1459 search results - page 48 / 292 » An authorization model for temporal data |
142
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BMVC
2010
15 years 2 months ago
2010
This paper introduces a novel probabilistic activity modeling approach that mines recurrent sequential patterns from documents given as word-time occurrences. In this model, docum...
129
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KRDB
1994
15 years 5 months ago
1994
This paper presents, fromthe author's perspective, the problems that occur in practice during data modelling. The author's experiences are a result of a considerable num...
150
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TKDE
1998
15 years 4 months ago
1998
—This paper describes a unified data model that represents multimedia, timeline, and simulation data utilizing a single set of related data modeling constructs. A uniform model f...
157
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SIGMOD
2000
ACM
15 years 8 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...
119
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WSDM
2009
ACM
15 years 11 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...