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Keiichi Ochiai
Keiichi Ochiai
NTT DOCOMO, INC.
Verified email at nttdocomo.com - Homepage
Title
Cited by
Cited by
Year
Arrhythmia Detection from 2-lead ECG using Convolutional Denoising Autoencoders
K Ochiai, S Takahashi, Y Fukazawa
ACM SIGKDD 2018 Deep Learning Day, 2018
302018
Smartphone-based mental state estimation: A survey from a machine learning perspective
Y Fukazawa, N Yamamoto, T Hamatani, K Ochiai, A Uchiyama, K Ohta
Journal of Information Processing 28, 16-30, 2020
232020
Physiological stress level estimation based on smartphone logs
N Yamamoto, K Ochiai, A Inagaki, Y Fukazawa, M Kimoto, K Kiriu, ...
2018 eleventh international conference on mobile computing and ubiquitous …, 2018
232018
Real-time on-device troubleshooting recommendation for smartphones
K Ochiai, K Senkawa, N Yamamoto, Y Tanaka, Y Fukazawa
Proceedings of the 25th ACM SIGKDD International Conference on Knowledge …, 2019
102019
Generic POI recommendation
H Katsumi, W Yamada, K Ochiai
Adjunct Proceedings of the 2020 ACM International Joint Conference on …, 2020
72020
位置情報サービスの利用状況を活用した POI 推薦手法
落合桂一, 深澤佑介, 山田渉, 松尾豊
人工知能学会全国大会論文集 第 31 回 (2017), 2B23-2B23, 2017
7*2017
マイクロブログを用いたイベント情報抽出技術
山田渉, 菊地悠, 落合桂一, 鳥居大祐, 稲村浩, 太田賢
情報処理学会論文誌 57 (1), 123-132, 2016
72016
時間変化する特徴語によるマイクロブログ地名曖昧性解消
落合桂一, 鳥居大祐
情報処理学会論文誌データベース (TOD) 7 (2), 51-60, 2014
72014
Local App Classification using Deep Neural Network based on Mobile App Market Data
K Ochiai, F Putri, Y Fukazawa
IEEE PerCom 2019 Industry Track, 0
6*
Exploiting graph convolutional networks for representation learning of mobile app usage
K Ochiai, N Yamamoto, T Hamatani, Y Fukazawa, T Yamaguchi
2019 IEEE International Conference on Big Data (Big Data), 5379-5383, 2019
52019
Extracting local event information from micro-blogs for trip planning
W Yamada, D Torii, H Kikuchi, H Inamura, K Ochiai, K Ohta
2015 Eighth International Conference on Mobile Computing and Ubiquitous …, 2015
52015
生活密着情報を提供するリアルタイム検索サービスの開発
鳥居大祐, 赤塚隼, 落合桂一
NTTDoCoMo テクニカル・ジャーナル/NTT ドコモ 企画編集 20 (4), 12-17, 2013
5*2013
Gonio-spectral based digital archiving and reproduction system for electronic museum
K Ochiai, N Tsumura, T Nakaguchi, K Miyata, Y Miyake
ACM SIGGRAPH 2006 Research posters, 97-es, 2006
52006
Evaluation device
K Ochiai, S Takahashi, Y Fukazawa
US Patent App. 16/968,347, 2020
42020
Gravity of location-based service: Analyzing the effects for mobility pattern and location prediction
K Ochiai, Y Fukazawa, W Yamada, H Manabe, Y Matsuo
Proceedings of the International AAAI Conference on Web and Social Media 14 …, 2020
42020
Twitter 投稿文章とプロフィール情報を用いた POI 公式アカウント分類手法
落合桂一, 山田渉, 深澤佑介, 菊地悠, 松尾豊
情報処理学会論文誌データベース (TOD) 9 (2), 11-22, 2016
4*2016
Place popularity estimation system
K Enokizono, Y Fukazawa, H Kikuchi, K Ochiai, S Ishiguro
US Patent App. 16/346,387, 2019
32019
Recognizing whether a person is eating alone or has company by using wearable devices
K Kiriu, K Ochiai, A Inagaki, N Yamamoto, Y Fukazawa, M Kimoto, ...
2017 Tenth International Conference on Mobile Computing and Ubiquitous …, 2017
32017
CamTrackPoint: Pointing stick for mobile device using rear camera
W Yamada, H Manabe, H Hakoda, K Ochiai, D Ikeda
Proceedings of the 2017 ACM International Joint Conference on Pervasive and …, 2017
32017
Analysis of Location-related Tweets and its Applications
K Ochiai, D Torii, H Kikuchi, W Yamada
NTT DOCOMO Technical Journal 22 (2), 7, 2014
32014
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Articles 1–20