?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Venanzi%2C+Matteo&rft.aulast=Venanzi&rft.aufirst=Matteo&rft.date=2015&rft.title=Bayesian+modelling+of+community-based+multidimensional+trust+in+participatory+sensing+under+data+sparsity&rft.genre=proceeding