Faculty Profiles - ENOKIBORI Yu

Papers - ENOKIBORI Yu

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サッカー指導者の注視行動の分析 -動的対象との関連性-

岩月厚,平山高嗣,榎堀優,間瀬健二

情報処理学会第75回全国大会 2013.3

After the 2011 off the pacific coast of tohoku earthquake why did false rumor diffuse - Impact analysis of the network structure - Impact a Reviewed International journal

Shohei Usui, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenji Mase

IEEJ Transactions on Electronics, Information and Systems Vol. 133 ( 9 ) page： 19 - 1805 2013

Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Electrical Engineers of Japan

As a steady new network communication tool, Social Media has reached global propertion. This phenomenon gave impacts on societies of all over the world. Above all, people provide information to Twitter and Facebook on a daily basis. So that, vast amounts of data exist on Twitter and Facebook. We expect to gather useful information from Twitter and Facebook. Twitter was changed by The 2011 off the Pacific coast of Tohoku Earthquake. And Twitter greatly contributed to diffusion of information. For example, many users checked the safty of their friends or family. However a lot of false rumor were diffused probably because the source of information is unclear. For disasters which will occur, we must analyze diffusion of information on social media as soon as possible. In this paper, we analyze "How the diffusion of information on Twitter has been influenced by structural change of the network which is made by communication among users." As the result, just after The 2011 off the Pacific coast of Tohoku Earthquake the network has become easier to diffuse various information. However this means that misinformation are diffused too. We also found that a few users believed misinformation without being corrected. ©2013 The Institute of Electrical Engineers of Japan.

DOI： 10.1541/ieejeiss.133.1796

Scopus

Analysis of the impact of changing strategy on the GARCH effect with artificial market simulation Reviewed International journal

Tatsuma Yuasa, Fujio Toriumi, Takatsugu Hirayama, Yu Enokibori, Kenji Mase

IEEJ Transactions on Electronics, Information and Systems Vol. 133 ( 9 ) page： 11 - 1728 2013

Language：English Publishing type：Research paper (scientific journal) Publisher：Institute of Electrical Engineers of Japan

The GARCH model is effective to describe the fluctuation process of financial price. It is a model to observe the non-uniform variance of time-series data of financial prices. However, definite theory to reveal how the GARCH effect is produced yet although behavioral characteristics of investors seem to be involved in the causes of GARCH effect. In this study, we aim to reveal the mechanism of producing the GARCH effect in artificial market simulations. We focus on frequency of learning investment strategy. The simulation yielded the results as follows: the lower the probability of changing investment strategy, the higher the GARCH effect. Results suggested that the GARCH effect relate to the ratio of changing strategies. Another simulation showed that inefficient market can occur the GARCH effect. All simulations same result, these findings could be regarded as general differences, caused by an uniform frequency of learning. The GARCH effect is caused by inefficient markets and ineffective investors. ©2013 The Institute of Electrical Engineers of Japan.

DOI： 10.1541/ieejeiss.133.1717

Scopus

ゲーミフィケーションを用いた対話エージェントのための学習データ獲得

岩田直之,鳥海不二夫,平山高嗣,榎堀優,稲葉通将,間瀬健二

HCGシンポジウム2012 2012.12

生成モデルがネットワーク構造に与える影響の分析

臼井翔平,鳥海不二夫,松尾真人,平山高嗣,榎堀優,間瀬健二

2012年度ネットワーク生態学研究会シンポジウム(第9回)(NetEcoSinp2012) 2012.12

同一行動内における潜在行為状態の段階的導出とその考察 Reviewed

伊藤義浩,榎堀優,平山高嗣,間瀬健二

HASC Challenge 2012 シンポジウム 2012.12

コーチング支援のための多視点カメラとマルチセンサ利用

間瀬健二,平山高嗣,榎堀優,丸谷宜史

ビジョン技術の実利用ワークショップ(ViEW2012) 2012.12

板情報を用いた株式市場の状態変化の分析

梅岡利光,鳥海不二夫,平山高嗣,榎堀優,石井健一郎,間瀬健二

2012年度JAFEE大会(第37回) 2012.8

Respiratory Volume Estimation by a Stretchable Textile Sensor. Reviewed International journal

Yu Enokibori,Yoshu Ito,Koji Ikeda,Akihisa Suzuki,Yuuki Shimakami,Tsutomu Kawabe,Kenji Mase

The 4th International Conference on Smart Materials, Structures and Systems (CIMTEC 2012) 2012.7

A Method to Evaluate Metal Filing Skill Level with Wearable Hybrid Sensor Reviewed International journal

Yu Enokibori,Kenji Mase

The 3rd Augmented Human International Conference (AH'12) 2012.5

モーションキャプチャを用いた呼吸肺気量と流速の推定

伊藤陽脩,榎堀優,川部勤,間瀬健二

2012年電子情報通信学会総合大会 2012.3

ウェアラブル加速度・角速度センサを用いたヤスリがけ技能評価の検討

榎堀優,間瀬健二

SIG-KST：知識・技術・技能の伝承支援研究会(人工知能学会第２種研究会) 第15回研究会 2012.3

異なる識別器間の協調学習を用いた手動ラベル付け無し行動認識

伊藤義浩,榎堀優,間瀬健二

HASC2011ワークショップ 2012.1

行動識別器間の協調学習における信頼度の低いデータによる識別精度への影響評価

伊藤義浩,榎堀優,梶田将司,間瀬健二

平成23年度電気関係学会東海支部連合大会 2011.9

多視点映像視聴支援のためのマルチセンサを用いた視点選択手法の検討

角谷昇一郎,北出卓也,榎堀優,丸谷宜史,梶田将司,間瀬健二

2011年度人工知能学会全国大会(第25回)(JSAI2011) 2011.6

Smart Environment Suite: 異種ミドルウェア混載スマート環境を仮想環境を用いて構築する機構

榎堀優,西尾信彦

マルチメディア, 分散, 協調とモバイル（DICOMO2009）シンポジウム 2009.7

異種スマート環境間での抽象度の高いサービス指定とその解決手法の提案

藪下直哉,榎堀優,新井イスマイル,西尾信彦

第71回全国大会講演論文集(分冊3) 2009.3

サービス利用に必要なノードを自動的に追加する動的VPN管理機構

榎堀優,新井イスマイル,西尾信彦

第20回ユビキタスコンピューティングシステム研究発表会 2008.11

RESTに基づく異種スマート環境間のセキュアな連携基盤

岩崎陽平,榎堀優,藤原茂雄,田中宏一,西尾信彦,河口信夫

マルチメディア, 分散, 協調とモバイル（DICOMO2008）シンポジウム 2008.7

サービスアクセスに連動したトンネルネットワークの自動構築

榎堀優,中野悦史,藤原茂雄,田中宏一,岩崎陽平,河口信夫,西尾信彦

マルチメディア, 分散, 協調とモバイル（DICOMO2008）シンポジウム 2008.7

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Papers - ENOKIBORI Yu