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DIAS publications on 
2026
Cracks in the Memory Wall: Data Systems On Disaggregated Memory
Datenbank-Spektrum. 2026. DOI : 10.1007/s13222-026-00561-9.SPARQ: Skew-Aware PIM Accelerator for Relational Join and Select Queries (artifact)
2026.Saving GPU Hours in LLM Inference System Development and Online Workloads with Simulation and DBMS-Inspired Cache Replacement Policies
2026
Language-Integrated Recursive Queries
2026. 40th European Conference on Object-Oriented Programming, Brussels, Belgium, 2026-06-29 – 2026-07-03. DOI : 10.4230/LIPIcs.ECOOP.2026.12.Modular Substructural Constraints for Embedded DSLs
2026. 25th ACM SIGPLAN International Conference on Generative Programming: Concepts and Experiences, Brussels, Belgium, 2026-06-29. p. 60 – 71. DOI : 10.1145/3814885.3816411.When Data and Queries Misalign: Understanding Performance Degradation in Streaming Approximate Nearest Neighbor Search
2026. SIGMOD/PODS ’26: International Conference on Management of Data. 10th Workshop on Data Management for End-to-End Machine Learning (DEEM), Bengaluru, India, 2026-05-31 – 2026-06-05. DOI : 10.1145/3807899.3808687.Low-Latency Stateful Stream Processing Through Timely and Accurate Prefetching
2026. 2026 IEEE 42nd International Conference on Data Engineering (ICDE), Montreal, QC, Canada, 2026-05-04 – 2026-05-08. p. 2573 – 2586. DOI : 10.1109/icde65706.2026.00192.Process Faster, Pay Less: Functional Isolation for Stream Processing
2026. 2026 IEEE 42nd International Conference on Data Engineering (ICDE), Montreal, QC, Canada, 2026-05-04 – 2026-05-08. p. 2517 – 2530. DOI : 10.1109/icde65706.2026.00188.A-Scan: Efficient Scale-Up Analytics via Throughput-Guided Data Movement
2026. 2026 IEEE 42nd International Conference on Data Engineering (ICDE), Montreal, QC, Canada, 2026-05-04 – 2026-05-08. p. 2711 – 2724. DOI : 10.1109/icde65706.2026.00202.QVCache: A Query-Aware Vector Cache
2026
Data Movement-Aware GPU Sharing for Data-Intensive Systems
2026. 16th Annual Conference on Innovative Data Systems Research (CIDR 2026), Chaminade, USA, 2026-01-18.Hardware- and Workload-conscious Data Movement for Analytical Query Processing
Lausanne, EPFL, 2026.Scalable and Resource-Efficient Stream Processing
Lausanne, EPFL, 2026.2025
HIRE: A Hybrid Learned Index for Robust and Efficient Performance under Mixed Workloads
2025. 2026 ACM SIGMOD/PODS Conference, Bengaluru, India, 2026-05-31 – 2026-06-05.Demystifying CXL Memory Bandwidth Expansion for Analytical Workloads
2025. 16th International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures, London, UK, 2025-09-01.Filtered Vector Search: State-of-the-Art and Research Opportunities
Proceedings of the VLDB Endowment. 2025. Vol. 18, num. 12, p. 5488 – 5492. DOI : 10.14778/3750601.3750700.Static Typing Meets Adaptive Optimization: A Unified Approach to Recursive Queries
2025. SIGMOD/PODS ’25: International Conference on Management of Data, Berlin, Germany, 2025-06-22 – 2025-06-27. p. 1 – 6. DOI : 10.1145/3735106.3736533.The Effectiveness of Compression for GPU-Accelerated Queries on Out-of-Memory Datasets
2025. SIGMOD/PODS ’25: International Conference on Management of Data, Berlin Germany, p. 1 – 10. DOI : 10.1145/3736227.3736240.PixelsDB: Serverless and NL-Aided Data Analytics with Flexible Service Levels and Prices
2025. 2025 IEEE 41st International Conference on Data Engineering, Hong Kong, Hong Kong, 2025-05-19 – 2025-05-23. p. 4612 – 4615. DOI : 10.1109/ICDE65448.2025.00365.The Cambridge Report on Database Research
2025
Databases in the Era of Memory-Centric Computing
2025. 15th Annual Conference on Innovative Data Systems Research (CIDR 2025), Amsterdam, Netherlands, 2025-01-19 – 2025-01-22.2024
Trustworthy and Efficient LLMs Meet Databases
2024
Serverless Query Processing with Flexible Performance SLAs and Prices
2024
Optimizing Context-Enhanced Relational Joins
2024. IEEE 40th International Conference on Data Engineering (ICDE), Utrecht, Netherlands, 2024-05-13 – 2024-05-16. p. 501 – 515. DOI : 10.1109/ICDE60146.2024.00045.Adaptive Recursive Query Optimization
2024. IEEE 40th International Conference on Data Engineering (ICDE), Utrecht, Netherlands, 2024-05-13 – 2024-05-17. p. 368 – 381. DOI : 10.1109/ICDE60146.2024.00035.Optimizing Goodput through Sharing for Batch Analytics with Deadlines
2024. International Conference on Extending Database Technology, PAESTUM, ITALY, 2024-03-25 – 2024-03-28. DOI : 10.48786/edbt.2024.29.Oligolithic Cross-task Optimizations across Isolated Workloads.
2024. 14th Annual Conference on Innovative Data Systems Research (CIDR’24), Chaminade, USA, January 14–17, 2024,.Efficient and Reusable Lazy Sampling
SIGMOD Record. 2024. Vol. 53, num. 1, p. 33 – 42.Efficient Approximate Analytics via Adaptive Context-Conscious Query Processing
Lausanne, EPFL, 2024.Efficient Data Access Paths for Mixed Vector-Relational Search
2024. 20th International Workshop on Data Management on New Hardware (DaMoN), Santiago, Chile, June 10, 2024.Efficient Operational Analytics on Fresh Data
Lausanne, EPFL, 2024.Efficient Model-Relational Data Management: Challenges and Opportunities
IEEE Transactions on Knowledge and Data Engineering. 2024. p. 1 – 12. DOI : 10.1109/TKDE.2024.3384276.2023
HPCache: memory-efficient OLAP through proportional caching revisited
Vldb Journal. 2023. DOI : 10.1007/s00778-023-00828-7.SH2O: Efficient Data Access for Work-Sharing Databases
Proceedings of the ACM on Management of Data. 2023. Vol. 1, num. 3, p. 1 – 26. DOI : 10.1145/3617340.Determining an optimum quantity of interleaved instruction streams of defined coroutines
US11789741; US2019278608.
2023.Chaosity: Understanding Contemporary NUMA-architectures
2023. Fifteenth TPC Technology Conference on Performance Evaluation & Benchmarking (TPCTC 2023), Vancouver, Canada, August 28, 2023. DOI : 10.1007/978-3-031-68031-1_5.Improving K-means Clustering Using Speculation
2023. Workshop on Applied AI for Database Systems and Applications (AIDB’23), Vancouver, Canada, August 28 – September 1, 2023.Post-Moore’s Law Fusion: High-Bandwidth Memory, Accelerators, and Native Half-Precision Processing for CPU-Local Analytics
2023. Workshop on Accelerating Analytics and Data Management Systems (ADMS’23), Vancouver, Canada, August 28 – September 1, 2023.E-Scan: Consuming Contextual Data with Model Plugins
2023. Second International Workshop on Composable Data Management Systems (CDMS’23), Vancouver, Canada, August 28 – September 1, 2023.Real-Time Analytics by Coordinating Reuse and Work Sharing
2023
Using Cloud Functions as Accelerator for Elastic Data Analytics
2023. ACM SIGMOD/PODS International Conference on Management of Data 2023, Seattle, Washington USA, 2023-06-18 – 2023-06-23. DOI : 10.1145/3589306.One-shot Garbage Collection for In-memory OLTP through Temporality-aware Version Storage
2023. DOI : 10.1145/3588699.HetCache: Synergising NVMe Storage and GPU acceleration for Memory-Efficient Analytics
2023. 13th Annual Conference on Innovative Data Systems Research (CIDR 2023), Amsterdam, The Netherlands, January 8-11, 2023.Predicting Query Execution time for JIT Compiled Database Engines
2023. 13th Annual Conference on Innovative Data Systems Research (CIDR 2023), Amsterdam, The Netherlands, 2023-01-08 – 2023-01-11.Analytical Engines With Context-Rich Processing: Towards Efficient Next-Generation Analytics
2023. IEEE 39th International Conference on Data Engineering (ICDE), Anaheim, California, USA, April 3-8, 2023. DOI : 10.1109/ICDE55515.2023.00298.LAQy: Efficient and Reusable Query Approximations via Lazy Sampling
2023. 2023 ACM SIGMOD/PODS Conference, Seattle, WA, USA, June 18-23, 2023. DOI : 10.1145/3589319.From Self-managed Database Systems to Runtime-intelligent Analytics
2023. IEEE 39th International Conference on Data Engineering (ICDE), Anaheim, CA, Apr 03-07, 2023. p. 91 – 91. DOI : 10.1109/CDEW58674.2023.00020.Efficient Concurrent Analytical Query Processing using Data and Workload-conscious Sharing
Lausanne, EPFL, 2023.2022
The Formidable Mid-Career Crisis
Sigmod Record. 2022. Vol. 51, num. 3, p. 40 – 42. DOI : 10.1145/3572751.3572761.The Seattle report on database research
Communications of the ACM. 2022. Vol. 65, num. 8, p. 72 – 79. DOI : 10.1145/3524284.Adaptive table placement in NUMA architectures
US11275721; US2017017674.
2022.Efficient Massively Parallel Join Optimization for Large Queries
2022. International Conference on Management of Data (SIGMOD), Philadelphia PA, USA, June 12-17, 2022. p. 122 – 135. DOI : 10.1145/3514221.3517871.Dalton: Learned Partitioning for Distributed Data Streams
2022. International Conference on Very Large Databases (VLDB 2022), Sydney, Australia, September 5-9, 2022. p. 491 – 504. DOI : 10.14778/3570690.3570699.Boosting Efficiency of External Pipelines by Blurring Application Boundaries
2022. 12th Annual Conference on Innovative Data Systems Research (CIDR ’22), Chaminade, USA, January 9-12, 2022.HPCache: Memory-Efficient OLAP Through Proportional Caching
2022. SIGMOD/PODS ’22: International Conference on Management of Dataent on New Hardware, Philadelphia PA, USA, June 13, 2022. p. 1 – 9. DOI : 10.1145/3533737.3535100.Pixels: An Efficient Column Store for Cloud Data Lakes
2022. 38th International Conference on Data Engineering (ICDE), Kuala Lumpur, Malaisia, May 9-12, 2022. p. 3078 – 3090. DOI : 10.1109/ICDE53745.2022.00276.Sampling-Based AQP in Modern Analytical Engines
2022. SIGMOD/PODS ’22: International Conference on Management of Dataent on New Hardware, Philadelphia PA, USA, June 13, 2022. p. 1 – 8. DOI : 10.1145/3533737.3535095.The DB Community vis-a-vis Environmental, Health, and Societal Grand Challenges: Innovation Engine, Plumber, or Bystander?
2022. International Conference on Management of Data (SIGMOD), Philadelphia, PA, Jun 12-17, 2022. p. 2498 – 2500. DOI : 10.1145/3514221.3528414.Efficient GPU-accelerated Join Optimization for Complex Queries
2022. 38th International Conference on Data Engineering (ICDE), Kuala Lumpur, Malaysia, May 9-12, 2022. p. 3190 – 3193. DOI : 10.1109/ICDE53745.2022.00295.Runtime-Optimized Analytics
30th Italian Symposium on Advanced Database Systems (SEBD 2022), Tirrenia, Italy, 2022-06-19 – 2022-06-20.Efficient Property Projections of Graph Queries over Relational Data
2022. 1 International Workshop on Composable Data Management Systems, Sydney, Australia, 2022-09-09 – 2022-09-09. p. 3324 – 3327.Efficient Analytical Query Processing on CPU-GPU Hardware Platforms
Lausanne, EPFL, 2022.2021
Hardware-conscious sliding window aggregation on CPUs
2021. 17th International Workshop on Data Management on New Hardware (DAMON 2021), Virtual, Online, China, 2021-06-21 – 2021-06-21. p. 1 – 5. DOI : 10.1145/3465998.3466014.Message from the Chairs. ICDE 2021
2021. 37th IEEE International Conference on Data Engineering Workshops (ICDEW 2021), Online, 2021-04-19 – 2021-04-22. p. 8 – 10. DOI : 10.1109/ICDEW53142.2021.00005.Micro-architectural analysis of in-memory OLTP: Revisited
The VLDB Journal. 2021. Vol. 30, p. 641 – 665. DOI : 10.1007/s00778-021-00663-8.Workload Interference Analysis for HTAP
2021. 11th Conference on Innovative Data Systems Research (CIDR 2021), Virtual, Online, 2021-01-11 – 2021-01-15.Performance Characterization of HTAP Workloads
2021. 37th IEEE International Conference on Data Engineering (IEEE ICDE), ELECTR NETWORK, Apr 19-22, 2021. p. 1829 – 1834. DOI : 10.1109/ICDE51399.2021.00162.Micro-architectural Analysis of Database Workloads
Lausanne, EPFL, 2021.Holistic, Efficient, and Real-time Cleaning of Heterogeneous Data
Lausanne, EPFL, 2021.Accelerating Complex Analytics using Speculation
2021. CIDR, virtual, via Zoom, January 11-15, 2021.Scalable Multi-Query Execution using Reinforcement Learning
2021. ACM SIGMOD International Conference on Management of Data, Virtual, China, June 20-25, 2021. DOI : 10.1145/3448016.3452799.2020
Access pattern based optimization of memory access
US10733185; US2019278858.
2020.A system design for elastically scaling transaction processing engines in virtualized servers
Proceedings Of The Vldb Endowment. 2020. Vol. 13, num. 12, p. 3085 – 3098. DOI : 10.14778/3415478.3415536.JIT works: decide when all data is known (VLDB Women in Database Research Award talk)
Proceedings Of The Vldb Endowment. 2020. Vol. 13, num. 12, p. 3473 – 3473. DOI : 10.14778/3415478.3415569.A parallel and distributed approach for diversified top-k best region search
2020. 23rd International Conference on Extending Database Technology (EDBT 2020), Copenhagen, Denmark, 2020-03-30 – 2020-04-02. p. 265 – 276. DOI : 10.5441/002/edbt.2020.24.The Seattle Report on Database Research
ACM SIGMOD Record. 2020. Vol. 48, num. 4, p. 44 – 53. DOI : 10.1145/3385658.3385668.Micro-architectural Analysis of OLAP: Limitations and Opportunities
Proceedings Of The Vldb Endowment. 2020. Vol. 13, num. 6, p. 840 – 853. DOI : 10.14778/3380750.3380755.Task scheduling for highly concurrent analytical and transaction workloads
US10545789; US2018246755; EP2819009; US9983903; US2016217003; US9329899; EP2819009; EP2819009; US2014380322.
2020.Query-driven Repair of Functional Dependency Violations
2020. IEEE 36th International Conference on Data Engineering (ICDE), Dallas, TX, Apr 20-24, 2020. p. 1894 – 1897. DOI : 10.1109/ICDE48307.2020.00195.Adaptive HTAP through Elastic Resource Scheduling
2020