| 2025 | VLDB | SQL-ML: A SQL-Centric Framework for Building Efficient Feature Store. | Ahmad Ghazal, Hanumath Maduri, Pekka Kostamaa |
| 2020 | SIGMOD | CoreBigBench: Benchmarking big data core operations. | Todor Ivanov, Ahmad Ghazal, Alain Crolotte, Pekka Kostamaa, Yoseph Ghazal |
| 2017 | ICDE | BigBench V2: The New and Improved BigBench. | Ahmad Ghazal, Todor Ivanov, Pekka Kostamaa, Alain Crolotte, Ryan Voong, Mohammed Al-Kateb, Waleed Ghazal, Roberto V. Zicari |
| 2012 | CIKM | A new tool for multi-level partitioning in teradata. | Young-Kyoon Suh, Ahmad Ghazal, Alain Crolotte, Pekka Kostamaa |
| 2011 | SIGMOD | A Hadoop based distributed loading approach to parallel data warehouses. | Yu Xu, Pekka Kostamaa, Yan Qi, Jian Wen, Kevin Keliang Zhao |
| 2010 | ICDE | Large scale data warehousing: Trends and observations. | Richard Winter, Pekka Kostamaa |
| 2010 | ICDE | A new algorithm for small-large table outer joins in parallel DBMS. | Yu Xu, Pekka Kostamaa |
| 2010 | SIGMOD | Integrating hadoop and parallel DBMs. | Yu Xu, Pekka Kostamaa, Like Gao |
| 2008 | SIGMOD | Handling data skew in parallel joins in shared-nothing systems. | Yu Xu, Pekka Kostamaa, Xin Zhou, Liang Chen |
| 2001 | SIGMOD | StorHouse Metanoia - New Applications for Database, Storage & Data Warehousing. | Felipe Cario, Pekka Kostamaa, Art Kaufmann, John G. Burgess |
| 1993 | VLDB | NCR 3700 - The Next-Generation Industrial Database Computer. | Andrew Witkowski, Felipe Cario, Pekka Kostamaa |