもつ64個のガウス分布集合をtriphoneの対応する状態に割り当て, 重みのみを変えて共有することで合成する.通常の状態共有triphoneに比べて音響空間を効率良く表現でき, また巨大なコードブックを要する従来のtied-mixtureモデルよりも学習が容易である.2万語 ...
  • Tai, Hulin; Xu, Liyang; Inoue, Seiya; Nishikawa, Koji; Higuchi, Yoshiki; Hirota, Shun (The Royal Society of Chemistry, 2016-07-15)
    The Ni-SIr state of [NiFe] hydrogenase from Desulfovibrio vulgaris Miyazaki F was photoactivated to its Ni-SIa state by Ar(+) laser irradiation at 514.5 nm, whereas the Ni-SL state was light induced from a newly identified ...
  • Aotake, Tatsuya; Yamashita, Yuko; Okujima, Tetsuo; Shirasawa, Nobuhiko; Jo, Yukari; Fujimori, Shigeo; Uno, Hidemitsu; Ono, Noboru; Yamada, Hiroko (Elsevier, 2013-04-03)
    Highly fluorescent naphthacene derivatives and their photoconvertible precursors were synthesized for irreversibly photo-responsive fluorescent molecules. The fluorescence quantum yields (Φf) of the precursors were less ...
  • Takeda, Kyozaburo; Shiraishi, Kenji; Fujiki, Michiya; Kondo, Michio; Morigaki, Kazuo (American Physical Society, 1994-08-15)
    Photocreated metastable states in organopolysilane (PSi) solids are observed using the electron-spin-resonance (ESR) technique. Two types of light-induced ESR (LESR) spectra are found depending on the excitation photon ...
  • Matsui, Fumihiko; Eguchi, Ritsuko; Nishiyama, Saki; Izumi, Masanari; Uesugi, Eri; Goto, Hidenori; Matsushita, Tomohiro; Sugita, Kenji; Daimon, Hiroshi; Hamamoto, Yuji; Hamada, Ikutaro; Morikawa, Yoshitada; Kubozono, Yoshihiro (Macmillan Publishers, 2016-11-04)
    From the C 1s and K 2p photoelectron holograms, we directly reconstructed atomic images of the cleaved surface of a bimetal-intercalated graphite superconductor, (Ca, K)C8, which differed substantially from the expected ...
  • Nabesaka, Kyohei; Ishikawa, Yasuaki; Hosokawa, Yoichiroh; Uraoka, Yukiharu (IOP Publishing Ltd on behalf of the Japan Society of Applied Physics., 2017-01-06)
    A ZnS microcrystal was treated with an ultrashort-pulse laser and applied to an inorganic electroluminescence (EL) phosphor. We found that the emission intensity of the EL phosphor was increased by laser-induced photomechanical ...
  • Yamaguchi, Yuji; Suzuki, Mitsuharu; Motoyama, Takao; Sugii, Shuhei; Katagiri, Chiho; Takahira, Katsuya; Ikeda, Shinya; Yamada, Hiroko; Nakayama, Ken-ichi (Nature Publishing Group, 2014-11-21)
    The vertical composition profile of active layer has a major effect on the performance of organic photovoltaic devices (OPVs). While stepwise deposition of different materials is a conceptually straightforward method for ...
  • Osuka, Hisao; Shomura, Yasuhito; Komori, Hirofumi; Shibata, Naoki; Nagao, Satoshi; Higuchi, Yoshiki; Hirota, Shun (Elsevier, 2013-01-04)
    [NiFe] hydrogenase catalyzes reversible oxidation of molecular hydrogen. Its active site is constructed of a hetero dinuclear Ni-Fe complex, and the oxidation state of the Ni ion changes according to the redox state of the ...
  • Hashimoto, Yuichiro; Nakashima, Takuya; Shimizu, Daiya; kawai, tsuyoshi (Royal Society of Chemistry, 2016-03-11)
    On–off photoswitching of circularly polarized luminescence was achieved using a pyrene-bearing helical tetrathiazole, in which two pyrene fluorophores stack in a chiral fashion (folded state). The pyrene-excimer based CPL ...
  • Lee, Wang-Eun; Lee, Chang-Lyoul; Sakaguchi, Toshikazu; Fujiki, Michiya; Kwak, Giseop (Royal Society of Chemistry, 2011-02-08)
    Liquid crystalline diphenylacetylene polymer derivatives showed piezochromic fluorescence via order-to-disorder phase transition.
  • 杉本, 謙二 (システム制御情報学会, 2000-06-15)
  • Katoh, Akira; Ashida, Hiroki; Kasajima, Ichiro; Shigeoka, Shigeru; Yokota, Akiho (JAPANESE SOCIETY OF BREEDING, 2015-04-24)
    The combined total annual yield of six major crops (maize, rice, wheat, cassava, soybean, and potato; Solanum tuberosum L.) amounts to 3.1 billion tons. In recent years, staple crops have begun to be used as substitutes ...

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