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cs.DB2026
In-memory Multidimensional Indexing Using the skd-tree
Achilleas Michalopoulos, Dimitrios Tsitsigkos, Nikos Mamoulis
In this paper, we revisit the problem of indexing multi-dimensional data in memory for the efficient support of multi-dimensional range queries and nearest neighbor queries. This i…
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…