1459 search results - page 32 / 292 » An authorization model for temporal data |
140
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JOT
2006
15 years 4 months ago
2006
Many data base applications require the storage and manipulation of different versions of data objects. To satisfy the diverse needs of these applications, current database system...
221
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ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
127
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TMI
2002
15 years 3 months ago
2002
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each voxel is modeled as an ...
237
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ICDE
2002
IEEE
16 years 5 months ago
2002
IEEE
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
146
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MMM
2008
Springer
15 years 10 months ago
2008
Springer
3D motion capture is a form of multimedia data that is widely used in animation and medical fields (such as physical medicine and rehabilitation where body joint analysis is neede...