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@sfu-dis

Data-Intensive Systems Lab at Simon Fraser University

Core data systems research atop Burnaby Mountain

Welcome! 👋

We work on database systems on modern hardware, new programming paradigms and support for emerging applications. We also contribute to related areas such as synchronization, operating systems and distributed systems while solving database systems problems.

Our work consistently appears in top-tier database conferences (VLDB/SIGMOD/CIDR) and is being picked up by industry. For example:

Our lab is also home to a series of open-source research prototypes that received major awards (e.g., SIGMOD 2025 Best Paper Award, ACM SIGMOD Research Highlights 2021, 2023) and are being used by our peers, e.g., CoroBase, PiBench, ERMIA, PMwCAS and index implementations. All of our work is open-source here.

We are part of the Data Science Research Group in the School of Computing Science at Simon Fraser University in Metro Vancouver, Canada.

Support us

With the help from SFU Advancement & Alumni Engagement, now you can also support our work by donations!

People:

PI: Tianzheng Wang, Associate Professor at SFU CS
Current Grad Students: Mohamed Farouk Drira (2025-), Jiatang Zhou (2024-), Ziyi Yan (2021-), Tianxun Hu (2021-)
See here for undergrads, visitors and alumni.

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  1. tabular tabular Public

    Tabular: Efficiently Building Efficient Indexes (VLDB 2025)

    C++ 15

  2. preemptdb preemptdb Public

    Low-Latency Transaction Scheduling via Userspace Interrupts: Why Wait or Yield When You Can Preempt? (SIGMOD 2025 Best Paper Award)

    C++ 54 4

  3. mosaicdb mosaicdb Public

    The Art of Latency Hiding in Modern Database Engines (VLDB 2024)

    C++ 58 5

  4. optiql optiql Public

    Optimistic queue-based reader-writer lock for robust index synchronization (SIGMOD 2024)

    C++ 24 1

  5. tesseract tesseract Public

    Tesseract: Efficient Online Schema Evolution for Snapshot Databases (VLDB 2023)

    C++ 23 2

  6. corobase corobase Public

    Coroutine-Oriented Main-Memory Database Engine (VLDB 2021)

    C++ 249 31

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