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Hiroaki Shiokawa, Ph.D


Hiroaki Shiokawa is an Assistant Professor at University of Tsukuba. He received B.S. in information science, M.E, and Ph.D in engineering from University of Tsukuba under the supervision of Prof. Hiroyuki Kitagawa in 2009, 2011 and 2015 respectively. From 2011 to 2015, he was a researcher at NTT labs, and he joined Center for Computational Sciences at University of Tsukuba in Nov. 2015. His current main research interests include database systems, data engineering, data mining, and graph data management.

Contact

  • Kitagawa and Amagasa Data Engineering Group  
  • Address: 3F905 Tennoudai 1-1-1, Tsukuba, Ibaraki 305-8573, Japan
  • E-mail: cs

My picture

Photographed at Venice in Sep. 2013

Publications


You can also find my paper list from DBLP and Google Scholar.

Book Chapter

  1. Hiroaki Shiokawa, Makoto Onizuka, "Scalable Graph Clustering and its Applications," Encyclopedia of Social Network Analysis and Mining, 2nd edition, Springer, New York, May 24th, 2017. [url]

Journal (selected)

  1. Makoto Onizuka, Toshimasa Fujimori, Hiroaki Shiokawa, "Graph Partitioning for Distributed Graph Processing," Data Science and Engineering, 2(1), pp.94-105, Springer, 2017. [paper]
  2. Yasuhiro Fujiwara, Makoto Nakatsuji, Hiroaki Shiokawa, Takeshi Mishima, Makoto Onizuka, "Fast Ad-hoc Search Algorithm for Personalized PageRank," IEICE Transactions, Vol.E 100-D, No.4, pp.610-620, April 2017. [paper]
  3. Hiroaki Shiokawa, Yasuhiro Fujiwara, Makoto Onizuka, "SCAN++: Efficient Algorithm for Finding Clusters, Hubs and Outliers on Large-scale Graphs," Proceedings of the Very Large Data Bases Endowment (PVLDB), Vol.8, No.11, pp.1178-1189, July 2015. [paper][slides][binary codes](acceptance ratio 19.5%)

International Conference

  1. Tomokatsu Takahashi, Hiroaki Shiokawa, Hiroyuki Kitagawa, "SCAN-XP: Parallel Structural Graph Clustering Algorithm on Intel Xeon Phi Coprocessors," In Proceedings of the 2nd ACM SIGMOD Workshop on Network Data Analytics (NDA 2017), pp.6:1-6:7, Chicago, IL, USA, May 19, 2017. [paper]
  2. Yuta Suzuki, Makito Sato, Hiroaki Shiokawa, Masashi Yanagisawa, Hiroyuki Kitagawa, "MASC: Automatic Sleep Stage Classification Based on Brain and Myoelectric Signals," In Proceedings of the 33rd IEEE International Conference on Data Engineering Workshops, ICDE Workshops 2017, pp.1489-1496, San Diego, CA, USA, April 19-22, 2017. [paper][slides]
  3. Takahiro Komamizu, Toshiyuki Amagasa, Salman Ahmed Shaikh, Hiroaki Shiokawa, Hiroyuki Kitagawa, "Towards Real-time Analysis of Smart City Data: A Case Study on City Facility Utilizations," In Proceedings of the 14th IEEE International Conference on Smart City (SmartCity 2016), pp.1357-1364, Sydney, Australia, December 2016. [paper]
  4. Hirotoshi Cho, Hiroaki Shiokawa, Hiroyuki Kitagawa, "JsFlow: Integration of Massive Streams and Batches via JSON-based Dataflow Algebra," In Proceedings of the 19th International Conference on Network-Based Information Systems (NBiS 2016), pp.188-195, Ostrava, Czech Republic, September 2016. [paper]
  5. Junya Arai, Hiroaki Shiokawa, Takeshi Yamamuro, Makoto Onizuka, Sotetsu Iwamura, "Rabbit Order: Just-in-time Parallel Reordering for Fast Graph Analysis," In Proceedings of the 30th IEEE International Parallel & Distributed Processing Symposium (IPDPS 2016), pp.22-31, Chicago, Illinois, USA, May 2016. [paper][codes][slides]
  6. Yasuhiro Fujiwara, Yasutoshi Ida, Hiroaki Shiokawa, Sotetsu Iwamura, "Fast Lasso Algorithm via Selective Coordinate Descent," In Proceedings of the 30th AAAI Conference on Artificial Intelligence (AAAI 2016), pp.1561-1567, Phoenix, Arizona, USA, February 2016. [paper]
  7. Yasuhiro Fujiwara, Makoto Nakatsuji, Hiroaki Shiokawa, Yasutoshi Ida, Machiko Toyoda, "Adaptive Message Update for Fast Affinity Propagation," In Proceedings of the 21st ACM SIGKDD International Conference on Knowledge Data Discovery (SIGKDD 2015), pp.309-318, 2015. [paper]
  8. Yasuhiro Fujiwara, Makoto Nakatsuji, Hiroaki Shiokawa, Takeshi Mishima, Makoto Onizuka, "Efficient Ad-hoc Search for Personalized PageRank," In Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD 2013), New York, New York, USA, June 2013. [paper]
  9. Hiroaki Shiokawa, Yasuhiro Fujiwara, Makoto Onizuka, "Fast Algorithm for Modularity-based Graph Clustering," In Proceedings of the 27th AAAI Conference on Artificial Intelligence (AAAI 2013), Bellevue, Washington, USA, July 2013. [paper][slides]
  10. Yasuhiro Fujiwara, Makoto Nakatsuji, Hiroaki Shiokawa, Takeshi Mishima, Makoto Onizuka, "Fast and Exact Top-k Algorithm for PageRank," In Proceedings of the 27th AAAI Conference on Artificial Intelligence (AAAI 2013), Bellevue, Washington, USA, July 2013. [paper]
  11. Yasuhiro Fujiwara, Makoto Nakatsuji, Hiroaki Shiokawa, Makoto Onizuka, "Efficient Search Algorithm for SimRank," In Proceedings of the 29th IEEE International Conference on Data Engineering (ICDE 2013), Brisbane, Australia, April 2013. [paper]
  12. Yasuhiro Fujiwara, Makoto Nakatsuji, Takeshi Yamamuro, Hiroaki Shiokawa, Makoto Onizuka, "Efficient Personalized PageRank with Accuracy Assurance," In Proceedings of the 18th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2012), Beijing, China, August 2012. [paper] [slides]
  13. Hiroaki Shiokawa, Hiroyuki Kitagawa, Hideyuki Kawashima, "A-SAS: An Adaptive High-Availability Scheme for Distributed Stream Processing Systems," In Proceedings of the 11th International Conference on Mobile Data Management (MDM 2010), Kansas City, Missouri, USA, May 2010. [paper][slides]

Invited Talk (Selected)

  • Hiroaki Shiokawa, "SCAN++: Efficient Algorithm for Finding Clusters, Hubs and Outliers on Large-scale Graphs," ERATO Seminar, Jun 11th, 2015, National Institute of Informatics, Tokyo
  • Makoto Onizuka, Yasuhiro Fujiwara, Hiroaki Shiokawa, "Efficient Graph Mining Algorithms and Distributed Query Optimization", British and Japanese BigData Workshop,February 6th, 2014, British embassy, Tokyo
  • Hiroaki Shiokawa, "Fast Algorithm for Modularity-based Graph Clustering," Northwest Database Society (NWDS) sponsord by Yahoo!, July 19th, 2013, University of Washington, Seattle

Research Activities


Members

  • ACM (SIGMOD) (Professional Membership) since Dec. 2014
  • AAAI (Regular Membership) since Jan. 2016
  • Database Society Japan (DBSJ) since Dec. 2008
  • Information Processing Society of Japan (IPSJ) since Dec. 2015

Program Committees

  • The 12th IEEE International Conference on Semantic Computing (IEEE ICSC 2018), Program Committee
  • The 11th IEEE International Conference on Semantic Computing (IEEE ICSC 2017), Program Committee

Reviewer

  • International Conference on Web Information Systems Engineering (WISE), Reviewer, 2017
  • International Conference on Database Systems for Advanced Application (DASFAA), Reviewer 2012, 2015, 2016, 2017
  • International Conference on Database and Expert Systems Applications (DEXA), Reviewer 2015
  • IEEE Transactions on Knowledge and Data Engineering (TKDE), Reviewer 2014, 2015, 2016, 2017
  • IEICE Transactions on Information & Systems, Reviewer 2011, 2012, 2013, 2014, 2015, 2016, 2017
  • Proceedings of the Very Large Data Bases Endowment (PVLDB), External Reviewer 2014, 2016
  • The Database society Japan Journal, Reviewer 2016

Teaching


2017

Cources for graduate students
  • 01CH001 Seminar in Computer Science, Department of Computer Science, Graduate school of SIE, University of Tsukuba
Cources for under graduate students
  • GB10324 Analysis I, College of Information Science, University of Tsukuba
  • GB36403 Computer Systems Laboratory A, College of Information Science, University of Tsukuba
  • GB36503 Computer Systems Laboratory B, College of Information Science, University of Tsukuba
  • 6217103 Computer Education, College of Comparative Culture, University of Tsukuba

2016

Cources for graduate students
  • 01CH001 Seminar in Computer Science, Department of Computer Science, Graduate school of SIE, University of Tsukuba
Cources for under graduate students
  • GB10324 Analysis I, College of Information Science, University of Tsukuba
  • GB36403 Computer Systems Laboratory A, College of Information Science, University of Tsukuba
  • GB36503 Computer Systems Laboratory B, College of Information Science, University of Tsukuba
  • 6202203 Computer Education, College of Comparative Culture, University of Tsukuba

(Last update June 21st 2017)

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