Tatsuhiro Sakai

18 papers B 4C 4Journal 1Unranked 9
YearRankTypeTitle / Venue / Authors
2020 — conf
Analyzing Geo-tagged Tweets about COVID-19 in Japan using MACD-Histogram-based Burst Detection.
IIAI-AAI
Tatsuhiro Sakai, Keiichi Tamura
2020 — conf
Anytime Algorithm for Cell-based DBSCAN by Connecting Randomly Selected Cells.
IIAI-AAI
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami, Toshiyuki Takezawa
2018 B conf
Classifying Sightseeing Tweets Using Convolutional Neural Networks with Multi-channel Distributed Representation.
SMC
Shuichi Hashida, Keiichi Tamura, Tatsuhiro Sakai
2018 — conf
Density-based Multimodal Spatial Clustering using Pre-trained Deep Network for Extracting Local Topics.
GeoRich@SIGMOD
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami, Toshiyuki Takezawa
2017 J jnl
Adaptive distributed modified extremal optimisation for maximising contact map overlap and its performance evaluation.
Int. J. Comput. Intell. Stud.
Keiichi Tamura, Hajime Kitakami, Tatsuhiro Sakai
2017 — conf
Cell-Based DBSCAN Algorithm Using Minimum Bounding Rectangle Criteria.
DASFAA Workshops
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami
2017 C conf
Photo image classification using pre-trained deep network for density-based spatiotemporal analysis system.
IWCIA
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakampd, Toshiyuki Takezawa
2016 C conf
Contact map overlap maximization using adaptive distributed modified extremal optimization.
IWCIA
Keiichi Tamura, Hajime Kitakami, Tatsuhiro Sakai
2016 — conf
Location-Based Temporal Burst Detection Using Outlier Factors in Geo-Tagged Tweets.
IIAI-AAI
Keiichi Tamura, Tatsuhiro Sakai, Hajime Kitakami
2016 B conf
Time series classification using MACD-Histogram-based SAX and its performance evaluation.
SMC
Keiichi Tamura, Tatsuhiro Sakai, Takumi Ichimura
2015 C conf
A new distributed modified extremal optimization for optimizing protein structure alignment.
IWCIA
Keiichi Tamura, Hajime Kitakami, Tatsuhiro Sakai, Yoshifumi Takahashi
2015 — conf
Emergency Situation Awareness During Natural Disasters Using Density-Based Adaptive Spatiotemporal Clustering.
DASFAA Workshops
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami
2015 — conf
Extracting Topic-Related Photos in Density-Based Spatiotemporal Analysis System for Enhancing Situation Awareness.
IIAI-AAI
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami
2015 B conf
Identifying Local Temporal Burstiness Using MACD Histogram.
SMC
Keiichi Tamura, Tomoki Matsui, Hajime Kitakami, Tatsuhiro Sakai
2015 C conf
Identifying main topics in density-based spatial clusters using network-based representative document extraction.
IWCIA
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami
2015 — conf
Real-time Local Topic Extraction using Density-based Adaptive Spatiotemporal Clustering for Enhancing Local Situation Awareness.
KDIR
Tatsuhiro Sakai, Keiichi Tamura, Shota Kotozaki, Tsubasa Hayashida, Hajime Kitakami
2015 — conf
Summarizing Results of Keyword Search on Social Photos Using Clustering-Based Burst Detection.
IIAI-AAI
Tatsuhiro Sakai, Keiichi Tamura
2014 B conf
Density-based adaptive spatial clustering algorithm for identifying local high-density areas in georeferenced documents.
SMC
Tatsuhiro Sakai, Keiichi Tamura, Hajime Kitakami