@inproceedings{drosatos2015pythia,

title = {Pythia: A privacy-enhanced personalized contextual suggestion system for tourism},

author = {George Drosatos and Pavlos Efraimidis and Avi Arampatzis and Giorgos Stamatelatos and Ioannis N Athanasiadis},

year  = {2015},

date = {2015-01-01},

booktitle = {2015 IEEE 39th Annual Computer Software and Applications Conference},

volume = {2},

pages = {822--827},

organization = {IEEE},

keywords = {},

pubstate = {published},

tppubtype = {inproceedings}

}

@inproceedings{drosatos2013duth,

title = {DUTH at TREC 2013 Contextual Suggestion Track.},

author = {George Drosatos and Giorgos Stamatelatos and Avi Arampatzis and Pavlos Efraimidis},

year  = {2013},

date = {2013-01-01},

booktitle = {TREC},

keywords = {},

pubstate = {published},

tppubtype = {inproceedings}

}