4137 search results - page 681 / 828 » Managing Expressions as Data in Relational Database Systems |
179
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MOBIDE
2003
ACM
15 years 11 months ago
2003
ACM
This paper presents TiNA, a scheme for minimizing energy consumption in sensor networks by exploiting end-user tolerance to temporal coherency. TiNA utilizes temporal coherency to...
177
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
A new access method, called M-tree, is proposed to organize and search large data sets from a generic "metric space", i.e. where object proximity is only defined by a di...
270
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GIS
2009
ACM
2009
ACM
Web 2.0 Geospatial Visual Analytics for Improved Urban Flooding Situational Awareness and Assessment
16 years 7 months ago
Situational awareness of urban flooding during storm events is important for disaster and emergency management. However, no general purpose tools yet exist for rendering rainfall ...
169
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CCS
2006
ACM
15 years 10 months ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
159
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UIST
2005
ACM
15 years 12 months ago
2005
ACM
System administrators work with many different tools to manage and fix complex hardware and software infrastructure in a rapidly paced work environment. Through extensive field st...