Ilyes Jenhani Zied Elouedi Nahla Ben Amor Khaled Mellouli Qualitative Inference in Possibilistic Option Decision Trees. 944-955 2005 conf/ecsqaru/2005 ECSQARU http://dx.doi.org/10.1007/11518655_79 db/conf/ecsqaru/ecsqaru2005.html#JenhaniEAM05