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cs.DB2025
Filter-Centric Vector Indexing: Geometric Transformation for Efficient Filtered Vector Search
Alireza Heidari, Wei Zhang
The explosive growth of vector search applications demands efficient handling of combined vector similarity and attribute filtering; a challenge where current approaches force an u…
cs.DB2025
DobLIX: A Dual-Objective Learned Index for Log-Structured Merge Trees
Alireza Heidari, Amirhossein Ahmadi, Wei Zhang
In this paper, we introduce DobLIX, a dual-objective learned index specifically designed for Log-Structured Merge(LSM) tree-based key-value stores. Although traditional learned ind…