3891 search results - page 375 / 779 » Query Models |
127
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TIME
2003
IEEE
15 years 10 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
140
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TOOLS
2000
IEEE
15 years 9 months ago
2000
IEEE
Many data objects in the real world have attributes about location and time. Such spatiotemporal objects can be found in applications such Geographic Information Systems (GIS), env...
163
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HIS
2008
15 years 6 months ago
2008
The requirements imposed on information retrieval systems are increasing steadily. The vast number of documents in today's large databases and especially on World Wide Web ca...
139
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TAMODIA
2008
15 years 6 months ago
2008
Abstract. The successful application of ubiquitous computing in crisis management requires a thorough understanding of the mechanisms that extract information from sensors and comm...
148
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DLOG
2003
15 years 6 months ago
2003
An object-oriented software design is often modelled as a collection of UML diagrams. There is an inherent need to preserve the consistency between these diagrams. Moreover, throu...