Snapshot Semantics for Temporal Multiset Relations
PVLDB, pp. 639-652, 2019.
Snapshot semantics is widely used for evaluating queries over temporal data: temporal relations are seen as sequences of snapshot relations, and queries are evaluated at each snapshot. In this work, we demonstrate that current approaches for snapshot semantics over interval-timestamped multiset relations are subject to two bugs regarding ...More
Full Text (Upload PDF)
PPT (Upload PPT)