DB4AI

We design database systems to better support AI applications and workloads.

General

• ARCADE: A Real-Time Data System for Hybrid and Continuous Query Processing across Diverse Data Modalities.
  Jingyi Yang, Songsong Mo, Jiachen Shi, Zihao Yu, Kunhao Shi, Xuchen Ding, Gao Cong.
  CoRR abs/2509.19757 (2025).

Subtopics

1. Hybrid Search

• DEG: Efficient Hybrid Vector Search Using the Dynamic Edge Navigation Graph.
  Ziqi Yin, Jianyang Gao, Pasquale Balsebre, Gao Cong, Long Cheng.
  SIGMOD 2025.

• GeoBloom: Revisiting Lightweight Models for Geographic Information Retrieval.
  Yi Li, Gao Cong.
  PVLDB 2025.

2. Multimodal LSM Storage

• NEXT: A New Secondary Index Framework for LSM-based Data Storage.
  Jiachen Shi, Jingyi Yang, Gao Cong, and Xiao-Li Li.
  SIGMOD 2025.

• CAMAL: Optimizing LSM-trees via Active Learning.
  Weiping Yu, Siqiang Luo, Zihao Yu, Gao Cong.
  SIGMOD 2025.

3. Semantic Queries & Data Agent

• FDABench: A Benchmark for Data Agents on Analytical Queries over Heterogeneous Data.
  Ziting Wang, Shize Zhang, Haitao Yuan, Jinwei Zhu, Shifu Li, Wei Dong, Gao Cong.
  CoRR abs/2509.02473 (2025).