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» Quality-aware sensor data collection
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MOBISYS
2010
ACM
13 years 11 months ago
ParkNet: drive-by sensing of road-side parking statistics
Urban street-parking availability statistics are challenging to obtain in real-time but would greatly benefit society by reducing traffic congestion. In this paper we present the ...
Suhas Mathur, Tong Jin, Nikhil Kasturirangan, Jana...
ICDM
2002
IEEE
130views Data Mining» more  ICDM 2002»
14 years 1 months ago
Unsupervised Segmentation of Categorical Time Series into Episodes
This paper describes an unsupervised algorithm for segmenting categorical time series into episodes. The VOTING-EXPERTS algorithm first collects statistics about the frequency an...
Paul R. Cohen, Brent Heeringa, Niall M. Adams
SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
14 years 8 months ago
Secure outsourced aggregation via one-way chains
We consider the Outsourced Aggregation model, where sensing services outsource their sensor data collection and aggregation tasks to third-party service providers called aggregato...
Suman Nath, Haifeng Yu, Haowen Chan
LOCA
2007
Springer
14 years 2 months ago
Localizing Tags Using Mobile Infrastructure
This paper presents algorithms, simulations, and empirical results of a system that finds relative tag positions in 3D space using a new approach called “mobile infrastructure....
Ying Zhang, Kurt Partridge, Jim Reich
IV
2005
IEEE
113views Visualization» more  IV 2005»
14 years 2 months ago
Design of a Pressure Sensitive Floor for Multimodal Sensing
Visualization and knowledge of detailed pressure information can play a vital role in multimodal sensing of human movement. We have designed a highresolution pressure sensing floo...
Prashant Srinivasan, David Birchfield, Gang Qian, ...