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Also on Google Scholar. * Co-first authors.

Conference Papers

  1. VLDB ’27
    MEPID-Join: Scaling Processing-in-DIMM Joins Using Adaptive Key-Level Replication NEW!
    Suhyun Lee, Hanna Cha, Chaemin Lim, Hanjun Kim, and Youngsok Kim.
    53rd International Conference on Very Large Data Bases (VLDB), Aug. 2027. To appear.
    PIM · Database Systems · Join Processing
  2. SIGMOD ’27
    GJP: Fast and Efficient Join-Project Query Processing on GPUs Using Density-Aware Matrix Multiplication NEW!
    Sungchul Lee, Suhyun Lee, Hanna Cha, Chaemin Lim, and Youngsok Kim.
    2027 ACM International Conference on Management of Data (SIGMOD), June 2027. To appear.
    GPU · Database Systems · Join-Project Processing · Matrix Multiplication
  3. ICDE ’26
    FaScalSQL: A Fast and Scalable GPU-Accelerated SQL Query Engine for Out-of-Memory Tables
    Chaemin Lim, Suhyun Lee, Jinwoo Choi, Kwanghyun Park, Jinho Lee, Joonsung Kim, and Youngsok Kim.
    42nd IEEE International Conference on Data Engineering (ICDE), May 2026.
    GPU · Database Systems · Out-of-Memory Query Processing — [Code]
  4. PACT ’25
    DMO-DB: Mitigating the Data Movement Bottlenecks of GPU-Accelerated Relational OLAP
    Chaemin Lim, Suhyun Lee, Jinwoo Choi, Joonsung Kim, Jinho Lee, and Youngsok Kim.
    34th International Conference on Parallel Architectures and Compilation Techniques (PACT), Nov. 2025.
    GPU · Database Systems · Data Movement · Relational OLAP
  5. SIGMOD ’25
    SPID-Join: A Skew-resistant Processing-in-DIMM Join Algorithm Exploiting the Bank- and Rank-level Parallelisms of DIMMs
    Suhyun Lee, Chaemin Lim, Jinwoo Choi, Heelim Choi, Chan Lee, Yongjun Park, Kwanghyun Park, Hanjun Kim, and Youngsok Kim.
    2025 ACM International Conference on Management of Data (SIGMOD), June 2025.
    PIM · Database Systems · Join Processing · Data Skew — [Code]
  6. ISCA ’24
    PID-Comm: A Fast and Flexible Collective Communication Framework for Commodity Processing-in-DIMMs
    Si Ung Noh*, Junguk Hong*, Chaemin Lim, Seongyeon Park, Jeehyun Kim, Hanjun Kim, Youngsok Kim, and Jinho Lee.
    51st IEEE/ACM International Symposium on Computer Architecture (ISCA), June–July 2024.
    PIM · Collective Communication · Distributed Systems — [Code]
  7. SIGMOD ’23
    Design and Analysis of a Processing-in-DIMM Join Algorithm: A Case Study with UPMEM DIMMs
    Chaemin Lim, Suhyun Lee, Jinwoo Choi, Jounghoo Lee, Seongyeon Park, Hanjun Kim, Jinho Lee, and Youngsok Kim.
    2023 ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2023.
    PIM · Database Systems · Join Processing — [Code]
  8. Middleware ’22
    GuardiaNN: Fast and Secure On-Device Inference in TrustZone Using Embedded SRAM and Cryptographic Hardware
    Jinwoo Choi*, Jaeyeon Kim*, Chaemin Lim*, Suhyun Lee, Jinho Lee, Dokyung Song, and Youngsok Kim.
    23rd ACM/IFIP International Middleware Conference (Middleware), Nov. 2022.
    Trusted Execution Environments · On-Device Inference · Security

Patents

Talks & Presentations