1180 search results - page 140 / 236 » A Logical Data Model for Integrated Geographical Databases |
147
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GIS
2010
ACM
15 years 3 months ago
2010
ACM
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
157
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SP
1997
IEEE
15 years 8 months ago
1997
IEEE
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
157
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BMCBI
2006
15 years 4 months ago
2006
Background: The emerging field of integrative bioinformatics provides the tools to organize and systematically analyze vast amounts of highly diverse biological data and thus allo...
152
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PODS
1998
ACM
15 years 8 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
153
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EAGC
2004
Springer
15 years 9 months ago
2004
Springer
Data streams are a prevalent and growing source of timely data. As streams become more prevalent, richer interrogation of the contents of the streams are required. Value of the con...