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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 31  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, IN
(Joint)
2024-03-01
09:20
Okinawa Okinawa Convention Center Stochastic process of broadcast communications between validator nodes in Byzantine Fault Tolerant Consensus Blockchains
Akihiro Fujihara (CIT) IN2023-82
Some BlockChains (BCs) adopt distributed consensus algorithm with Byzantine fault tolerance.
Not only in consortium BCs... [more]
IN2023-82
pp.101-106
NS, IN
(Joint)
2024-03-01
13:00
Okinawa Okinawa Convention Center Experimental comparison of Multi-hop channels and Relayer Aggrigation in inter-blockchain communication time
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2023-220
When exchanging information across multiple blockchains (BCs) using Cosmos IBCs, it is necessary to perform IBCs for eac... [more] NS2023-220
pp.282-287
ICM, NS, CQ, NV
(Joint)
2023-11-21
14:05
Ehime Ehime Prefecture Gender Equality Center
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Introducing the latest research trends in blockchain interoperability technology
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2023-116
In 2008, Bitcoin was proposed by a group
or individual calling himself Satoshi Nakamoto.
The BC mechanism, which is p... [more]
NS2023-116
pp.32-37
IN, NS
(Joint)
2023-03-03
11:20
Okinawa Okinawa Convention Centre + Online
(Primary: On-site, Secondary: Online)
Implementing Factcheck Registry using Bitcoin
Masaki Sakurai, Akihiro Fujihara (CIT) IN2022-108
In recent years, the spread of false information and misinformation through SNS and information media has become a probl... [more] IN2022-108
pp.253-258
IN, NS
(Joint)
2023-03-03
13:30
Okinawa Okinawa Convention Centre + Online
(Primary: On-site, Secondary: Online)
Proposing Factcheck DAO
Ryosuke Nakazawa, Akihiro Fujihara (CIT) IN2022-115
The rapid spread of the Internet in recent years has made it possible for anyone to freely express their opinions, but a... [more] IN2022-115
pp.293-298
IN, NS
(Joint)
2023-03-03
14:10
Okinawa Okinawa Convention Centre + Online
(Primary: On-site, Secondary: Online)
Considering Safety and Security in Chainless Multi-Layer Consensus
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2022-240
The diversification of crypto assets in recent years has increased the demand for decentralized finance. In order to rea... [more] NS2022-240
pp.418-423
NS, ICM, CQ, NV
(Joint)
2022-11-24
17:40
Fukuoka Humanities and Social Sciences Center, Fukuoka Univ. + Online
(Primary: On-site, Secondary: Online)
Experiment Evaluation of Latency Time in Chainless Multi-Layer Consensus
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2022-115
Since Bitcoin appeared, a wide variety of blockchain (BC) has been proposed. As a result, the demand for exchanging cryp... [more] NS2022-115
pp.85-90
NS 2022-05-13
09:50
Kyoto Rakuyu Kaikan, Kyoto Univ. + Online
(Primary: On-site, Secondary: Online)
Proposing Federated Consensus and its Performance Evaluation Experiment with Many Nodes
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2022-15
Public blockchains have an extremely slow transaction processing capacity,
which is known as the blockchain scalability... [more]
NS2022-15
pp.34-39
IN, NS
(Joint)
2021-03-04
11:40
Online Online Bitcoin Scaling Test Network Performance Evaluation Experiment
Akihiro Fujihara (CIT) IN2020-69
Bitcoin Scaling Test Network (STN) is an experimental network to solve the
scalability problem of Bitcoin by using on-... [more]
IN2020-69
pp.91-96
IN, NS
(Joint)
2021-03-05
09:50
Online Online Performance evaluation of traffic vehicle group guidance method based on proximity information sharing -- Impact of percentage of proximity information sharing vehicles --
Shogo Amita, Akihiro Fujihara (Chiba Inst. Tech.) IN2020-72
A route guidance method has been proposed in which each evacuee autonomously collects
information on roads that are im... [more]
IN2020-72
pp.108-113
IN, NS
(Joint)
2021-03-05
09:10
Online Online Experimental performance evaluation on avoidance of blockchain oracle problem using collective intelligence
Yutaka Kato, Akihiro Fujihara (CIT) IN2020-74
Bitcoin-type blockchains have a problem called oracle problem, where blockchains themselves cannot prove the authenticit... [more] IN2020-74
pp.120-125
NS, IN
(Joint)
2020-03-06
11:20
Okinawa Royal Hotel Okinawa Zanpa-Misaki
(Cancelled but technical report was issued)
Considering a human mobility model inspired by reinforcement learning
Yuutaro Iwai, Akihiro Fujihara (CIT) IN2019-118
Reinforcement learning is a machine learning framework that
an agent repeatedly observes reward from environment as a ... [more]
IN2019-118
pp.237-242
NS, IN
(Joint)
2020-03-06
14:30
Okinawa Royal Hotel Okinawa Zanpa-Misaki
(Cancelled but technical report was issued)
Experimental performance evaluation of cross-referencing method for multiple blockchains
Takaaki Yanagihara, Akihiro Fujihara (CIT) IN2019-139
In this study, we propose a cross-referencing method that
multiple domains manage their own blockchain and they period... [more]
IN2019-139
pp.363-368
IN, NS
(Joint)
2019-03-04
11:10
Okinawa Okinawa Convention Center A proposal of mobile crowdsensing application using blockchain technology
Akihiro Fujihara (CIT) IN2018-96
Mobile crowdsensing is a method to collectively gather and share
local data with the help of a large number of anonymo... [more]
IN2018-96
pp.73-78
NS, IN
(Joint)
2018-03-01
11:30
Miyazaki Phoenix Seagaia Resort Model for generation of social network considering human mobility
Naoto Fukae (Kwansei Gakuin Univ.), Akihiro Fujihara (Chiba Institute of Tech.), Hiroyoshi Miwa (Kwansei Gakuin Univ.) IN2017-104
 [more] IN2017-104
pp.87-92
NS, IN
(Joint)
2018-03-02
15:00
Miyazaki Phoenix Seagaia Resort Proposing distributed traffic information system using blockchain technology
Akihiro Fujihara (CIT) IN2017-138
In recent years, blockchain technologies have been attracting
attention as a highly reliable data structure with resist... [more]
IN2017-138
pp.291-296
NS, IN
(Joint)
2017-03-03
11:20
Okinawa OKINAWA ZANPAMISAKI ROYAL HOTEL Spatial pattern analysis using chromatic network motif
Jinattaporn Khumsri, Akihiro Fujihara (FUT) IN2016-144
There are two famous supermarkets in Thailand: Big C and Lotus. They are the highest competitive supermarkets whose hold... [more] IN2016-144
pp.281-286
NS, IN
(Joint)
2017-03-03
14:00
Okinawa OKINAWA ZANPAMISAKI ROYAL HOTEL Effects of methods for generating people flow data on epidemic routing
Yusuke Sakai, Akihiro Fujihara (FUT) IN2016-167
People Flow Project by Center for Spatial Information Science in the University of Tokyo provides people flow data creat... [more] IN2016-167
pp.419-424
NS, IN
(Joint)
2016-03-04
09:30
Miyazaki Phoenix Seagaia Resort Estimating a proper communication distance in epidemic routing using people flow data
Akihiro Fujihara (Fukui Univ. Tech.) IN2015-124
In recent years, Proximity-based Services have been attracted attention as
information-communication networking withou... [more]
IN2015-124
pp.95-100
NS, IN
(Joint)
2015-03-03
11:30
Okinawa Okinawa Convention Center A system for detecting moving direction with iBeacon
Takuma Yanagizawa, Akihiro Fujihara (Fukui Univ. of Tech.) IN2014-148
For the recent explosive spread of smartphones in the world, the possibility
of novel services using smartphone has be... [more]
IN2014-148
pp.163-168
 Results 1 - 20 of 31  /  [Next]  
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