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» Mobile data collection in sensor networks: The TinyLime
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SSDBM
2007
IEEE
212views Database» more  SSDBM 2007»
14 years 3 months ago
Adaptive-Size Reservoir Sampling over Data Streams
Reservoir sampling is a well-known technique for sequential random sampling over data streams. Conventional reservoir sampling assumes a fixed-size reservoir. There are situation...
Mohammed Al-Kateb, Byung Suk Lee, Xiaoyang Sean Wa...
TWC
2011
417views more  TWC 2011»
13 years 3 months ago
A Spatiotemporal Approach for Secure Range Queries in Tiered Sensor Networks
Abstract—We target a two-tier sensor network with resourcerich master nodes at the upper tier and resource-poor sensor nodes at the lower tier. Master nodes collect data from sen...
Jing Shi, Rui Zhang, Yanchao Zhang
LOCA
2005
Springer
14 years 2 months ago
Mobile Context Inference Using Low-Cost Sensors
In this paper, we introduce a compact system for fusing location data with data from simple, low-cost, non-location sensors to infer a user’s place and situational context. Speci...
Evan Welbourne, Jonathan Lester, Anthony LaMarca, ...
PODC
2010
ACM
14 years 22 days ago
Finding mobile data under delay constraints with searching costs
A token is hidden in one of several boxes and then the boxes are locked. The probability of placing the token in each of the boxes is known. A searcher is looking for the token by...
Amotz Bar-Noy, Panagiotis Cheilaris, Yi Feng 0002,...
WH
2010
151views Healthcare» more  WH 2010»
13 years 3 months ago
AndWellness: an open mobile system for activity and experience sampling
Advances in mobile phone technology have allowed phones to become a convenient platform for real-time assessment of a participants health and behavior. AndWellness, a personal dat...
John Hicks, Nithya Ramanathan, Donnie H. Kim, Moha...