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Wisconsin DB Group

@wiscdb.bsky.social
22 followers 7 following 19 posts

One of the finest database groups in the country. We work on building next generation database systems, data integration, data science, and database theory.

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Wisconsin DB Group @wiscdb.bsky.social · 31/08/2026
Congrats to Austen Fan on completing his PhD! His research focuses on proving lower bounds for conjunctive queries and Datalog programs. After his PhD, Austen will head to Jump Trading as a Quantitative Researcher!
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Wisconsin DB Group @wiscdb.bsky.social · 30/08/2026
Congrats to Ting Cai on completing her PhD on using LLMs for semantic enrichment of data catalogs! During her PhD, Ting explored how LLMs can improve data management processes such as entity matching & keyword search. Next stop: Reinforce Labs!
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Wisconsin DB Group @wiscdb.bsky.social · 28/04/2026
Strong Wisconsin presence at Midwest DB day this year 🦡❤️ Thank you Chunwei Liu and Aaron Elmore for organizing such a wonderful event!
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Wisconsin DB Group @wiscdb.bsky.social · 28/04/2026
We're thrilled to share that Hangdong Zhao has won the 2026 @sigmodconf.bsky.social Jim Gray Doctoral Dissertation Award! His thesis "Advancing Join Algorithms for Real-world Queries" makes DB theory research practical by presenting join algorithms for real-world queries. We are so proud of you!
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Wisconsin DB Group @wiscdb.bsky.social · 28/04/2026
Huge congrats to Yifei Yang on completing his PhD in high-performance OLAP systems! 🎉 During his PhD, Yifei researched several novel techniques on distributed DBMS query execution. Now, he’s at @databricks.bsky.social on the query optimization team!
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Reposted by Wisconsin DB Group
CMU Database Group @db.cs.cmu.edu · 27/04/2026
Today's Postgres vs. World Seminar Speaker: Dr. Xiangyao Yu (@xiangyaoyu.bsky.social) will present the architecture of the Sirius GPU-native database system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
db.cs.cmu.edu
Sirius: A GPU-Native SQL Engine (Xiangyao Yu) - Carnegie Mellon Database Group
GPUs have evolved into powerful, cost-efficient engines for general-purpose parallel compute. This... Read More +
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Wisconsin DB Group @wiscdb.bsky.social · 17/04/2026
Congrats to Ling Zhang for defending & completing her PhD! During her PhD, she specialized in in log processing and management, structured text search, and database query processing! She is now at @databricks.bsky.social on their Query Optimization team!
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Wisconsin DB Group @wiscdb.bsky.social · 06/03/2026
Belated congratulations to Konstantinos Kanellis for completing his PhD in ML-powered tuning for improving the performance of data and memory-tiering systems. He is now at AWS working on LLM-powered data systems!
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Wisconsin DB Group @wiscdb.bsky.social · 24/02/2026
Last Friday, the Wisconsin DB group visited Google Madison! Thank you for hosting, Prof. Goetz Graefe #TGIF file:///Users/abigale/Downloads/IMG_7019.jpg
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Wisconsin DB Group @wiscdb.bsky.social · 04/09/2025
Badgers at @vldb.bsky.social 2025! 🦡❤️🤍
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Wisconsin DB Group @wiscdb.bsky.social · 04/09/2025
Professor @xiangyaoyu.bsky.social has won the VLDB 2025 Early Career Award for his work on on disaggregated cloud DBMSs! Congrats to him and his students Zhihan Guo, Elena Milkai, Yifei Yang, and Wenjie Hu for their incredible contributions! Wisc DB is so proud of you ❤️
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Wisconsin DB Group @wiscdb.bsky.social · 02/09/2025
Congrats to Bobbi Yogatama for defending his thesis on GPU data analytics! Recently, he’s been leading Sirius DB (github.com/sirius-db/sirius), which is a GPU-native SQL engine built on top of @duckdb.org. After graduation, he’s headed to NVIDIA!
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Wisconsin DB Group @wiscdb.bsky.social · 26/06/2025
@sigmod2025.bsky.social is happening in Berlin right now! As expected, our group is presenting some incredible work! More details below 🧵
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Wisconsin DB Group @wiscdb.bsky.social · 26/05/2025
Congrats to Elena Milkai on defending her thesis on real-time transactional analytics! One of her projects, HERMES (@vldb.bsky.social 2025), enables data consolidation across transactional and analytical engines without system changes. After grad, she’s headed to Salesforce's DB team!
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Wisconsin DB Group @wiscdb.bsky.social · 07/05/2025
Congrats to the winners from our group at the CS department awards! Hangdong Zhao: Outstanding Graduate Student Research Award Yifei Yang: Klug Fellowship in Database Systems Konstantinos Kanellis: Landweber Fellowship in Distributed Systems @abigalekim.bsky.social: First Yr Summer Fellowship
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Reposted by Wisconsin DB Group
arXiv cs.OS Operating Systems @csos-bot.bsky.social · 29/04/2025
Konstantinos Kanellis, Sujay Yadalam, Fanchao Chen, Michael Swift, Shivaram Venkataraman: From Good to Great: Improving Memory Tiering Performance Through Parameter Tuning arxiv.org/abs/2504.18714 arxiv.org/pdf/2504.18714 arxiv.org/html/2504.18714
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Wisconsin DB Group @wiscdb.bsky.social · 25/04/2025
Congrats to Hangdong Zhao on successfully defending his thesis on join algorithms for real-world queries! He’s been a superstar in our group, winning the @sigmod2025.bsky.social PODS 2025 Best Paper and UW CS's Outstanding Graduate Student Research Award. Next stop: Microsoft GSL!
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