3 papers
cs.DB2026
Toward Temporal Attribution Analytics in Dataflows
Chrysanthi Kosyfaki, Ruiyuan Zhang, Nikos Mamoulis +1
Data provenance (the process of determining the origin and derivation of data outputs) has applications across multiple domains including explaining database query results and audi…
cs.DB2025
Multi-granularity Spatiotemporal Flow Patterns
Chrysanthi Kosyfaki, Nikos Mamoulis, Reynold Cheng +1
Analyzing flow of objects or data at different granularities of space and time can unveil interesting insights or trends. For example, transportation companies, by aggregating pass…
cs.DB2025
BS-tree: A gapped data-parallel B-tree
Dimitrios Tsitsigkos, Achilleas Michalopoulos, Nikos Mamoulis +1
We propose BS-tree, an in-memory implementation of the B+-tree that adopts the structure of the disk-based index (i.e., a balanced, multiway tree), setting the node size to a memor…