Tsuyoshi TOYONO

Proactive Failure Detection Learning Generation Patterns of Large-Scale Network Logs
Tatsuaki KIMURA Akio WATANABE Tsuyoshi TOYONO Keisuke ISHIBASHI 
Publication:   
Publication Date: 2019/02/01
Vol. E102-B  No. 2  pp. 306-316
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
syslog, network management, failure detection, machine learning, 
 Summary | Full Text:PDF
Workflow Extraction for Service Operation Using Multiple Unstructured Trouble Tickets
Akio WATANABE Keisuke ISHIBASHI Tsuyoshi TOYONO Keishiro WATANABE Tatsuaki KIMURA Yoichi MATSUO Kohei SHIOMOTO Ryoichi KAWAHARA 
Publication:   
Publication Date: 2018/04/01
Vol. E101-D  No. 4  pp. 1030-1041
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
system management, operation, trouble ticket, workflow, multiple sequence alignment, hidden markov model, 
 Summary | Full Text:PDF
Network Event Extraction from Log Data with Nonnegative Tensor Factorization
Tatsuaki KIMURA Keisuke ISHIBASHI Tatsuya MORI Hiroshi SAWADA Tsuyoshi TOYONO Ken NISHIMATSU Akio WATANABE Akihiro SHIMODA Kohei SHIOMOTO 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1865-1878
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
network management, syslog, nonnegative tensor factorization (NTF), 
 Summary | Full Text:PDF
Extending Black Domain Name List by Using Co-occurrence Relation between DNS Queries
Kazumichi SATO Keisuke ISHIBASHI Tsuyoshi TOYONO Haruhisa HASEGAWA Hideaki YOSHINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 794-802
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
 Summary | Full Text:PDF
FieldCast: Peer-to-Peer Presence Information Exchange in Ubiquitous Computing Environment
Katsunori MATSUURA Yoshitsugu TSUCHIYA Tsuyoshi TOYONO Kenji TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2610-2617
Type of Manuscript:  Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: Protocols, Applications and Services
Keyword: 
presence service, peer-to-peer (P2P), SIMPLE, privacy protection, geolocation, 
 Summary | Full Text:PDF