Valid-time indeterminacy in temporal relational databases: A family of data models

Luca Anselma, Paolo Terenziani, Richard T. Snodgrass

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Abstract

Valid-time indeterminacy concerns not knowing exactly when a fact holds in the modeled reality. In this paper, we first propose a reference approach (data model and algebra) in which all possible temporal scenarios induced by valid-time indeterminacy can be extensionally modeled. We then specify a family of sixteen more compact representational data models. We demonstrate their correctness with respect to the reference approach and analyze several properties, including their data expressiveness and correctness with respect to the reference approach. Finally, we compare these compact models along several relevant dimensions.

Original languageEnglish (US)
Title of host publicationProceedings - 17th International Symposium on Temporal Representation and Reasoning, TIME 2010
Pages139-145
Number of pages7
DOIs
StatePublished - Dec 1 2010
Event17th International Symposium on Temporal Representation and Reasoning, TIME 2010 - Paris, France
Duration: Sep 6 2010Sep 8 2010

Publication series

NameProceedings - 17th International Symposium on Temporal Representation and Reasoning, TIME 2010

Other

Other17th International Symposium on Temporal Representation and Reasoning, TIME 2010
CountryFrance
CityParis
Period9/6/109/8/10

Keywords

  • Data models and algebras
  • Temporal relational database
  • Valid-time indeterminacy

ASJC Scopus subject areas

  • Logic

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    Anselma, L., Terenziani, P., & Snodgrass, R. T. (2010). Valid-time indeterminacy in temporal relational databases: A family of data models. In Proceedings - 17th International Symposium on Temporal Representation and Reasoning, TIME 2010 (pp. 139-145). [5601875] (Proceedings - 17th International Symposium on Temporal Representation and Reasoning, TIME 2010). https://doi.org/10.1109/TIME.2010.15