Ilyes Jenhani Nahla Ben Amor Zied Elouedi Salem Benferhat Khaled Mellouli Information Affinity: A New Similarity Measure for Possibilistic Uncertain Information. 840-852 2007 conf/ecsqaru/2007 ECSQARU http://dx.doi.org/10.1007/978-3-540-75256-1_73 db/conf/ecsqaru/ecsqaru2007.html#JenhaniAEBM07