2 papers
cs.LG2025
Sig2Model: A Boosting-Driven Model for Updatable Learned Indexes
Alireza Heidari, Amirhossein Ahmad, Wei Zhang +1
Learned Indexes (LIs) represent a paradigm shift from traditional index structures by employing machine learning models to approximate the cumulative distribution function (CDF) of…
cs.IR2025
FusedANN: Convexified Hybrid ANN via Attribute-Vector Fusion
Alireza Heidari, Wei Zhang, Ying Xiong
Vector search powers transformers technology, but real-world use demands hybrid queries that combine vector similarity with attribute filters (e.g., "top document in category X, fr…