1459 search results - page 19 / 292 » An authorization model for temporal data |
ECOI
2006
14 years 11 months ago
2006
Ecological data can be difficult to collect, and as a result, some important temporal ecological datasets contain irregularly sampled data. Since many temporal modelling technique...
122
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KR
1998
Springer
15 years 3 months ago
1998
Springer
This paper presents a formal theory for reasoning about motion of spatial entities, in a qualitative framework. Taking over a theory intended forspatial entities, we enrich ittoac...
107
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ISM
2006
IEEE
14 years 11 months ago
2006
IEEE
In this work, we propose new graph-based data model and indexing to organize and manage video data. To consider spatial and temporal characteristics of video, we introduce a new g...
VLDB
1992
ACM
15 years 3 months ago
1992
ACM
This paper considers the problem of adding list as a type constructor to an object-oriented data model. In particular, we are concerned with how lists in a database can be constru...
104
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ER
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...