Author

Duo Lu

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Preprint Sep 2026

VADER: Filtered Vector Search with Declarative Recall

Approximate filtered vector search (FVS), a core operation in many data management tasks that combine structured data with vector embeddings, exhibits increased complexity due to the characteristics of filtering predicates. Each predicate is defined by selectivity (i.e., the fraction of vectors that satisfy the predica...

Manos Chatzakis, Duo Lu, Helena Caminal et al. · 0 citations

#artificial intelligence Preprint Aug 2026

Credo: Reusable Declarative Primitives for Agentic Workflows

Preliminary results are provided demonstrating the potential of Credo's approach and a related research agenda is laid out that the database community is well-positioned to tackle, including cost-based compilation over declarative catalogs and catalog maintenance under model and workload drift.

Duo Lu, Andrew Crotty, Ugur Çetintemel · 0 citations