@conference {komninos2011application, title = {Application of dimensionality reduction techniques for mobile social context}, booktitle = {Proceedings of the 13th international conference on Ubiquitous computing}, year = {2011}, pages = {583{\textendash}584}, publisher = {ACM}, organization = {ACM}, address = {Beijing, China}, keywords = {Context awareness, Dimensionality reduction, Mobile Personal Information Access}, doi = {10.1145/2030112.2030224}, author = {Andreas Komninos and Athanasios Plessas and Vasilios Stefanis and John Garofalakis} } @conference {komninos2011context, title = {Context Dimensionality Reduction for Mobile Personal Information Access.}, booktitle = { International Conference on Knowledge Discovery and Information Retrieval (KDIR {\textquoteright}11)}, year = {2011}, pages = {493{\textendash}498}, publisher = {IC3K}, organization = {IC3K}, address = {Paris, France}, keywords = {Context awareness, Dimensionality reduction, Mobile Personal Information Access}, author = {Andreas Komninos and Athanasios Plessas and Vasilios Stefanis and John Garofalakis} }