TopK: Billion-Scale Hybrid Retrieval from the Ground Up (Marek Galovic) @CMUDatabaseGroup
TopK: Billion-Scale Hybrid Retrieval from the Ground Up (Marek Galovic)  @CMUDatabaseGroup
Uploaded February 2026 | Updated September 2026, 2 weeks ago
CMU Database Group — PostgreSQL vs. The World Seminar Series (Spring 2026)
Speakers: Marek Galovic (linkedin.com/in/marek-galovic/)
February 16, 2026
https://db.cs.cmu.edu/seminars/spring2026/#db3

Sponsors:
Google DAPA Team (https://google.com)
SO-YOU-DONT-HAVE-TO (https://sydht.ai)
TopK: Billion-Scale Hybrid Retrieval from the Ground Up (Marek Galovic)Sirius: A GPU-Native SQL Engine (Xiangyao Yu)Introduction to ClickHouses Data Storage Architecture (George Larionov)Introduction to SingleStore (Joseph Victor)Aurora DSQL: Serverless, Scalable, Global OLTP Database System (Marc Brooker)Apache Fluss: A Streaming Storage for Real-Time Lakehouse (Jark Wu)#24 - Distributed Databases Pt. 2 (CMU Intro to Database Systems)turbopuffer: Object Storage-native Database for Search (Simon Eskildsen)#25 - Databricks + Yellowbrick + ClickHouse ✸ RelationalAI DB Talk (CMU Intro to Database Systems)Transactions and Coordination in Amazon Aurora DSQL#19 - Timestamp Ordering Concurrency Control (CMU Intro to Database Systems)#17 - Concurrency Control Theory (CMU Intro to Database Systems)
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TopK: Billion-Scale Hybrid Retrieval from the Ground Up (Marek Galovic)

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