2015
DOI: 10.3390/s150715033
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A Novel Two-Tier Cooperative Caching Mechanism for the Optimization of Multi-Attribute Periodic Queries in Wireless Sensor Networks

Abstract: Wireless sensor networks, serving as an important interface between physical environments and computational systems, have been used extensively for supporting domain applications, where multiple-attribute sensory data are queried from the network continuously and periodically. Usually, certain sensory data may not vary significantly within a certain time duration for certain applications. In this setting, sensory data gathered at a certain time slot can be used for answering concurrent queries and may be reuse… Show more

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Cited by 15 publications
(2 citation statements)
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“…In [ 30 , 31 , 32 ], various caching techniques are proposed to conserve the network resources of sensor nodes when they are integrated with the sensor-cloud. The caching mechanisms are normally supported by the cloud and deployed at gateways.…”
Section: Related Workmentioning
confidence: 99%
“…In [ 30 , 31 , 32 ], various caching techniques are proposed to conserve the network resources of sensor nodes when they are integrated with the sensor-cloud. The caching mechanisms are normally supported by the cloud and deployed at gateways.…”
Section: Related Workmentioning
confidence: 99%
“…Though mobile Internet services are very convenient in daily life [9], it generates too much data to make the system overloaded. Load balance could relieve pressure to some extent, but it might also put a negative impact on system performance.…”
Section: Introductionmentioning
confidence: 99%