Tatsuya MORI


Automating URL Blacklist Generation with Similarity Search Approach
Bo SUN Mitsuaki AKIYAMA Takeshi YAGI Mitsuhiro HATADA Tatsuya MORI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 873-882
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Web security
Keyword: 
drive-by-downloadURL blacklistsearch spacemachine learningweb client honeypot
 Summary | Full Text:PDF(2MB)

Optimally Identifying Worm-Infected Hosts
Noriaki KAMIYAMA Tatsuya MORI Ryoichi KAWAHARA Shigeaki HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/08/01
Vol. E96-B  No. 8  pp. 2084-2094
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
wormdetectionsamplingoptimum design
 Summary | Full Text:PDF(1.3MB)

A Resilient Forest-Based Application Level Multicast for Real-Time Streaming
Kazuya TAKAHASHI Tatsuya MORI Yusuke HIROTA Hideki TODE Koso MURAKAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/07/01
Vol. E96-B  No. 7  pp. 1874-1885
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
Application Level Multicast (ALM)forest-basedisolationreal-time streamingresilient
 Summary | Full Text:PDF(2.2MB)

Multicast Pre-Distribution VoD System
Noriaki KAMIYAMA Ryoichi KAWAHARA Tatsuya MORI Haruhisa HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1459-1471
Type of Manuscript:  PAPER
Category: Network
Keyword: 
rich contentCDNISP
 Summary | Full Text:PDF(1.4MB)

Optimally Designing ISP-Operated CDN
Noriaki KAMIYAMA Tatsuya MORI Ryoichi KAWAHARA Haruhisa HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/03/01
Vol. E96-B  No. 3  pp. 790-801
Type of Manuscript:  PAPER
Category: Network
Keyword: 
content deliveryCDNISP
 Summary | Full Text:PDF(1.5MB)

Analyzing Characteristics of TCP Quality Metrics with Respect to Type of Connection through Measured Traffic Data
Yasuhiro IKEDA Ryoichi KAWAHARA Noriaki KAMIYAMA Tatsuaki KIMURA Tatsuya MORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/02/01
Vol. E96-B  No. 2  pp. 533-542
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
QoStraffic measurementTCP
 Summary | Full Text:PDF(2.8MB)

Effect of Limiting Pre-Distribution and Clustering Users on Multicast Pre-Distribution VoD
Noriaki KAMIYAMA Ryoichi KAWAHARA Tatsuya MORI Haruhisa HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Vol. E96-B  No. 1  pp. 143-154
Type of Manuscript:  PAPER
Category: Network
Keyword: 
VoDcontent distributionmulticast
 Summary | Full Text:PDF(1.8MB)

Traffic Engineering of Peer-Assisted Content Delivery Network with Content-Oriented Incentive Mechanism
Naoya MAKI Takayuki NISHIO Ryoichi SHINKUMA Tatsuya MORI Noriaki KAMIYAMA Ryoichi KAWAHARA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/12/01
Vol. E95-D  No. 12  pp. 2860-2869
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Network and Communication
Keyword: 
content delivery networkpeer-assisted networkcontents combinationscombining contentstraffic localization
 Summary | Full Text:PDF(845KB)

Analyzing and Reducing the Impact of Traffic on Large-Scale NAT
Ryoichi KAWAHARA Tatsuya MORI Takeshi YADA Noriaki KAMIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2815-2827
Type of Manuscript:  PAPER
Category: Network
Keyword: 
large scale NATnumber of active flowstraffic measurement
 Summary | Full Text:PDF(1.6MB)

Extended Darknet: Multi-Dimensional Internet Threat Monitoring System
Akihiro SHIMODA Tatsuya MORI Shigeki GOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 1915-1923
Type of Manuscript:  Special Section PAPER (Special Section on Towards Management for Future Networks and Services)
Category: 
Keyword: 
darknetmulti-dimensional monitoringInternet threatsensor
 Summary | Full Text:PDF(1.4MB)

Effects of Sampling and Spatio/Temporal Granularity in Traffic Monitoring on Anomaly Detectability
Keisuke ISHIBASHI Ryoichi KAWAHARA Tatsuya MORI Tsuyoshi KONDOH Shoichiro ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/02/01
Vol. E95-B  No. 2  pp. 466-476
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
anomaly detectionsamplingspatio/temporal granularityhurst parameter
 Summary | Full Text:PDF(1.8MB)

Packet Sampling TCP Flow Rate Estimation and Performance Degradation Detection Method
Ryoichi KAWAHARA Tatsuya MORI Keisuke ISHIBASHI Noriaki KAMIYAMA Hideaki YOSHINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1309-1319
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: Measurement Methodology for Network Quality Such as IP, TCP and Routing
Keyword: 
packet samplingTCP performanceflow measurement
 Summary | Full Text:PDF(1.9MB)

Finding Cardinality Heavy-Hitters in Massive Traffic Data and Its Application to Anomaly Detection
Keisuke ISHIBASHI Tatsuya MORI Ryoichi KAWAHARA Yutaka HIROKAWA Atsushi KOBAYASHI Kimihiro YAMAMOTO Hitoaki SAKAMOTO Shoichiro ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1331-1339
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: Measurement Methodology for Network Quality Such as IP, TCP and Routing
Keyword: 
cardinalityanomaly detectiondata stream
 Summary | Full Text:PDF(1.5MB)

Identifying Heavy-Hitter Flows from Sampled Flow Statistics
Tatsuya MORI Tetsuya TAKINE Jianping PAN Ryoichi KAWAHARA Masato UCHIDA Shigeki GOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11  pp. 3061-3072
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Network Management)
Category: 
Keyword: 
network measurementpacket samplingflow statisticsa priori distributionBayes' theorem
 Summary | Full Text:PDF(1MB)

Method of Bandwidth Dimensioning and Management for Aggregated TCP Flows with Heterogeneous Access Links
Ryoichi KAWAHARA Keisuke ISHIBASHI Tatsuya MORI Toshihisa OZAWA Takeo ABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4605-4615
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
TCP performanceprocessor-sharing modelheterogeneous access linksbandwidth dimensioning and management
 Summary | Full Text:PDF(1.3MB)

On the Characteristics of Internet Traffic Variability: Spikes and Elephants
Tatsuya MORI Ryoichi KAWAHARA Shozo NAITO Shigeki GOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2644-2653
Type of Manuscript:  Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: Traffic Measurement and Analysis
Keyword: 
measurementanalysistrafficspikeselephant flow
 Summary | Full Text:PDF(1MB)

Active Noise Control System in a Duct with Partial Feedback Canceller
Takuya AOKI Tatsuya MORISHITA Toshiyuki TANAKA Masao TAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 400-405
Type of Manuscript:  Special Section PAPER (Special Section on Noise Cancellation and Reduction Techniques)
Category: Active Noise Control
Keyword: 
active noise controlacoustic feedbackreflectionduct
 Summary | Full Text:PDF(266.8KB)