Hiroyuki Ohsaki

211 papers A* 5A 1B 42C 4Journal 51Unranked 107
YearRankTypeTitle / Venue / Authors
2025 B ed.
49th IEEE Annual Computers, Software, and Applications Conference, COMPSAC 2025, Toronto, ON, Canada, July 8-11, 2025
COMPSAC
Hossain Shahriar, Kazi Shafiul Alam, Hiroyuki Ohsaki, Stelvio Cimato, Miriam A. M. Capretz, Shamem Ahmed, Sheikh Iqbal Ahamed, AKM Jahangir Alam Majumder, Munirul Haque, Tomoki Yoshihisa, Alfredo Cuzzocrea, Michiharu Takemoto, Nazmus Sakib, Marwa Elsayed
2025 — conf
CO-QLR: Cooperative Q-Learning based Routing for IoT Networks.
ICOIN
Shotaro Takahashi, Shota Inoue, Hiroyuki Ohsaki
2025 B conf
Coarse Walk: Multilayer Random Walk with Coarsened Graph.
COMPSAC
Kazuma Aoyama, Shota Inoue, Hiroyuki Ohsaki
2025 J jnl
Editor's Message to Special Issue of "Applications and the Internet" in Conjunction with the Main Topics of COMPSAC 2024.
J. Inf. Process.
Hiroyuki Ohsaki
2025 — conf
Exploration Efficiency of Random Walks in Dynamic Graph.
ICOIN
Daiki Nakagawa, Ryotaro Matsuo, Hiroyuki Ohsaki
2025 A conf
Exploring Unknown Social Networks for Discovering Hidden Nodes.
ICWSM
Sho Tsugawa, Hiroyuki Ohsaki
2025 J jnl
Exploring Unknown Social Networks for Discovering Hidden Nodes.
CoRR
Sho Tsugawa, Hiroyuki Ohsaki
2025 B conf
From Fine to Coarse: Analyzing Degree Distribution in Graph Coarsening.
COMPSAC
Yuto Kakihara, Shota Inoue, Hiroyuki Ohsaki
2025 — conf
LLM-Net: Democratizing LLMs-as-a-Service through Blockchain-based Expert Networks.
ICSCA
Zan-Kai Chong, Hiroyuki Ohsaki, Bryan Ng
2025 J jnl
LLM-Net: Democratizing LLMs-as-a-Service through Blockchain-based Expert Networks.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Bryan Ng
2025 — conf
Leveraging Machine Learning for CRC Diagnostic Coverage Estimation.
ICOIN
Taichi Emi, Han Nay Aung, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2025 J jnl
Minimum Link Flow Problem and Its Solution With Sparse Modeling.
IEEE Access
Ryotaro Matsuo, Ryo Nakamura, Hiroyuki Ohsaki
2025 — conf
Obfuscation of Node Centrality in Networks.
ICOIN
Hiroki Kawamura, Ryotaro Matsuo, Hiroyuki Ohsaki
2025 — conf
On the Efficiency of Biased Random Walk with History on a Graph.
ICOIN
Ryo Yoshitsugu, Hiroyuki Ohsaki
2025 J jnl
Proof of Useful Intelligence (PoUI): Blockchain Consensus Beyond Energy Waste.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Bryan Ng
2025 — conf
Q-AIMD: AIMD-based Window Flow Control with Reinforcement Learning.
ICOIN
Yuta Takesada, Han Nay Aung, Ryo Nakamura, Hiroyuki Ohsaki
2025 B conf
Sprint Walk: Local Random Walks with Partial Non-Local Information.
COMPSAC
Han Nay Aung, Hiroyuki Ohsaki
2025 J jnl
The Silent Scholar Problem: A Probabilistic Framework for Breaking Epistemic Asymmetry in LLM Agents.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Bryan Ng
2025 J jnl
Tractable Asymmetric Verification for Large Language Models via Deterministic Replicability.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Bryan Ng
2025 B conf
Understanding and Mitigating Vulnerabilities of Random Walks against Adversarial Attacks.
COMPSAC
Taiyo Hirayama, Han Nay Aung, Hiroyuki Ohsaki
2024 B ed.
48th IEEE Annual Computers, Software, and Applications Conference, COMPSAC 2024, Osaka, Japan, July 2-4, 2024
COMPSAC
Hossain Shahriar, Hiroyuki Ohsaki, Moushumi Sharmin, Dave Towey, A. K. M. Jahangir Alam Majumder, Yoshiaki Hori, Ji-Jiang Yang, Michiharu Takemoto, Nazmus Sakib, Ryohei Banno, Sheikh Iqbal Ahamed
2024 B conf
BloomWalk and CuckooWalk: Fast Random Walks Utilizing Probabilistic Data Structure.
COMPSAC
Ren Inayoshi, Han Nay Aung, Hiroyuki Ohsaki
2024 J jnl
Collaborative Active Learning in Conditional Trust Environment.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng
2024 B conf
FLNET: Fluid-Based Large-Scale Network Simulator.
COMPSAC
Shota Inoue, Tomoka Yamasaki, Ryo Nakamura, Hiroyuki Ohsaki
2024 B conf
Fluid-Based Modeling of TCP BBR Congestion Control Mechanism.
COMPSAC
Shota Inoue, Ryo Nakamura, Hiroyuki Ohsaki
2024 J jnl
Improve Cost Efficiency of Active Learning over Noisy Dataset.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng
2024 J jnl
Improving Uncertainty Sampling with Bell Curve Weight Function.
CoRR
Zan-Kai Chong, Hiroyuki Ohsaki, Bok-Min Goi
2024 B conf
Node Embedding Accelerates Randoms Walk on a Graph.
COMPSAC
Han Nay Aung, Hiroyuki Ohsaki
2024 B conf
On the Impact of Network Topology on Distributed Online Kernel Learning.
COMPSAC
Han Nay Aung, Hiroyuki Ohsaki
2024 B conf
Robustness of Random Walk on a Graph against Adversary Attacks.
COMPSAC
Hiroki Kawamura, Satoshi Shiina, Han Nay Aung, Hiroyuki Ohsaki
2023 B conf
FL-PERF: Predicting TCP Throughput with Federated Learning.
GLOBECOM
Han Nay Aung, Hiroyuki Ohsaki
2023 B conf
Modeling MultiPath TCP for Control Parameter Tuning.
COMPSAC
Han Nay Aung, Keita Goto, Hiroyuki Ohsaki
2023 B conf
On the Potential of Modern TCP Congestion Control Algorithms in Information-Centric Networking.
COMPSAC
Han Nay Aung, Hiroyuki Ohsaki
2023 — conf
Preliminary Evaluation of Random Walk Based Rendezvous Search on Facebook Social Networks.
INCoS
Nanami Tsuji, Yusuke Sakumoto, Hiroyuki Ohsaki
2023 B conf
Study on Performance Bottleneck of Flow-Level Information-Centric Network Simulator.
COMPSAC
Shota Inoue, Han Nay Aung, Keita Goto, Soma Yamamoto, Hiroyuki Ohsaki
2022 — conf
A Solution for Finding Quasi-Shortest Path with Graph Coarsening.
ICOIN
Takeaki Iwata, Keita Kitaura, Ryotaro Matsuo, Hiroyuki Ohsaki
2022 B conf
Implementation and Evaluation of Flow-level Network Simulator for Large-scale ICN Networks.
COMPSAC
Soma Yamamoto, Ryo Nakamura, Hiroyuki Ohsaki
2022 — conf
On Accelerating Multiple Random Walks with Loose Cooperation.
ICOIN
Jo Hagikura, Ryotaro Matsuo, Hiroyuki Ohsaki
2022 — conf
On Inferring Communication Delays Using Semi-Supervised Learning.
ICOIN
Taisei Suzuki, Hiroyuki Ohsaki
2022 B conf
On the Effect of Communication Link Heterogeneity on Content Delivery Delay in Information-Centric Delay Tolerant Networks.
COMPSAC
Hisashi Sagayama, Ryotaro Matsuo, Hiroyuki Ohsaki
2022 — conf
Random Walk on a Graph with Vicinity Avoidance.
ICOIN
Keita Kitaura, Ryotaro Matsuo, Hiroyuki Ohsaki
2022 B conf
Spectral Formula for the Expected First Meeting Time of Diverse Random Walks on a Graph.
COMPSAC
Nanami Tsuji, Fumiya Toyoda, Yusuke Sakumoto, Hiroyuki Ohsaki
2021 — conf
A Solution for Recovering Network Topology with Missing Links using Sparse Modeling.
ICOIN
Ryotaro Matsuo, Hiroyuki Ohsaki
2021 — conf
Effective Node Resistance and its Implication on Network Robustness.
ICOIN
Kazuyuki Yamashita, Hiroyuki Ohsaki
2021 J jnl
Graph Degree Heterogeneity Facilitates Random Walker Meetings.
IEICE Trans. Commun.
Yusuke Sakumoto, Hiroyuki Ohsaki
2021 — conf
On the Correlation between Spectral Measures of Network Topology and Flow-Level QoS.
ICOIN
Kazuyuki Yamashita, Hiroyuki Ohsaki
2020 — conf
Analysis of Constrained Random WayPoint Mobility Model on Graph.
ICOIN
Ryota Sakaguchi, Daiki Matsui, Ryo Nakamura, Hiroyuki Ohsaki
2020 J jnl
Benefits of Bias in Crawl-Based Network Sampling for Identifying Key Node Set.
IEEE Access
Sho Tsugawa, Hiroyuki Ohsaki
2020 — conf
Comparative Analysis of Content Routing Strategies in Information-Centric Delay-Tolerant Networking.
ICOIN
Chuta Minamiguchi, Ryo Nakamura, Hiroyuki Ohsaki
2020 J jnl
Degree Heterogeneity in a Graph Facilitates Quicker Meeting of Random Walkers.
CoRR
Yusuke Sakumoto, Hiroyuki Ohsaki
2020 — conf
Fluid-Based Modeling of Transport Protocol for Information-Centric Networking.
ICOIN
Soma Yamamoto, Ryo Nakamura, Hiroyuki Ohsaki
2020 — conf
On Estimating Communication Delays using Graph Convolutional Networks with Semi-Supervised Learning.
ICOIN
Taisei Suzuki, Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2020 B conf
On Estimating Network Topology from Observed Flow Sets at Measurement Nodes.
COMPSAC
Keita Kitaura, Ryotaro Matsuo, Ryo Nakamura, Hiroyuki Ohsaki
2020 — conf
On the Dynamics of Branching Random Walk on Random Regular Graph.
ICOIN
Takuro Mayaguchi, Ryota Sakaguchi, Hiroyuki Ohsaki
2020 B conf
On the Effectiveness of Random Node Sampling in Influence Maximization on Unknown Graph.
COMPSAC
Yuki Wakisaka, Kazuyuki Yamashita, Sho Tsugawa, Hiroyuki Ohsaki
2020 B conf
On the Optimal Cache Allocation in Information-Centric Networking.
COMPSAC
Jo Hagikura, Ryo Nakamura, Hiroyuki Ohsaki
2020 J jnl
On the Optimality of Shortest-path Routing in Information-Centric Networking.
J. Inf. Process.
Ryo Nakamura, Hiroyuki Ohsaki
2020 B conf
On the Performance of End-to-End Routing in Complex Networks with Intermittent Links.
COMPSAC
Michika Ohnishi, Chuta Minamiguchi, Hiroyuki Ohsaki
2020 J jnl
Predictability of Network Robustness from Spectral Measures.
J. Inf. Process.
Kazuyuki Yamashita, Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2020 B conf
Proposal of an Efficient Blind Search Utilizing the Rendezvous of Random Walk Agents.
COMPSAC
Fumiya Toyoda, Yusuke Sakumoto, Hiroyuki Ohsaki
2019 — conf
A Discrete Model of IEEE 1588-2008 Precision Time Protocol with Clock Servo using PI Controller.
COMPSAC (2)
Ryuichiro Maegawa, Daiki Matsui, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2019 J jnl
A Fast Packet Loss Detection Mechanism for Content-Centric Networking.
IEICE Trans. Commun.
Ryo Nakamura, Hiroyuki Ohsaki
2019 — conf
Delayed Packet Forwarding for Information-Centric Networking.
CFI
Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2019 — conf
Fluid-Based Modeling of Large-Scale IEEE 802.15.4 Wireless Sensor Networks.
COMPSAC (2)
Kei Katayama, Hiroyuki Ohsaki
2019 — conf
Modeling Restrained Epidemic Routing on Complex Networks.
COMPSAC (1)
Natsuko Kawabata, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2019 — conf
On Placement of Base Stations for Cut-Through Links in Epidemic Broadcast.
CCWC
Yasuhiro Yamasaki, Hiroyuki Ohsaki
2019 J jnl
On Scaling Property of Information-Centric Networking.
IEICE Trans. Commun.
Ryo Nakamura, Hiroyuki Ohsaki
2019 — conf
On the Effectiveness of Position-Based Routing in Delay/Disruption-Tolerant Networking.
COMPSAC (2)
Natusko Kawabata, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2019 — conf
On the Predictability of Network Robustness from Spectral Measures.
COMPSAC (2)
Kazuyuki Yamashita, Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2019 J jnl
Revisiting the Robustness of Complex Networks against Random Node Removal.
J. Inf. Process.
Kazuyuki Yamashita, Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2019 — ch.
Robustness of Influence Maximization Against Non-adversarial Perturbations.
Influence and Behavior Analysis in Social Networks and Social Media
Sho Tsugawa, Hiroyuki Ohsaki
2019 — conf
Sparse Representation of Network Topology with K-SVD Algorithm.
COMPSAC (1)
Ryotaro Matsuo, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Probabilistic Interest Packet Aggregation for Content-Centric Networking.
COMPSAC (2)
Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Solution for Minimum Link Flow Problem with Sparse Modeling.
COMPSAC (1)
Ryotaro Matsuo, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Study on Comparative Analysis of End-to-End Routing and Opportunistic Routing.
COMPSAC (1)
Chuta Minamiguchi, Natsuko Kawabata, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Study on Emulating Automotive IP Networks Using Network Virtualization.
COMPSAC (1)
Ryuichiro Maegawa, Ryo Nakamura, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2018 — conf
A Study on Robustness of Complex Networks Against Random Node Removals.
COMPSAC (1)
Kazuyuki Yamashita, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Study on Sparse-Modeling Based Approach for Betweenness Centrality Estimation.
COMPSAC (1)
Ryotaro Matsuo, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
A Study on the Impact of Delayed Packet Forwarding in Content-Centric Networking.
COMPSAC (1)
Yuichi Yasuda, Ryo Nakamura, Hiroyuki Ohsaki
2018 — conf
Analysis of message delivery delay in large-scale geographic DTN routing.
ICOIN
Sumika Nishikawa, Daiki Matsui, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2018 J jnl
Biologically inspired modelling of smart grid for dynamic power-flow control under power failure.
Int. J. Auton. Adapt. Commun. Syst.
Hidefumi Sawai, Hideaki Suzuki, Hiroyuki Ohsaki
2018 — conf
Message from the IWFIT 2018 Workshop Organizers.
COMPSAC (2)
Hiroyuki Ohsaki, Yasuo Okabe, Koji Okamura
2018 J jnl
Performance Analysis of Content-Centric Networking on an Arbitrary Network Topology.
IEICE Trans. Commun.
Ryo Nakamura, Hiroyuki Ohsaki
2017 — conf
A Fluid-Based Model of a Transport Protocol in Content-Centric Networking.
COMPSAC (1)
Tsuyoshi Yabuuchi, Ryo Nakamura, Hiroyuki Ohsaki
2017 — conf
Analysis of Geographic DTN Routing under Random Walk Mobility Model.
COMPSAC (1)
Daiki Matsui, Ryo Hagihara, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2017 — conf
First Meeting Time Formula of Two Random Walkers toward Understanding Epidemic Information Dissemination.
COMPSAC (2)
Yusuke Sakumoto, Hiroyuki Ohsaki
2017 — conf
Interest ACK: A Fast Packet Loss Detection Mechanism for Content-Centric Networking.
COMPSAC (2)
Tsuyoshi Yabuuchi, Ryo Nakamura, Hiroyuki Ohsaki
2017 — conf
On Message Delivery Delay of Epidemic DTN Routing with Broadcasting ACKs.
COMPSAC (1)
Natsuko Kawabata, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2017 — conf
On delivery control for floating contents sharing with epidemic broadcasting.
CCNC
Ryo Hagihara, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2017 — conf
On the Effect of Scale-Free Structure of Network Topology on Performance of Content-Centric Networking.
COMPSAC (1)
Ryo Nakamura, Hiroyuki Ohsaki
2017 B conf
On the Robustness of Influence Maximization Algorithms against Non-Adversarial Perturbations.
ASONAM
Sho Tsugawa, Hiroyuki Ohsaki
2017 — conf
On the effect of wireless communication range heterogeneity on WSN performance.
ICOIN
Shota Agemura, Kei Katayama, Hiroyuki Ohsaki
2017 — conf
On the effectiveness of random jumps in an influence maximization algorithm for unknown graphs.
ICOIN
Shodai Mihara, Sho Tsugawa, Hiroyuki Ohsaki
2017 J jnl
On the relation between message sentiment and its virality on social media.
Soc. Netw. Anal. Min.
Sho Tsugawa, Hiroyuki Ohsaki
2017 — conf
Performance evaluation and improvement of large-scale Content-Centric Networking.
ICOIN
Ryo Nakamura, Hiroyuki Ohsaki
2016 B conf
Analysis of Message Delivery Delay in Geographic DTN Routing.
COMPSAC
Daiki Matsui, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2016 J jnl
Fluid-Based Analysis for Understanding TCP Performance on Scale-Free Structure.
J. Inf. Process.
Yusuke Sakumoto, Hiroyuki Ohsaki
2016 B conf
Improving Reliable Transmission Throughput with Systematic Random Code.
LCN
Zan-Kai Chong, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng, Bok-Min Goi, Hong-Tat Ewe, Sin-Ran Chong
2016 B conf
Message from the Doctoral Symposium Co-Chairs.
COMPSAC
Mohammad Adibuzzaman, Hiroyuki Ohsaki, Satish Puri, Qinghua Lu
2016 J jnl
On Spatio-Temporal Message Diffusion in Epidemic Broadcasting.
Ad Hoc Sens. Wirel. Networks
Kohei Watabe, Hiroyuki Ohsaki
2016 — conf
On the Impact of Cut-Through Links in Epidemic Broadcasting.
COMPSAC Workshops
Hiroyuki Ohsaki, Yasuhiro Yamasaki
2016 B conf
Performance Comparison of Shortest-Path Routing and Optimal Detour Routing in Content-Centric Networking.
COMPSAC
Ryo Nakamura, Hiroyuki Ohsaki
2015 B conf
A Distributed Flow Control with Backward Propagation.
COMPSAC
Kohei Tsutsumi, Hiroyuki Ohsaki, Hideaki Suzuki
2015 — conf
Analysis of the Robustness of Degree Centrality against Random Errors in Graphs.
CompleNet
Sho Tsugawa, Hiroyuki Ohsaki
2015 J jnl
Community Structure and Interaction Locality in Social Networks.
J. Inf. Process.
Sho Tsugawa, Hiroyuki Ohsaki
2015 J jnl
Contact Duration-Aware Epidemic Broadcasting in Delay/Disruption-Tolerant Networks.
IEICE Trans. Commun.
Kohei Watabe, Hiroyuki Ohsaki
2015 J jnl
Improving the probability of complete decoding of random code by trading-off computational complexity.
IET Commun.
Zan-Kai Chong, Bok-Min Goi, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng, Hong-Tat Ewe
2015 B conf
Influence Maximization Problem for Unknown Social Networks.
ASONAM
Shodai Mihara, Sho Tsugawa, Hiroyuki Ohsaki
2015 — conf
Negative Messages Spread Rapidly and Widely on Social Media.
COSN
Sho Tsugawa, Hiroyuki Ohsaki
2015 — conf
On Estimating Message Diffusion Dynamics in Epidemic Broadcasting.
COMPSAC Workshops
Yuta Hashimoto, Hiroyuki Ohsaki
2015 — conf
On the Impact of Scale-Free Structure on End-to-End TCP Performance.
COMPSAC Workshops
Yusuke Sakumoto, Hiroyuki Ohsaki
2015 J jnl
On the robustness of centrality measures against link weight quantization in social networks.
Comput. Math. Organ. Theory
Sho Tsugawa, Yukihiro Matsumoto, Hiroyuki Ohsaki
2015 — conf
Performance Comparison of Geographic DTN Routing Algorithms.
COMPSAC Workshops
Misako Seki, Kazumine Ogura, Yasuhiro Yamasaki, Hiroyuki Ohsaki
2015 — conf
Performance Comparison of IP and CCN as a Communication Infrastructure for Smart Grid.
COMPSAC Workshops
Hiroyuki Ohsaki, Yoichi Nakamoto, Nobuhiro Yokoi, Hirotaka Moribe
2015 — conf
Performance Evaluation of an Open-Source Implementation of Content-Centric Networking.
COMPSAC Workshops
Ryo Nakamura, Hiroyuki Ohsaki
2015 A* conf
Recognizing Depression from Twitter Activity.
CHI
Sho Tsugawa, Yusuke Kikuchi, Fumio Kishino, Kosuke Nakajima, Yuichi Itoh, Hiroyuki Ohsaki
2015 J jnl
Systematic rateless erasure code for short messages transmission.
Comput. Electr. Eng.
Zan-Kai Chong, Bok-Min Goi, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng, Hong-Tat Ewe
2014 B conf
A Distributed Flow Control with Backward Propagation: Algorithm and Preliminary Performance Evaluation.
COMPSAC
Kohei Tsutsumi, Hiroyuki Ohsaki, Hideaki Suzuki
2014 J jnl
Analysis of Blacklist Update Frequency for Countering Malware Attacks on Websites.
IEICE Trans. Commun.
Takeshi Yagi, Junichi Murayama, Takeo Hariu, Sho Tsugawa, Hiroyuki Ohsaki, Masayuki Murata
2014 B conf
Emergence of Fractals in Social Networks: Analysis of Community Structure and Interaction Locality.
COMPSAC
Sho Tsugawa, Hiroyuki Ohsaki
2014 B conf
Exploratory Performance Analysis of Microbot Swarm in Three-Dimensional Field.
COMPSAC
Shota Agemura, Hiroyuki Ohsaki
2014 J jnl
Virtual Content-Centric Networking.
J. Networks
Keiichiro Tsukamoto, Masato Ohtani, Yuki Koizumi, Hiroyuki Ohsaki, Kunio Hato, Junichi Murayama
2013 J jnl
A Method for Accelerating Flow-level Network Simulation with Low-pass Filtering of Fluid Models.
Inf. Media Technol.
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2013 J jnl
A Method for Accelerating Flow-level Network Simulation with Low-pass Filtering of Fluid Models.
J. Inf. Process.
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2013 — conf
An epidemic broadcasting mechanism in delay/disruption-tolerant networks utilizing contact duration distribution.
WMNC
Kosuke Matsuda, Kohei Watabe, Hiroyuki Ohsaki
2013 J jnl
Automatic Parallelism Tuning Mechanism for Heterogeneous IP-SAN Protocols in Long-fat Networks.
Inf. Media Technol.
Takamichi Nishijima, Hiroyuki Ohsaki, Makoto Imase
2013 J jnl
Automatic Parallelism Tuning Mechanism for Heterogeneous IP-SAN Protocols in Long-fat Networks.
J. Inf. Process.
Takamichi Nishijima, Hiroyuki Ohsaki, Makoto Imase
2013 — conf
Characteristics of magnetic probes for identifying sentinel lymph nodes.
EMBC
Tetsu Ookubo, Yusuke Inoue, Dongmin Kim, Hiroyuki Ohsaki, Yusuke Mashiko, Moriaki Kusakabe, Masaki Sekino
2013 — conf
Effect of locality of node mobility on epidemic broadcasting in DTNs.
WMNC
Kohei Watabe, Hiroyuki Ohsaki
2013 J jnl
Evaluations and Analysis of Malware Prevention Methods on Websites.
IEICE Trans. Commun.
Takeshi Yagi, Junichi Murayama, Takeo Hariu, Hiroyuki Ohsaki
2013 J jnl
Inferring relevant blocks on hyperlinked web page based on block-to-block similarity.
Int. J. Knowl. Web Intell.
Keiichiro Tsukamoto, Yuki Koizumi, Hiroyuki Ohsaki, Kunio Hato, Junichi Murayama
2013 A* conf
On estimating depressive tendencies of Twitter users utilizing their tweet data.
VR
Sho Tsugawa, Yukiko Mogi, Yusuke Kikuchi, Fumio Kishino, Kazuyuki Fujita, Yuichi Itoh, Hiroyuki Ohsaki
2013 J jnl
On the Effectiveness of Epidemic Broadcast with Directional Transmission in Vehicular Ad-Hoc Networks.
J. Commun.
Yusuke Sakumoto, Shinpei Kuribayashi, Hiroyuki Ohsaki, Satoshi Hasegawa, Makoto Imase
2013 A* conf
On the robustness of centrality measures against link weight quantization in real weighted social networks.
VR
Masanori Ishino, Sho Tsugawa, Hiroyuki Ohsaki
2013 — conf
Performance Evaluation of Cloud-Based Parallel Computing.
COMPSAC Workshops
Yuto Nakai, Dimitri Perrin, Hiroyuki Ohsaki, Ray Walshe
2013 — conf
PetaFlow - An Example of Communication and Computational Technologies with Social Impact.
COMPSAC Workshops
Alexandre Ancel, Ingo Assenmacher, Ken-ichi Baba, Julien Cisonni, Yo Fujiso, Paulo Gonçalves, Matthieu Imbert, Koji Koyamada, P. Neyron, Kazunori Nozaki, Hiroyuki Ohsaki, Anne-Cécile Orgerie, Xavier Pelorson, Bruno Raffin, Naohisa Sakamoto, Eisaku Sakane, Shinji Shimojo, Annemie Van Hirtum, Shigeo Wada
2013 J jnl
Stepping-Random Code: A Rateless Erasure Code for Short-Length Messages.
IEICE Trans. Commun.
Zan-Kai Chong, Bok-Min Goi, Hiroyuki Ohsaki, Cheng-Kuan Bryan Ng, Hong-Tat Ewe
2013 — conf
VCCN: Virtual content-centric networking for realizing group-based communication.
ICC
Masato Ohtani, Keiichiro Tsukamoto, Yuki Koizumi, Hiroyuki Ohsaki, Makoto Imase, Kunio Hato, Junichi Murayama
2012 — conf
Accelerating Flow-Level Network Simulation with Low-Pass Filtering of Fluid Models.
SAINT
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2012 A* conf
Ambient Suite: Room-shaped information environment for interpersonal communication.
VR
Kazuyuki Fujita, Yuichi Itoh, Hiroyuki Ohsaki, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima, Sho Tsugawa, Kosuke Nakajima, Yusuke Hayashi, Fumio Kishino
2012 — conf
Decentralised Communication in Autonomous Agent Swarms.
AINA Workshops
Dimitri Perrin, Hiroyuki Ohsaki
2012 J jnl
Estimating Message Importance Using Inferred Inter-recipient Trust for Supporting Email Triage.
Inf. Media Technol.
Sho Tsugawa, Hiroyuki Ohsaki, Makoto Imase
2012 J jnl
Estimating Message Importance Using Inferred Inter-recipient Trust for Supporting Email Triage.
J. Inf. Process.
Sho Tsugawa, Hiroyuki Ohsaki, Makoto Imase
2012 — conf
Gradient-based routing in Delay Tolerant Mobile Sensor Networks incorporating node mobility.
CCNC
Hideyuki Kanai, Yuki Koizumi, Hiroyuki Ohsaki, Makoto Imase
2012 — conf
Impact of Mobility Constraints on Epidemic Broadcast Mechanisms in Delay-Tolerant Networks.
AINA Workshops
Hiroyuki Ohsaki, Yosuke Yamada, Dimitri Perrin, Makoto Imase
2012 C conf
Impact of mobility and topology on information diffusion in MANETs.
ISCC
Dimitri Perrin, Hiroyuki Ohsaki
2012 — conf
Lightweight Distributed Method for Connectivity-based Clustering Based on Schelling's Model.
AINA Workshops
Sho Tsugawa, Hiroyuki Ohsaki, Makoto Imase
2012 J jnl
Lightweight and Distributed Connectivity-Based Clustering Derived from Schelling's Model.
IEICE Trans. Commun.
Sho Tsugawa, Hiroyuki Ohsaki, Makoto Imase
2012 — conf
On the gradient formation incorporating node movement for gradient-based routing in Delay Tolerant Mobile Sensor Networks.
SCIS&ISIS
Yuki Koizumi, Hideyuki Kanai, Hiroyuki Ohsaki, Makoto Imase
2012 B conf
On the integrated control of virtual machine live migration and traffic engineering for cloud computing.
GLOBECOM
Hirofumi Ichihara, Yuki Koizumi, Hiroyuki Ohsaki, Kunio Hato, Junichi Murayama, Makoto Imase
2012 — conf
Performance Analysis of Fountain-Based Protocol in CSMA/CA Wireless Networks.
SAINT
Zan-Kai Chong, Hiroyuki Ohsaki, Bok-Min Goi, Hong-Tat Ewe, Cheng-Kuan Bryan Ng
2012 J jnl
Performance of Thorup's Shortest Path Algorithm for Large-Scale Network Simulation.
IEICE Trans. Commun.
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2012 — conf
Strategic Optimization of Computation Nodes Allocation in a Coupled Simulation: Computational Fluid Dyanmics and Aero Acoustic Simulations.
SAINT
Kazunori Nozaki, Hiroyuki Ohsaki, Masao Tanaka, Annemie Van Hirtum, Eisaku Sakane
2012 A* conf
Toward large-scale and dynamic social network analysis with heterogeneous sensors in ambient environment.
VR
Sho Tsugawa, Hiroyuki Ohsaki, Yuichi Itoh, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima, Makoto Imase
2011 — conf
Ambient Suite: enhancing communication among multiple participants.
Advances in Computer Entertainment Technology
Kazuyuki Fujita, Yuichi Itoh, Hiroyuki Ohsaki, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima, Sho Tsugawa, Kosuke Nakajima, Yusuke Hayashi, Fumio Kishino
2011 — conf
Fabrication of a prototype magnetic stimulator equipped with eccentric spiral coils.
EMBC
Takuya Kato, Masaki Sekino, Taiga Matsuzaki, Atsushi Nishikawa, Youichi Saitoh, Hiroyuki Ohsaki
2011 — conf
Fluid-Based Analysis of TCP Flows in a Scale-Free Network.
SAINT
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2011 — conf
Performance Evaluation of Epidemic Broadcast with Directional Antennas in Vehicular Ad-Hoc Networks.
SAINT
Shinpei Kuribayashi, Yusuke Sakumoto, Hiroyuki Ohsaki, Satoshi Hasegawa, Makoto Imase
2011 — conf
Peta-Flow Computing: Vision and Challenges.
SAINT
Hiroyuki Ohsaki, Kazunori Nozaki, Ken-ichi Baba, Eisaku Sakane, Naohisa Sakamoto, Koji Koyamada, Shinji Shimojo
2011 — conf
Quasi-realtime social network construction with heterogeneous sensors in ambient environment.
Advances in Computer Entertainment Technology
Sho Tsugawa, Hiroyuki Ohsaki, Yuichi Itoh, Naoaki Ono, Keiichiro Kagawa, Kazuki Takashima, Makoto Imase
2010 C conf
A Network-Based Computational Model with Learning.
UC
Hideaki Suzuki, Hiroyuki Ohsaki, Hidefumi Sawai
2010 — conf
Algorithmically Transitive Network: A Self-organizing Data-Flow Network with Learning.
BIONETICS
Hideaki Suzuki, Hiroyuki Ohsaki, Hidefumi Sawai
2010 — conf
Biologically Inspired Modeling of Smart Grid for Dynamic Power-Flow Control.
BIONETICS
Hidefumi Sawai, Hideaki Suzuki, Hiroyuki Ohsaki
2010 J jnl
Improving Robustness of XCP (eXplicit Control Protocol) for Dynamic Traffic.
IEICE Trans. Commun.
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2010 — conf
Internet as a Dataflow Computer.
BIONETICS
Hiroyuki Ohsaki, Hideaki Suzuki, Hidefumi Sawai
2010 — conf
On the Effectiveness of Thorup's Shortest Path Algorithm for Large-Scale Network Simulation.
SAINT
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2010 — conf
Performance Evaluation of Block Device Layer with Automatic Parallelism Tuning Using Heterogeneous IP-SAN Protocols.
SAINT
Takamichi Nishijima, Hiroyuki Ohsaki, Yoshihiro Nomoto, Makoto Imase
2010 — conf
Petaflow - A Project Towards Information and Communication Technologies in Society.
SAINT
Paulo Gonçalves, Xavier Grandchamp, Xavier Pelorson, Bruno Raffin, Annemie Van Hirtum, Pascale Vicat-Blanc, Ken-ichi Baba, Julien Cisonni, Yasuo Ebara, Kazunori Nozaki, Hiroyuki Ohsaki, Shigeo Wada, Takuma Kawamura, Koji Koyamada, Eisaku Sakane, Naohisa Sakamoto, Shinji Shimojo
2010 — conf
Robust Estimation of Message Importance Using Inferred Inter-recipient Trust for Supporting Email Triage.
SAINT
Sho Tsugawa, Kazuya Takahashi, Hiroyuki Ohsaki, Makoto Imase
2009 J jnl
Delay Performance Analysis on Ad-Hoc Delay Tolerant Broadcast Network Applied to Vehicle-to-Vehicle Communication.
IEICE Trans. Commun.
Satoshi Hasegawa, Yusuke Sakumoto, Mirai Wakabayashi, Hiroyuki Ohsaki, Makoto Imase
2009 — conf
Design and Implementation of Flow-Level Simulator for a Network with Heterogeneous Flows.
SAINT
Takeaki Nishioka, Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2009 — conf
Dynamic Topology Reconfiguration Method for Service Overlay Networks Using Users' Community Information.
SAINT
Tomoyasu Ogasa, Yousuke Takahashi, Hiroyuki Ohsaki, Takeshi Yagi, Junichi Murayama, Makoto Imase
2009 J jnl
Estimating Node Characteristics from Topological Structure of Social Networks.
IEICE Trans. Commun.
Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase
2009 — conf
On Maximizing IP-SAN Throughput over TCP Connections with Automatic Parallelism Tuning for Long-Fat Networks.
SAINT
Takamichi Nishijima, Fumito Inoue, Hiroyuki Ohsaki, Yoshihiro Nomoto, Makoto Imase
2009 — conf
Performance Evaluation of Broadcast Communication Protocol DSCF (Directional Store-Carry-Forward) for VANETs with Two-Dimensional Road Model.
ISPAN
Shinpei Kuribayashi, Yusuke Sakumoto, Satoshi Hasegawa, Hiroyuki Ohsaki, Makoto Imase
2009 J jnl
Stability Analysis of XCP (eXplicit Control Protocol) with Heterogeneous Flows.
IEICE Trans. Commun.
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2008 J jnl
GridFTP-APT: Automatic Parallelism Tuning Mechanism for GridFTP in Long-Fat Networks.
IEICE Trans. Commun.
Takeshi Ito, Hiroyuki Ohsaki, Makoto Imase
2008 B conf
Group-Oriented Communication: Concept and Network Architecture.
ICCCN
Yousuke Takahashi, Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase, Takeshi Yagi, Junichi Murayama
2008 — conf
NMF: Network Mining Framework Using Topological Structure of Complex Networks.
SERVICES II
Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase, Takeshi Yagi, Junichi Murayama
2007 B conf
Design and Implementation of Flow-Level Simulator for Performance Evaluation of Large Scale Networks.
MASCOTS
Yusuke Sakumoto, Ryouta Asai, Hiroyuki Ohsaki, Makoto Imase
2007 B conf
Increasing Robustness of XCP (eXplicitControl Protocol) for Dynamic Traffic.
GLOBECOM
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2007 C conf
On XCP Stability in a Heterogeneous Network.
ISCC
Yusuke Sakumoto, Hiroyuki Ohsaki, Makoto Imase
2007 — conf
On the Effect of Scale-Free Structure of Network Topology on End-to-End Performance.
SAINT
Hiroyuki Ohsaki, Koutaro Yagi, Makoto Imase
2007 — conf
Ring-Based Virtual Private Network Supporting a Large Number of VPNs.
ICN
Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Kazuhiro Matsuda
2007 — conf
SPRED: Active Queue Management Mechanism for Wide-Area Networks.
SAINT
Hiroyuki Ohsaki, Hideyuki Yamamoto, Makoto Imase
2006 — conf
Automatic Parameter Configuration Mechanism for Data Transfer Protocol GridFTP.
SAINT
Takeshi Ito, Hiroyuki Ohsaki, Makoto Imase
2006 — conf
FI-RED: AQM Mechanism for Improving Fairness among TCP Connections in Tandem Networks.
SAINT
Hiroyuki Ohsaki, Tomoya Eguchi, Masayuki Murata
2006 — conf
Fluid-Based Analysis of a Network with DCCP Connections and RED Routers.
SAINT
Hiroyuki Hisamatsu, Hiroyuki Ohsaki, Masayuki Murata
2006 B conf
GridFTP-APT: Automatic Parallelism Tuning Mechanism for Data Transfer Protocol GridFTP.
CCGRID
Takeshi Ito, Hiroyuki Ohsaki, Makoto Imase
2006 B conf
Quasi-Dynamic Network Model Partition Method for Accelerating Parallel Network Simulation.
MASCOTS
Hiroyuki Ohsaki, Gomez Oscar, Makoto Imase
2006 — conf
Scalable IP-VPN Flow Control Mechanism Supporting Arbitrary Fairness Criteria - Part 2: Simulation and Implementation.
ICC
Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Junichi Murayama, Kazuhiro Matsuda
2005 — conf
A Prototype Implementation of VPN Enabling User-based Multiple Association.
IMSA
Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Yoshihiro Hara, Masahiro Maruyoshi, Kazuhiro Matsuda
2005 — conf
On Network Model Division Method Based on Link-to-Link Traffic Intensity for Accelarating Parallel Distributed Simulation.
ICN (1)
Hiroyuki Ohsaki, Shinpei Yoshida, Makoto Imase
2005 — conf
On Scalable Modeling of TCP Congestion Control Mechanism for Large-Scale IP Networks.
SAINT
Hiroyuki Ohsaki, Juñya Ujiie, Makoto Imase
2005 C conf
On dynamic resource management mechanism using control theoretic approach for wide-area grid computing.
CCA
Hiroyuki Ohsaki, Soushi Watanabe, Makoto Imase
2005 B conf
Scalable IP-VPN flow control mechanism supporting arbitrary fairness criteria. Part 1. Architecture design.
ICCCN
Osamu Honda, Hiroyuki Ohsaki, Makoto Imase, Junichi Murayama, Kazuhiro Matsuda
2005 J jnl
Steady state and transient state behaviours analyses of TCP connections considering interactions between TCP connections and network.
Int. J. Commun. Syst.
Hiroyuki Hisamatsu, Hiroyuki Ohsaki, Masayuki Murata
2004 — conf
On Layered VPN Architecture for Enabling User-Based Multiply Associated VPNs.
ICOIN
Yoshihiro Hara, Hiroyuki Ohsaki, Makoto Imase, Yoshitake Tajima, Masahiro Maruyoshi, Junichi Murayama
2004 — conf
On Modeling GridFTP Using Fluid-Flow Approximation for High Speed Grid Networking.
SAINT Workshops
Hiroyuki Ohsaki, Makoto Imase
2003 — conf
Design and Implementation of Real-Time Digital Video Streaming System over IPv6 Network using Feedback Control.
SAINT
Kazunori Ueda, Hiroyuki Ohsaki, Shinji Shimojo, Hideo Miyahara
2003 — conf
On Control Parameters Tuning for Active Queue Management Mechanisms using Multivariate Analysis.
SAINT
Tomoya Eguchi, Hiroyuki Ohsaki, Masayuki Murata
2003 — conf
Steady State and Transient Behavior Analyses of TCP Connections considering Interactions between TCP connections and Network.
SAINT
Hisamatu Hiroyuki, Hiroyuki Ohsaki, Masayuki Murata
2002 — conf
Analyzing the Impact of TCP Connections Variation on Transient Behavior of RED Gateway.
ICOIN (1)
Motohisa Kisimoto, Hiroyuki Ohsaki, Masayuki Murata
2002 B conf
Measurement-Based Modeling of Internet Round-Trip Time Dynamics Using System Identification.
NETWORKING
Hiroyuki Ohsaki, Mitsushige Morita, Masayuki Murata
2002 — conf
On Modeling Round-Trip Time Dynamics of the Internet Using System Identification.
ICOIN (1)
Hiroyuki Ohsaki, Mitsushige Morita, Masayuki Murata
2001 — conf
Analysis of a window-based flow control mechanism based on TCP Vegas in heterogeneous network environment.
ICC
Keiichi Takagaki, Hiroyuki Ohsaki, Masayuki Murata
1998 J jnl
Parameter tuning of rate-based congestion control algorithm for ABR service class in ATM networks.
Int. J. Commun. Syst.
Hiroyuki Ohsaki, Masayuki Murata, Hideo Miyahara
1997 — conf
Designing Efficient Explicit-Rate Switch Algorithm with Max-Min Fairness for ABR Service Class in ATM Networks.
ICC (1)
Hiroyuki Ohsaki, Masayuki Murata, Hideo Miyahara
1997 J jnl
Performance of an input/output buffered-type ATM LAN switch with back-pressure function.
IEEE/ACM Trans. Netw.
Hiroyuki Ohsaki, Naoki Wakamiya, Masayuki Murata, Hideo Miyahara
1995 — conf
Performance of an ATM LAN switch with back-pressure function.
Data Communications and their Performance
Hiroyuki Ohsaki, Naoki Wakamiya, Masayuki Murata, Hideo Miyahara
1995 J jnl
Rate-based congestion control for ATM networks.
Comput. Commun. Rev.
Hiroyuki Ohsaki, Masayuki Murata, Hiroshi Suzuki, Chinatsu Ikeda, Hideo Miyahara