Keiichi Tamura

64 papers B 11C 16Misc 8Journal 6Unranked 23

Year	Rank	Type	Title / Venue / Authors
2025	C	`conf`	Detecting Audio Adversarial Examples Using Filtering Method Based on Spectral Subtraction. IWCIA Kyonosuke Takahashi, Keiichi Tamura
2025	C	`conf`	FLAM: Federated Learning Based on Asynchronous Model Distillation. IWCIA Yuya Tsuruta, Keiichi Tamura
2025	C	`conf`	Generating Adversarial Examples of Time Series Data for Time Series Classification Using Differential Evolution. IWCIA Kensei Yamada, Keiichi Tamura
2025	C	`conf`	Improving Multi-Label Classification Accuracy for High School Mathematics Problems Using LLM Re-Ranking. IWCIA Shun Tanaka, Keiichi Tamura
2024	—	`conf`	DFedMD: Decentralized Federated Learning using Model Distillation. SCIS/ISIS Shouta Abiru, Keiichi Tamura
2023	C	`conf`	Modified MC-MHLF Model using Multi-Channel Input for Time Series Classification. IWCIA Keiichi Tamura, Yoshiki Nakagawa
2022	—	`conf`	Adversarial Examples of Time Series Data based on Partial Perturbations. IIAI-AAI Jun Teraoka, Keiichi Tamura
2022	J	`jnl`	Defending against Audio Adversarial Examples based on Multiple-Sub-Detectors. Int. J. Comput. Intell. Stud. Hajime Ito, Keiichi Tamura
2022	J	`jnl`	Defending against audio adversarial examples based on multiple-sub-detectors. Int. J. Comput. Intell. Stud. Keiichi Tamura, Hajime Ito
2021	B	`conf`	Compression of Time Series Classification Model MC-MHLF using Knowledge Distillation. SMC Akari Gengyo, Keiichi Tamura
2021	—	`conf`	Detecting Adversarial Examples for Time Series Classification and Its Performance Evaluation. KES-IDT Jun Teraoka, Keiichi Tamura
2021	J	`jnl`	Detecting audio adversarial examples for protecting speech-to-text transcription neural networks. Int. J. Comput. Intell. Stud. Keiichi Tamura, Akitada Omagari, Hajime Ito, Shuichi Hashida
2021	C	`conf`	Protection Method based on Multiple Sub-Detectors against Audio Adversarial Examples. IWCIA Keiichi Tamura, Hajime Ito
2020	B	`conf`	(n, m)-Layer MC-MHLF: Deep Neural Network for Classifying Time Series. SMC Keiichi Tamura, Shuichi Hashida
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
2019	C	`conf`	MACD-Histogram-based Fully Convolutional Neural Networks for Classifying Time Series. CoDIT Shuichi Hashida, Keiichi Tamura
2019	C	`conf`	Multi-Channel MHLF: LSTM-FCN using MACD-Histogram with Multi-Channel Input for Time Series Classification. IWCIA Shuichi Hashida, Keiichi Tamura
2019	C	`conf`	Novel Defense Method against Audio Adversarial Example for Speech-to-Text Transcription Neural Networks. IWCIA Keiichi Tamura, Akitada Omagari, Shuichi Hashida
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
2018	J	`jnl`	Time series classification using MACD-histogram-based recurrence plot. Int. J. Comput. Intell. Stud. Keiichi Tamura, Takumi Ichimura
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	—	`conf`	Clustering of time series using hybrid symbolic aggregate approximation. SSCI Keiichi Tamura, Takumi Ichimura
2017	C	`conf`	MACD-histogram-based recurrence plot: A new representation for time series classification. IWCIA Keiichi Tamura, Takumi Ichimura
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`	A new parallelization model for detecting temporal bursts in large-scale document streams on a multi-core CPU. SMC Keiichi Tamura, Hajime Kitakami
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
2013	B	`conf`	Density-Based Spatiotemporal Clustering Algorithm for Extracting Bursty Areas from Georeferenced Documents. SMC Keiichi Tamura, Takumi Ichimura
2013	—	`conf`	Detecting Location-Based Enumerating Bursts in Georeferenced Micro-Posts. IIAI-AAI Keiichi Tamura, Hajime Kitakami
2013	C	`conf`	Location-based burst detection algorithm for georeferenced document streams based on user's moving direction. IWCIA Tomoki Matsui, Keiichi Tamura, Hajime Kitakami
2013	C	`conf`	Parallel processing of approximate sequence matching using disk-based suffix tree on multi-core CPU. IWCIA Yosuke Watanuki, Keiichi Tamura, Hajime Kitakami, Yoshifumi Takahashi
2013	—	`conf`	Population-based Modified Extremal Optimization for Contact Map Overlap Maximization Problem. IIAI-AAI Akihiro Nakada, Keiichi Tamura, Hajime Kitakami, Yoshifumi Takahashi
2012	B	`conf`	Clustering-based burst-detection algorithm for web-image document stream on social media. SMC Shingo Tamura, Keiichi Tamura, Hajime Kitakami, Kaishi Hirahara
2012	B	`conf`	Optimal protein structure alignment using modified extremal optimization. SMC Akihiro Nakada, Keiichi Tamura, Hajime Kitakami
2012	J	`jnl`	Parallel processing for stepwise generalisation method on multi-core PC cluster. Int. J. Knowl. Web Intell. Shinpei Yagi, Keiichi Tamura, Hajime Kitakami
2010	—	`conf`	Mining Minimum Generalized Set Based on Multiple Alignments from Mismatch Cluster. BIOCOMP Kazuya Miyahara, Hajime Kitakami, Yoshifumi Takahashi, Keiichi Tamura, Susumu Kuroki
2010	—	`conf`	Modified EO-based evolutionary algorithm for reducing crossovers of reconciliation graph. NaBIC Natsumi Hara, Keiichi Tamura, Hajime Kitakami
2010	Misc	`conf`	Searching for Index-based Similar Substructure Using RMSD in Protein Structure Databases. IKE Yoshifumi Takahashi, Susumu Kuroki, Keiichi Tamura, Hajime Kitakami
2009	Misc	`conf`	A Method for Constructing Disk-based Indexes for 3-D Protein Structure Databases. IKE Yoshifumi Takahashi, Susumu Kuroki, Keiichi Tamura, Hajime Kitakami
2009	Misc	`conf`	Extracting Similar Subsequences by Gibbs Sampling with Distributed MGG. PDPTA Nobuhisa Kono, Hajime Kitakami, Keiichi Tamura, Yasuma Mori
2008	—	`conf`	A Stepwise Generalization Method for Extracting Minimum Generalized Set from Mismatch Cluster. BIOCOMP Hiroaki Kimura, Hajime Kitakami, Kotaro Araki, Keiichi Tamura
2008	Misc	`conf`	Parallel Construction Method of a Disk-Based Suffix Tree on a PC Cluster. PDPTA Yusuke Sawada, Keiichi Tamura, Kotaro Araki, Makoto Takaki, Hajime Kitakami
2007	—	`conf`	A Extraction Method of Overlapping Cluster Based on Network Structure Analysis. Web Intelligence/IAT Workshops Makoto Takaki, Keiichi Tamura, Yasuma Mori, Hajime Kitakami
2007	—	`conf`	Extraction of Ambiguous Sequential Patterns with Least Minimum Generalization from Mismatch Clusters. SITIS Kotaro Araki, Keiichi Tamura, Tomoyuki Kato, Yasuma Mori, Hajime Kitakami
2007	Misc	`conf`	Method for Extracting Frequent Communities from Blog User Spaces. PDPTA Makoto Takaki, Yasuma Mori, Keiichi Tamura, Susumu Kuroki, Hajime Kitakami
2006	Misc	`conf`	Dynamic Load Balancing Technique for Modified PrefixSpan on a Grid Environment with Distributed Worker Model. PDPTA Makoto Takaki, Keiichi Tamura, Hajime Kitakami
2006	Misc	`conf`	Extraction for Frequent Sequential Patterns with Minimum Varaible-Wildcard Regions. PDPTA Tomoyuki Kato, Hajime Kitakami, Makoto Takaki, Keiichi Tamura, Yasuma Mori, Susumu Kuroki
2005	—	`conf`	A New Dynamic Load Balancing Technique for Parallel Modified PrefixSpan with Distributed Worker Paradigm and Its Performance Evaluation. ISHPC Makoto Takaki, Keiichi Tamura, Toshihide Sutou, Hajime Kitakami
2005	—	`conf`	New Dynamic Load Balancing for Parallel Modified PrefixSpan. ICDE Workshops Makoto Takaki, Keiichi Tamura, Toshihide Sutou, Hajime Kitakami
2004	Misc	`conf`	Dynamic Load Balancing for Parallel Modified PrefixSpan. PDPTA Makoto Takaki, Keiichi Tamura, Toshihide Sutou, Hajime Kitakami
2003	—	`conf`	Design and Implementation of Parallel Modified PrefixSpan Method. ISHPC Toshihide Sutou, Keiichi Tamura, Yasuma Mori, Hajime Kitakami
2001	B	`conf`	The Parallel Processing of Spatial Selection for Very Large Geo-Spatial Databases. ICPADS Keiichi Tamura, Yuya Nakano, Kunihiko Kaneko, Akifumi Makinouchi