All Stories

  1. AITTI: Augmented Interval Tree for Temporal Indexing

    Article • Proceedings of the ACM on Management of Data, September 2026, ACM (Association for Computing Machinery)

    Daichi Amagata

  2. FIRAS: A Framework for Interval Range Search and Sampling

    Article • Proceedings of the ACM on Management of Data, May 2026, ACM (Association for Computing Machinery)

    Daichi Amagata

  3. Sublime: Selecting Subgraph Matching Algorithms via Machine Learning

    Article • Proceedings of the ACM on Management of Data, May 2026, ACM (Association for Computing Machinery)

    Daichi Amagata

  4. Mutual Information-based Preference Disentangling and Transferring for Non-overlapped Multi-target Cross-domain Recommendations

    Article • July 2024, ACM (Association for Computing Machinery)

    Daichi Amagata, Zhi Li

  5. Simpler is Much Faster: Fair and Independent Inner Product Search

    Article • July 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  6. Fast Algorithm for Embedded Order Dependency Validation

    Article • July 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  7. Efficient Density-Peaks Clustering Algorithms on Static and Dynamic Data in Euclidean Space

    Article • ACM Transactions on Knowledge Discovery from Data, July 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  8. Learned Spatial Data Partitioning

    Article • June 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  9. User-irrelevant Cross-domain Association Analysis for Cross-domain Recommendation with Transfer Learning

    Article • June 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  10. Reverse Maximum Inner Product Search: Formulation, Algorithms, and Analysis

    Article • ACM Transactions on the Web, March 2023, ACM (Association for Computing Machinery)

    Daichi Amagata

  11. Solving Diversity-Aware Maximum Inner Product Search Efficiently and Effectively

    Article • September 2022, ACM (Association for Computing Machinery)

    Daichi Amagata, Kohei Hirata

  12. Feat-SKSJ

    Article • November 2021, ACM (Association for Computing Machinery)

    Yusuke Arai, Daichi Amagata

  13. Reverse Maximum Inner Product Search: How to efficiently find users who would like to buy my item?

    Article • September 2021, ACM (Association for Computing Machinery)

    Daichi Amagata

  14. Fast and Exact Outlier Detection in Metric Spaces

    Article • June 2021, ACM (Association for Computing Machinery)

    Daichi Amagata

  15. Fast Density-Peaks Clustering

    Article • June 2021, ACM (Association for Computing Machinery)

    Daichi Amagata

  16. Behavior Matching between Different Domains based on Canonical Correlation Analysis

    Article • May 2019, ACM (Association for Computing Machinery)

    Daichi Amagata

  17. Preliminary Investigation of Alleviating User Cold-Start Problem in E-commerce with Deep Cross-Domain Recommender System

    Article • May 2019, ACM (Association for Computing Machinery)

    Daichi Amagata

  18. A General Framework for MaxRS and MaxCRS Monitoring in Spatial Data Streams

    Article • ACM Transactions on Spatial Algorithms and Systems, March 2017, ACM (Association for Computing Machinery)

    Daichi Amagata

  19. Distributed top-k query processing on multi-dimensional data with keywords

    Article • June 2015, ACM (Association for Computing Machinery)

    Daichi Amagata