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Valid time

Known as: Valid-time 
In temporal databases, valid time (VT) is the time period during which a database fact is valid in the modeled reality. As of December 2011, ISO/IEC… Expand
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Papers overview

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Highly Cited
2013
Highly Cited
2013
We introduce the temporal component of the stRDF data model and the stSPARQL query language, which have been recently proposed… Expand
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2008
2008
In this paper, we prove the decidability of the minimal and maximal reachability problems for multi-priced timed automata, an… Expand
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Highly Cited
2008
Highly Cited
2008
Data warehousing and mining : concepts, methodologies, tools and applications / John Wang, editor. p. cm. Summary: "This… Expand
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2006
2006
In this paper, we present the ArchIS system that achieves full-functionality transaction-time databases without requiring… Expand
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Highly Cited
2005
Highly Cited
2005
The Resource Description Framework (RDF) is a metadata model and language recommended by the W3C. This paper presents a framework… Expand
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Highly Cited
2005
Highly Cited
2005
In this paper, we prove decidability of the optimal conditional reachability problem for multi-priced timed automata, an… Expand
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Highly Cited
1999
Highly Cited
1999
Motivated to a large extent by the substantial and growing prominence of the World-Wide Web and the potential benefits that may… Expand
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1999
1999
We present an approach, named MAP21, which uses standard B/sup +/-trees to provide efficient indexing of valid time ranges. The… Expand
Highly Cited
1998
Highly Cited
1998
In valid-time indeterminacy it is known that an event stored in a database did in fact occur, but it is not known exactly when… Expand
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Highly Cited
1996
Highly Cited
1996
This change proposal specifies the addition of tables with valid-time support into SQL/Temporal, and explains how to use these… Expand
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