21993 search results - page 446 / 4399 » Evolution of Data Models |
151
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JCIT
2008
15 years 6 months ago
2008
This paper was utilized robust model to simulate sea surface current pattern. The horizontal surface velocity model was modified based on the Doppler frequency theory to model the...
149
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INFOCOM
2009
IEEE
16 years 1 months ago
2009
IEEE
— This paper presents Pirrus, a replica management system that addresses the problem of providing data availability on a wireless sensor network. Pirrus uses probabilistic failur...
201
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GIS
2009
ACM
15 years 11 months ago
2009
ACM
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
196
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GISCIENCE
2010
Springer
2010
Springer
Efficient Data Collection and Event Boundary Detection in Wireless Sensor Networks Using Tiny Models
15 years 7 months ago
Using wireless geosensor networks (WGSN), sensor nodes often monitor a phenomenon that is both continuous in time and space. However, sensor nodes take discrete samples, and an ana...
162
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ER
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. While most data analysis and decision support tools use numerical aspects of the data, Conceptual Information Systems focus on their conceptual structure. This paper disc...