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Overlay networkResearch on techniques of autonomous distributed systems where a large number of computers cooperate with each other.
[Keywords] Skip Graph, Flexible Routing Tables, Range query, Partial match query, etc.
Publish/Subscribe messagingPublish/Subscribe model is a communication pattern where senders and receivers are loosely-coupled. Our research mainly focuses on the scalability of the broker.
[Keywords] MQTT, Topic-based Pub/Sub, SDN (OpenFlow), Edge computing, etc.
IoTResearch on developing platforms to provide various services by connected things.
[Keywords] Industrial IoT, oneM2M, Network-based BMI, Wearable sensor, etc.
BlockchainBlockchain is a fundamental technique for cryptocurrencies such as Bitcoin. Our research mainly focuses on its network structure.
[Keywords] SimBlock, Relay network, etc.
We developed a Blockchain network simulator SimBlock.
News release: Tokyo Tech, 27th June, 2019.
Related articles: IEEE Spectrum, etc.
Web miningResearch on analyzing data obtained from Social Networking Services (SNSs).
[Keywords] Emotion estimation, Similarity estimation, etc.