Mining Social Networks for Local Search and Location-Based Recommender Systems (Fabio Gasparetti, Damianos Gavalas, Sergio Ilarri, Francesco Ricci and Zhiwen Yu), In Personal and Ubiquitous Computing, Print ISSN 1617-4909 Online ISSN 1617-4917, Springer, volume 23, 2019.[bibtex][doi]