Snapshot Semantics for Temporal Multiset Relations (Extended Version)

  title={Snapshot Semantics for Temporal Multiset Relations (Extended Version)},
  author={Anton Dignos and Boris Glavic and Xing Niu and M. Bohlen and Johann Gamper},
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 snapshot aggregation and bag difference. We introduce a novel temporal data model based on K-relations that overcomes these bugs and prove it to correctly… CONTINUE READING
This paper has been referenced on Twitter 1 time. VIEW TWEETS


Publications citing this paper.

Similar Papers

Loading similar papers…