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Kyoseung Koo (구교승)

A Ph.D. student in Computer Science and Engineering at Seoul National University, supervised by Bongki Moon.
I'm interested in database management systems, especially storage engines and multi-model workloads.

Publications (sorted by date)

  • Kyoseung Koo, Bogyeong Kim, and Bongki Moon. 2025. M2: An Analytic System with Specialized Storage Engines for Multi-Model Workloads. arXiv preprint arXiv:2508.02508. [paper]
  • Yoojin Choi, Juhee Han, Kyoseung Koo, and Bongki Moon. 2025. Jovis: A Visualization Tool for PostgreSQL Query Optimizer. Proceedings of the 37th SSDBM Conference, June 23-25, 2025, Columbus, OH, USA. Article 19, 1-6. [paper] [code]
  • Kyoseung Koo, Sohyun Kim, Wonhyeon Kim, Yoojin Choi, Juhee Han, Bogyeong Kim, and Bongki Moon. 2024. PreVision: An Out-of-Core Matrix Computation System with Optimal Buffer Replacement. Proceedings of the ACM on Management of Data. 2(1): 42:1-42:25. [paper] [code]
  • Bogyeong Kim, Kyoseung Koo, Undraa Enkhbat, Sohyun Kim, Juhun Kim, and Bongki Moon. 2023. M2Bench: A Database Benchmark for Multi-Model Analytic Workloads. Proceedings of the VLDB Endowment. 16(4):747-759. [paper] [code]
  • Bogyeong Kim, Kyoseung Koo, Undraa Enkhbat, and Bongki Moon. 2022. DenForest: Enabling the Fast Deletion in Incremental Density-Based Clustering over Sliding Windows. Proceedings of the 2022 ACM SIGMOD Conference, June 12-17, 2022, Philadelphia, PA, USA. 296-309. [paper] [code]
  • Kyoseung Koo*, Juhun Kim*, and Bongki Moon. 2021. MISE: An Array-Based Integrated System for Atmospheric Scanning LiDAR. Proceedings of the 33rd SSDBM Conference, July 6-7, 2021, Tampa, FL, USA. 265-269. (Demo, *Both authors contributed equally to this research) [paper]
  • Bogyeong Kim, Kyoseung Koo, Juhun Kim, and Bongki Moon. 2021. DISC: Density-Based Incremental Clustering by Striding over Streaming Data. Proceedings of the 37th IEEE ICDE Conference, Apr 19-22, 2021, Chania, Crete, Greece. 828-839. [paper] [code]
  • Hyeonseok Jung, Kyoseung Koo, and Hoeseok Yang. 2019. Measurement-Based Power Optimization Technique for OpenCV on Heterogeneous Multicore Processor. Symmetry. 11(12):1488. [paper]

Academic Services

  • Sub-reviewer: ICDE (2024 and 2020), SSDBM (2023, 2022, and 2021), PVLDB Reproducibility (2023), ICDM (2023, 2021, 2020, and 2019), CIKM (2019), and BigData (2021)
  • SIGMOD 2024 and 2025 ARI committee member

Education

  • Ph.D. in Computer Science and Engineering, Seoul National University (Sep 2018 - Present)
  • B.S. in Electrical Engineering and Software Engineering (Double Major), Ajou University (Mar 2014 - Feb 2018)
  • Sunrin Internet Highschool (Mar 2011 - Feb 2014)

Lecturer & Teaching Assistant

  • Large Scale Data Processing (MongoDB), Samsung Electronics DS2 Course (Data Science for Device Solution): Lecturer and teaching assistant (Spring 2024, Summer 2023, Spring 2023, Spring 2022, Fall 2021, Spring 2021, Fall 2020, Spring 2020, Fall 2019, Spring 2019, and Fall 2018); the average rating of latest courses is 4.6/5.0
  • Database System, Seoul National University (Spring 2021 and Spring 2020): Teaching assistant
  • Discrete Mathematics, Seoul National University (Spring 2021 and Fall 2020): Teaching assistant
  • Data Structures, Seoul National University (Spring 2020): Lab class lecturer and teaching assistant
  • Big Data Processing (MongoDB), 4th Industry Revolution Arcademy (SNU BDI): Lecturer and teaching assistant (Fall 2018)
  • Android Application Development with App Inventor, Sangdo Middle School: Lecturer (Fall 2015)

Experience

Works

  • Seoulsoft Manufacturing Execution System is a web-based manufacturing execution system. I led the development and made the majority of the system using Django Rest Framework. (2020)
  • Cider is an Operating System backup solution. I maintained the web service (JSP) and the frontend of the solution. (2018, the website is here but I'm not working on it currently.)
  • Flux - A Life Book is an iOS application that a user can record moments on top of a timeline UI. I made the application with Cocoa and Swift. (2017)
  • 내방을부탁해 is an application that helps people to compare vacancy rooms. I added some features and maintained the React Native application. (2016)
  • Peaceminusone is a shopping mall website. I developed several pages of the website. (2016, the website is here but I'm not working on it currently.)
  • Folder & Note is an iOS note application that provides a powerful organization feature. I made the application with Cocoa and Swift. (2016)
  • Five is an iOS application that offers relaxing sounds. I made the application with Cocoa and Swift. (2015)
  • 24hours; is a social networking service and I developed the Android application of the service. (2015)
  • Reshare is a web platform to exchange secondhand goods. I maintained the backend (Spring) and the frontend of the legacy system. (2015)
  • Heterogeneous Program & Testing Tool is a monitoring tool to measure system information of heterogeneous multi-core systems. I developed some parts of GUI using QT. (2015, Github)
  • PoCo - A Wearable Posture Fix Solution is a solution to help people to fix their posture. A user attaches IoT devices to his/her body, and then the mobile application of the solution notifies the user when the user has a bad posture. It also provides several services such as consulting with a doctor. I developed some parts of the solution and made an Android application. (2015, Github)
  • I participated in launching Frostine Stay Foolish, a promotion by frostine. I developed the PC and mobile versions of the website. (2014)
  • I participated in launching 이브자리 꽃보다 이불, a promotion by 이브자리. I made the PC and mobile versions of the website. (2014)
  • I participated in launching Su:m 37' Skin Birthday, a promotion by sum37. I developed the PC and mobile versions of the website. (2014)
  • I participated in launching 이브자리 특별한 데이트, a promotion by 이브자리. I made majority of the website. (2014)
  • 놀러오세요 is a collection of mini-games that show high school student's life. We used DirectX to develop the game. (2012)
  • Metalier is a business simulation with mini-games. We used a WINAPI-based game engine. (2011)
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