Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
IN, CCS (Joint) |
2018-08-02 10:55 |
Hokkaido |
Kitayuzawa Mori-no-Soraniwa |
Inferring Latent Traffic Demand by Using State Space Model and Predicting Quality Degradation as a Equilibrium Point of Negative Feedback Loop Keisuke Ishibashi, Shigeaki Harada (NTT), Ryoichi Kawahara (Toyo Univ.) IN2018-19 |
[more] |
IN2018-19 pp.39-44 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:55 |
Hokkaido |
Hakodate Arena |
[Poster Presentation]
A Study on Machine Learning Based Anomaly Detection for a Large Network with Cooperative Edge-Cloud Computing Kengo Tajiri, Yasuhiro Ikeda (NTT), Ryoichi Kawahara (Toyo Univ.), Ryoichi Shinkuma (Kyoto Univ.) RCC2018-49 NS2018-62 RCS2018-107 SR2018-46 ASN2018-43 |
Early or predictive detection of network failures with anomaly detection techniques is important for providing stable se... [more] |
RCC2018-49 NS2018-62 RCS2018-107 SR2018-46 ASN2018-43 pp.109-110(RCC), pp.115-116(NS), pp.127-128(RCS), pp.119-120(SR), pp.125-126(ASN) |
NS, IN (Joint) |
2018-03-01 09:00 |
Miyazaki |
Phoenix Seagaia Resort |
Classifying OSes on User Devices Using the Similarity of DNS Query Sets Yuka Komai, Masahiro Kobayashi, Shigeaki Harada, Keisuke Ishibashi, Ryoichi Kawahara (NTT), Tatsuya Mori, Shigeki Goto (Waseda Univ.) IN2017-89 |
Due to the emergence of various user devices, it becomes important to manage traffic based on OSes (Operating Systems) o... [more] |
IN2017-89 pp.1-4 |
MoNA, ASN, IPSJ-MBL, IPSJ-UBI [detail] |
2018-02-26 16:20 |
Tokyo |
Sophia University |
Study on performance evaluation for edge-cloud cooperation system for real-time predictive information delivery Ryoichi Shinkuma, Taichi Sakakibara (Kyoto Univ.), Yasuhiro Ikeda, Kengo Tajiri, Ryoichi Kawahara (NTT) MoNA2017-67 |
[more] |
MoNA2017-67 pp.169-174 |
IN |
2018-01-23 11:15 |
Aichi |
WINC AICHI |
Retraining anomaly detection model using Autoencoder Yasuhiro Ikeda, Keisuke Ishibashi, Yusuke Nakano, Keishiro Watanabe, Ryoichi Kawahara (NTT) IN2017-84 |
An autoencoder has been attracting much attention as an anomaly detection algorithm.
The autoencoder enables unsupervis... [more] |
IN2017-84 pp.77-82 |
MoNA |
2018-01-18 14:25 |
Kyoto |
Campus Plaza Kyoto |
Study on problem formulation for edge-cloud cooperation system for real-time predictive information delivery Ryoichi Shinkuma, Takayuki Hayashida (Kyoto Univ), Yasuhiro Ikeda, Kengo Tajiri, Ryoichi Kawahara (NTT) MoNA2017-44 |
[more] |
MoNA2017-44 pp.19-23 |
IN |
2017-06-16 11:30 |
Fukushima |
Roudou-Fukushi-Kaikan (Koriyama) |
Inferring causal parameters of anomalies detected by autoencoder using sparse optimization Yasuhiro Ikeda, Keisuke Ishibashi, Yusuke Nakano, Keishiro Watanabe, Ryoichi Kawahara (NTT) IN2017-18 |
The anomaly detection algorithm based on an autoencoder has attracted much attention.
An autoencoder is a neural networ... [more] |
IN2017-18 pp.61-66 |
MoNA, IPSJ-MBL, IPSJ-DPS, IPSJ-ITS |
2017-06-01 10:20 |
Okinawa |
Chatan-cho Mihama MS |
System design for cooperative edge-cloud computing Ryoichi Shinkuma, Shingo Kato, Masahiro Kanbayashi (Kyoto Univ.), Yasuhiro Ikeda, Ryoichi Kawahara (NTT), Takanori Hayashi (Hiroshima Institute of Technology) MoNA2017-2 |
[more] |
MoNA2017-2 pp.29-32 |
ICM |
2017-03-10 17:00 |
Okinawa |
Miyakojima Marine Terminal Bldg. |
Action Sentence Matching Allowing Reordered Action Descriptions for Trouble Ticket Analysis Akio Watanabe, Keishiro Watanabe, Ryoichi Kawahara (NTT) ICM2016-68 |
Recent large and complicated networks make system operations more difficult because patterns of failure causes are more ... [more] |
ICM2016-68 pp.87-92 |
NS, IN (Joint) |
2017-03-02 11:00 |
Okinawa |
OKINAWA ZANPAMISAKI ROYAL HOTEL |
A method of coordinating multiple control algorithms for NFV Akito Suzuki, Masahiro Kobayashi (NTT), Yousuke Takahashi (NTT COM), Shigeaki Harada, Ryoichi Kawahara (NTT) IN2016-103 |
Network Functions Virtualization (NFV) has possibility to enable a variety of network services by flexibly combining mul... [more] |
IN2016-103 pp.37-42 |
ICM |
2016-07-07 15:05 |
Hokkaido |
|
Multiple Isolating Actions Extraction from Action Logs for Clarifying Trouble-shooting Process Akio Watanabe, Yoichi Matsuo, Keishiro Watanabe, Keisuke Ishibashi, Ryoichi Kawahara (NTT) ICM2016-13 |
Virtualization of ICT system has made more convenient of its use.
However, complicated system architecture by virtualiz... [more] |
ICM2016-13 pp.27-32 |
NS, IN (Joint) |
2016-03-04 09:30 |
Miyazaki |
Phoenix Seagaia Resort |
Evaluating connectivity on physical networks with switch failures Koki Sonoda, Jun Kawahara (NAIST), Takeru Inoue (NTT), Shoji Kasahara (NAIST), Osamu Akashi, Ryoichi Kawahara, Hiroshi Saito (NTT) NS2015-213 |
In a network reliability evaluation, it is a problem to compute the probability that two specified nodes can communicate... [more] |
NS2015-213 pp.261-266 |
AP, SANE (Joint) |
2015-08-27 12:20 |
Ibaraki |
Ibaragi Univ. Mito Campus |
[Invited Lecture]
Terminal control scheme using spatial information for reducing battery consumption in multi-band cellular network Yasuhiro Ikeda (NTT), Masahiro Umehira (Ibaraki Univ.), Hiroshi Saito, Ryoichi Kawahara (NTT) AP2015-63 SANE2015-36 |
A multi-band cellular network,
which utilizes both micro cell with high frequencies such as millimeter wave and macro c... [more] |
AP2015-63 SANE2015-36 pp.13-18 |
RCS, IN (Joint) |
2013-05-17 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Name resolution based on a set of attribute-value pairs in real world information Ryoichi Kawahara, Hiroshi Saito (NTT) IN2013-23 |
It is expected that a huge number of various types
of objects such as sensor-devices, mobile terminals, and
home-app... [more] |
IN2013-23 pp.65-70 |
MoNA, CQ (Joint) |
2012-09-27 10:40 |
Kagawa |
Kagawa pref. Takamatsu-city |
Simulation Study of Traffic Reduction by Combining Content Files in Peer-assisted Content Delivery Networks Naoya Maki, Ryoichi Shinkuma (Kyoto Univ.), Tatsuya Mori, Noriaki Kamiyama, Ryoichi Kawahara (NTT), Tatsuro Takahashi (Kyoto Univ.) CQ2012-41 |
(To be available after the conference date) [more] |
CQ2012-41 pp.1-6 |
IBISML |
2012-06-19 16:00 |
Kyoto |
Campus plaza Kyoto |
Topic Extraction Method by Semi-Supervised Latent Dirichlet Allocation for Real-Time Recommendation Yasuhiro Ikeda, Ryoichi Kawahara, Hiroshi Saito (NTT) IBISML2012-6 |
Probabilistic topic models for unsupervised learning have been attracting attention
as technology of analyzing user's i... [more] |
IBISML2012-6 pp.35-40 |
CQ, MoNA, ITE-CE, ITE-BCT [detail] |
2011-09-08 10:25 |
Kumamoto |
Pref. Univ. Kumamoto |
Impact of Multicast Pre-distribution on Networks Noriaki Kamiyama (NTT), Kenji Yokota (Kyoto University), Ryoichi Kawahara, Tatsuya Mori (NTT) CQ2011-31 |
[more] |
CQ2011-31 pp.1-6 |
CQ, MoNA, ITE-CE, ITE-BCT [detail] |
2011-09-08 11:15 |
Kumamoto |
Pref. Univ. Kumamoto |
Traffic Reduction by Content-oriented Incentive Mechanism in Peer-assisted Content Delivery Network Naoya Maki, Takayuki Nishio, Ryoichi Shinkuma (Kyoto Univ.), Tatsuya Mori, Noriaki Kamiyama, Ryoichi Kawahara (NTT), Tatsuro Takahashi (Kyoto Univ.) CQ2011-33 |
Minimizing network traffic is an important issue in content services delivering large volume content files to lower the ... [more] |
CQ2011-33 pp.13-18 |
RCS, IN (Joint) |
2011-05-27 13:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Analyzing Correlation among TCP Quality Metrics on Measured Traffic Data Yasuhiro Ikeda, Noriaki Kamiyama, Ryoichi Kawahara, Tatsuaki Kimura, Tatsuya Mori (NTT) IN2011-27 |
With the spread of provision of variant services on IP network and increase in demand for the network quality assurance,... [more] |
IN2011-27 pp.51-56 |
NS |
2011-05-19 11:30 |
Tokyo |
Sophia University |
Traffic Localization by Incentive Content-Download Control in Peer-assisted Content Distribution Naoya Maki, Takayuki Nishio, Ryoichi Shinkuma (Kyoto Univ.), Tatsuya Mori, Noriaki Kamiyama, Ryoichi Kawahara (NTT), Tatsuro Takahashi (Kyoto Univ.) NS2011-21 |
Traffic is localized when a user can obtain her or his requested content from another user instead of the source server.... [more] |
NS2011-21 pp.29-34 |