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20242026
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cs.DB2026

All-in-one Graph-based Indexing for Hybrid Search on GPUs

Zhonggen Li, Yougen Li, Yifan Zhu +3

Hybrid search has emerged as a promising paradigm that combines lexical and semantic retrieval, enhancing accuracy for applications such as recommendations, information retrieval,…

cs.DB2025

Balancing the Blend: An Experimental Analysis of Trade-offs in Hybrid Search

Mengzhao Wang, Boyu Tan, Yunjun Gao +5

Hybrid search, the integration of lexical and semantic retrieval, has become a cornerstone of modern information retrieval systems, driven by demanding applications like Retrieval-…

cs.DB2025

Scalable Graph Indexing using GPUs for Approximate Nearest Neighbor Search

Zhonggen Li, Xiangyu Ke, Yifan Zhu +3

Approximate nearest neighbor search (ANNS) in high-dimensional vector spaces has a wide range of real-world applications. Numerous methods have been proposed to handle ANNS efficie…

cs.DB2025

Stitching Inner Product and Euclidean Metrics for Topology-aware Maximum Inner Product Search

Tingyang Chen, Cong Fu, Xiangyu Ke +3

Maximum Inner Product Search (MIPS) is a fundamental challenge in machine learning and information retrieval, particularly in high-dimensional data applications. Existing approache…

cs.DB2025

Maximum Inner Product is Query-Scaled Nearest Neighbor

Tingyang Chen, Cong Fu, Kun Wang +5

Maximum Inner Product Search (MIPS) for high-dimensional vectors is pivotal across databases, information retrieval, and artificial intelligence. Existing methods either reduce MIP…

cs.DB2025

Empowering Graph-based Approximate Nearest Neighbor Search with Adaptive Awareness Capabilities

Jiancheng Ruan, Tingyang Chen, Renchi Yang +2

Approximate Nearest Neighbor Search (ANNS) in high-dimensional spaces finds extensive applications in databases, information retrieval, recommender systems, etc. While graph-based…