?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Salem%2C+Benferhat&rft.aulast=Salem&rft.aufirst=Benferhat&rft.date=January+2017&rft.title=A+Polynomial+Algorithm+for+Merging+Lightweight+Ontologies+in+Possibility+Theory+Under+Incommensurability+Assumption&rft.genre=proceeding