div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader030fdocumentsusreader030viewer202203242055a4f2291a28ab3d038b4664html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: GroupFun design process poster src=https:reader030fdocumentsusreader030viewer202203242055a4f2291a28ab3d038b4664html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divpGroupFun Design ProgressGroup and Social Music Recommender Systemp pGeorge Popescu LAMS Pearl Pu HCIFaculty of Computer Communication Sciences IC École Polytechnique Fédérale de Lausannep pv1p pv2p pv3p pv4p pv5p pv6pdiv