448 search results - page 22 / 90 » System design issues in sensor databases |
PODS
2005
ACM
14 years 9 months ago
2005
ACM
Schema mappings are high-level specifications that describe the relationship between database schemas. Schema mappings are prominent in several different areas of database managem...
IPSN
2007
Springer
14 years 2 months ago
2007
Springer
We introduce a novel laser spectroscopic trace-gas sensor platform, LaserSPECks that integrates recently developed miniature quartz-enhanced photoacoustic spectroscopy (QEPAS) gas...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
In a distributed sensor network, large number of sensors deployed which communicate among themselves to selforganize a wireless ad hoc network. We propose an energyefficient level...
MOBICOM
2005
ACM
14 years 2 months ago
2005
ACM
Wireless sensor networks (WSNs) are typically characterized by a limited energy supply at sensor nodes. Hence, energy efficiency is an important issue in the system design and op...
GIS
2009
ACM
2009
ACM
Web 2.0 Geospatial Visual Analytics for Improved Urban Flooding Situational Awareness and Assessment
14 years 9 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 ...