Title
Community Similarity Networks
Abstract
Sensor-enabled smartphones are opening a new frontier in the development of mobile sensing applications. The recognition of human activities and context from sensor data using classification models underpins these emerging applications. However, conventional approaches to training classifiers struggle to cope with the diverse user populations routinely found in large-scale popular mobile applications. Differences between users (e.g., age, sex, behavioral patterns, lifestyle) confuse classifiers, which assume everyone is the same. To address this, we propose Community Similarity Networks (CSN), which incorporates inter-person similarity measurements into the classifier training process. Under CSN, every user has a unique classifier that is tuned to their own characteristics. CSN exploits crowd-sourced sensor data to personalize classifiers with data contributed from other similar users. This process is guided by similarity networks that measure different dimensions of inter-person similarity. Our experiments show CSN outperforms existing approaches to classifier training under the presence of population diversity.
Year
DOI
Venue
2014
10.1007/s00779-013-0655-1
Personal and Ubiquitous Computing
Keywords
DocType
Volume
unique classifier,classifier training process,similarity network,classifiers struggle,inter-person similarity measurement,inter-person similarity,large-scale popular mobile application,similar user,sensor data,community similarity networks,diverse user population
Journal
18
Issue
ISSN
Citations 
2
1617-4917
6
PageRank 
References 
Authors
0.57
22
7
Name
Order
Citations
PageRank
Nicholas D. Lane14247248.15
Ye Xu227514.97
Hong Lu32730150.65
Shaohan Hu4334.93
Tanzeem Choudhury54137306.53
Andrew T. Campbell68958759.66
Feng Zhao74593455.17