A Collaborative Context Prediction Technique

The prediction of contexts plays an important part in the field of context aware systems and environments for adapting services proactively to users' needs. To the best of our knowledge, most research literature on context prediction focused on forecasting a user's contexts only using his available context history. In the case of a user suddenly changing his behaviour in an unexpected way, the context history of the user does not provide future context information for the observed pattern. Hence context prediction algorithms will fail to forecast the appropriate future context. To overcome the gap of missing context information in the user's context history, we propose the Collaborative Context Prediction (CCP) approach. Our results show that the proposed CCP approach is able to give accurate predictions in the absence of needed context information and outperforms the Active LeZi method.

[1]  Diane J. Cook,et al.  Active Lezi: an Incremental Parsing Algorithm for Sequential Prediction , 2004, Int. J. Artif. Intell. Tools.

[2]  Yong-Hyuk Kim,et al.  Probabilistic context prediction using time-inferred multiple pattern networks , 2010, SAC '10.

[3]  Thad Starner,et al.  Using GPS to learn significant locations and predict movement across multiple users , 2003, Personal and Ubiquitous Computing.

[4]  Diane J. Cook,et al.  MavHome: an agent-based smart home , 2003, Proceedings of the First IEEE International Conference on Pervasive Computing and Communications, 2003. (PerCom 2003)..

[5]  Tamara G. Kolda,et al.  Tensor Decompositions and Applications , 2009, SIAM Rev..

[6]  Stephan Sigg,et al.  A Novel Approach to Context Prediction in UBICOMP Environments , 2006, 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications.

[7]  Sian Lun Lau,et al.  Supporting patient monitoring using activity recognition with a smartphone , 2010, 2010 7th International Symposium on Wireless Communication Systems.

[8]  Stephan Sigg,et al.  An Alignment Approach for Context Prediction Tasks in UbiComp Environments , 2010, IEEE Pervasive Computing.

[9]  Panagiotis Symeonidis,et al.  Tag recommendations based on tensor dimensionality reduction , 2008, RecSys '08.

[10]  Joos Vandewalle,et al.  A Multilinear Singular Value Decomposition , 2000, SIAM J. Matrix Anal. Appl..

[11]  Lars Schmidt-Thieme,et al.  Pairwise interaction tensor factorization for personalized tag recommendation , 2010, WSDM '10.

[12]  Winfried Lamersdorf,et al.  Structured context prediction: a generic approach , 2010, DAIS'10.

[13]  Li Wei,et al.  Experiencing SAX: a novel symbolic representation of time series , 2007, Data Mining and Knowledge Discovery.