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cs.DB2026
TEngineDB-V: An OLAP-Native Vector Search System for Large- Workloads at Tencent
Xufei Wu, Pengcheng Zhang, Yitong Song +11
Vector search systems are essential infrastructure for modern data-driven applications. Large- analytical vector search, which retrieves -- results for analytics (…
cs.DB2026
CLIP: Lightweight Cosine-Law-Based Inverted-List Pruning for IVF-Based Vector Search
Yitong Song, Shuhang Lu, Pengcheng Zhang +1
Vector search has become a core component of modern multimodal retrieval systems. Among existing methods, inverted file (IVF)-based methods are widely adopted due to their scalabil…
cs.DB2025
TRIM: Accelerating High-Dimensional Vector Similarity Search with Enhanced Triangle-Inequality-Based Pruning
Yitong Song, Pengcheng Zhang, Chao Gao +4
High-dimensional vector similarity search (HVSS) is critical for many data processing and AI applications. However, traditional HVSS methods often require extensive data access for…