1. Sheng Hu, Chuan Xiao, Yoshiharu Ishikawa,
    "An Efficient Algorithm for Location-Aware Query Autocompletion",
    IEICE Transactions on Information and Systems, Vol. E101-D, No. 1, pp. 181-192, January 2018.
    – DOI: 10.1587/transinf.2017EDP7152
  2. Xiang Zhao, Chuan Xiao, Xuemin Lin, Wenjie Zhang, Yang Wang,
    "Efficient Structure Similarity Searches: A Partition-based Approach",
    The VLDB Journal, Vol. 27, No. 1, pp. 53-78, February, 2018.
    – DOI: 10.1007/s00778-017-0487-0
  3. Yusuke Kawai, Jing Zhao, Kento Sugiura, Yoshiharu Ishikawa, Yukiko Wakita,
    "An Analysis Technique of Evacuation Simulation Using an Array DBMS",
    Journal of Disaster Research, Vol. 13, No. 2, pp. 338-346, March 2018.
    – DOI: 10.20965/jdr.2018.p0338
  4. Kento Sugiura, Yoshiharu Ishikawa,
    “Regular Expression Pattern Matching Methods Using an Information-theoretic Criterion over Probabilistic Data Streams”,
    IEICE Transactions on Information and Systems (Japanese Edition), Vol. 101-D, No. 4, pp. 641-656. (in Japanese)
    – DOI: 10.14923/transinfj.2017DEP0005
  5. Satoshi Koide, Yukihiro Tadokoro, Takayoshi Yoshimura, Chuan Xiao, Yoshiharu Ishikawa,
    "Enhanced Indexing and Querying of Trajectories in Road Networks via String Algorithms",
    ACM Transactions on Spatial Algorithms and Systems, Vol. 4, Issue 1, Article No. 3, June 2018
    – DOI: 10.1145/3200200
  6. Jianbin Qin, Chuan Xiao,
    "Pigeonring: A Principle for Faster Thresholded Similarity Search",
    Proceedings of the VLDB Endowment (PVLDB), Vol. 12, No. 1, pp. 28-42, September 2018.


  1. Yuya Sasaki, Yoshiharu Ishikawa, Yasuhiro Fujiwara, Makoto Onizuka,
    "Sequenced Route Query with Semantic Hierarchy",
    21st International Conference on Extending Database Technology (EDBT 2018), March 2018.
    – DOI: 10.5441/002/edbt.2018.05
  2. Jianbin Qin, Yaoshu Wang, Chuan Xiao, Wei Wang, Xuemin Lin, Yoshiharu Ishikawa,
    "GPH: Similarity Search in Hamming Space",
    34th International Conference on Data Engineering (ICDE 2018), pp. 29-40, Paris, France, April 2018.
    – DOI: 10.1109/ICDE.2018.00013
  3. Satoshi Koide, Yukihiro Tadokoro, Chuan Xiao, Yoshiharu Ishikawa,
    "CiNCT: Compression and Retrieval for Massive Vehicular Trajectories via Relative Movement Labeling",
    34th International Conference on Data Engineering (ICDE 2018), pp. 1097-1108, Paris, France, April 2018.
    – DOI: 10.1109/ICDE.2018.00102
  4. Jing Zhao, Yoshiharu Ishikawa, Chuan Xiao, Kento Sugiura,
    "Histogram Construction for Difference Analysis of Spatio-Temporal Data on Array DBMS",
    2018 Australasian Database Conference (ADC 2018), pp. 41-52, Gold Coast, Australia, May 2018.
    – DOI: 10.1007/978-3-319-92013-9_4
  5. Yuya Sasaki, Takahiro Hara, Shojiro Nishio, Yoshiharu Ishikawa,
    "Top-k Query Processing with Replication Strategy in Mobile Ad Hoc Networks",
    19th IEEE International Conference on Mobile Data Management (MDM 2018), Aalborg, Denmark, June 2018.
    – DOI: 10.1109/MDM.2018.00039
  6. Sheng Hu, Chuan Xiao, Yoshiharu Ishikawa,
    "Loquat: An Interactive System Design for Location-aware Query Autocompletion",
    2018 9th International Conference on Networking and Information Technology (ICNIT 2018), Hong Kong, November 2018.


  1. Yoshiharu Ishikawa and Kento Sugiura,
    "Pattern Matching over Probabilisitc Data Streams",
    Korea-Japan Database Workshop (KJDB 2018), Incheon, Korea, November 2018. (invited talk)
  2. Yoshiharu Ishikawa, Kento Sugiura, Daiki Takao,
    "Fault Tolerant Data Stream Processing in Cooperation with OLTP Engine",
    The 6th International Conference on Big Data Analysis (BDA 2018), LNCS 11297, pp. 3-14, Warangal, India, December 2018.(基調講演)
    – DOI: 10.1007/978-3-030-04780-1_1
  3. Sharma Chakrabarty, Subhash Bhalla, Sanjay Chaudhary, Yoshiharu Ishikawa, Anirban Mondal, P. Krishna Reddy,
    Panel: "Can DBMS Technologies Play a Significant Role in Big Data Analytics?"
    The 6th International Conference on Big Data Analysis (BDA 2018), Warangal, India, December 2018.(パネル)
  4. Yoshiharu Ishikawa,
    "Development of Vehicle-related Database Technologies",
    The First International Workshop on Collaborative Research Alliance on Big Data (CRAB 2018), Shanghai, China, December 2018.(講演)