Valid-time indeterminacy.
In valid-time indeterminacy, it is known that an event stored in a temporal database did in fact occur, but it is not known exactly when the event occurred. We extend a tuple-timestamped temporal data model to support valid-time indeterminacy and outline its implementation. This work is novel in tha...
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Language: | en |
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The University of Arizona.
1994
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Online Access: | http://hdl.handle.net/10150/186920 |