(Enter summary)
Abstract: Temporal Databases
ffl relational database with an additional data type:
) (discrete) linear order (T ; !) of time instants
ffl leads to very large (potentially infinite) relations
Concrete Temporal Databases
ffl a compact encoding of Abstract TDBs
) semantics given by mapping (k:k) to Abstract TDBs
David Toman, BRICS
Abstract vs. Concrete terminology applies to tuples, relations, and databases in the
expected way.
4
2
Running Example
Works
Name Company Year
John IBM 1990
John IBM... (Update)
Context of citations to this paper: More
...using constraints. Constraint databases nd numerous applications in spatial [BJM93, BK95, BLLM95, PVdBVG94, VGVG95] temporal [Cho94, Tom97], and spatiotemporal databases [GRS98a, GRS99] A variety of constraint languages have been proposed, including dense order constraints,...
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BibTeX entry: (Update)
D. Toman. Point-based Temporal Extensions of SQL. In International Conference on Deductive and Object-Oriented Databases, 1997. http://citeseer.ist.psu.edu/105801.html More
@inproceedings{ toman97pointbased,
author = "D. Toman",
title = "{Point-based Temporal Extensions of {SQL}}",
booktitle = "Proceedings of the 5th International Conference on Deductive and Object-Oriented Databases ({DOOD})",
volume = "1341",
publisher = "Springer-Verlag",
editor = "François Bry and Raghu Ramakrishnan and Kotagiri Ramamohanaroa",
year = "1997",
url = "citeseer.ist.psu.edu/105801.html" }
Citations (may not include all citations):
83
The Temporal Query Language TQuel (context) - Snodgrass - 1987
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Temporal Versus First-Order Logic to Query Temporal Database..
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The Interval-extended Relational Model and Its Application t.. (context) - Lorentzos - 1993
18
Querying TSQL2 Databases with Temporal Logic
- ohlen, Chomicki et al. - 1996
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