118 search results - page 6 / 24 » The t4sql temporal query language |
126
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DBPL
2001
Springer
15 years 5 months ago
2001
Springer
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
216
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ICDE
1998
IEEE
16 years 2 months ago
1998
IEEE
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
SIGMOD
2003
ACM
16 years 1 months ago
2003
ACM
This paper presents a novel strategy for temporal coalescing. Temporal coalescing merges the temporal extents of value-equivalent tuples. A temporal extent is usually coalesced of...
138
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DASFAA
2011
IEEE
14 years 4 months ago
2011
IEEE
Spatio-temporal uncertainty is a special feature of moving objects due to the inability of precisely capturing or predicting their continuously changing locations. Indeterminate lo...
122
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WIDM
2006
ACM
15 years 7 months ago
2006
ACM
The preservation of digital artifacts represents an unanswered challenge for the modern information society: XML and its query languages provide an effective environment to addre...