641 search results - page 121 / 129 » Temporal Queries in OLAP |
CIVR
2003
Springer
15 years 4 months ago
2003
Springer
In this paper, a new two-phase scheme for video similarity detection is proposed. For each video sequence, we extract two kinds of signatures with different granularities: coarse ...
CIKM
2001
Springer
15 years 4 months ago
2001
Springer
This paper addresses the problem of automatic detection of salient video segments for real-world applications such as corporate training based on associated speech transcriptions....
106
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SIGMOD
2000
ACM
15 years 4 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
COSIT
1997
Springer
15 years 3 months ago
1997
Springer
Current geographic information systems (GISs) have been designed for querying and maintaining static databases representing static phenomena and give little support to those users ...
104
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ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...