2 papers
cs.IR2026
ANN Search: Recall What Matters
Dimitris Dimitropoulos, Nikos Mamoulis
Approximate nearest neighbor (ANN) search has become a core primitive in information retrieval and modern machine learning tasks, from classification to retrieval-augmented generat…
cs.DB2026
CRISP: Correlation-Resilient Indexing via Subspace Partitioning
Dimitris Dimitropoulos, Achilleas Michalopoulos, Dimitrios Tsitsigkos +1
As the dimensionality of modern learned representations increases to thousands of dimensions, the state-of-the-art Approximate Nearest Neighbor (ANN) indices exhibit severe limitat…