?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4588%2F&rft.title=Regret+Analysis+for+River+Water+Quality+Management&rft.creator=Jolma%2C+A.&rft.description=The+treatment+of+uncertainty+inherent+in+water+quality+policy+development+and+related+modeling+is+a+key+issue.+This+is+particularly+true+in+the+Central+and+Eastern+European+region+which+is+characterized+by+high+pollution+levels%2C+strong+economic+transition%2C+lack+of+financial+resources+and+scarce+and+imprecise+data+availability.+Possibilities+to+account+for+uncertainties+in+policy+development+by+a+regret+analysis+approach+were+studied.+The+risks+associated+with+regret+in+decision+making+were+qualitatively+and+quantitatively+defined.+The+design+of+a+decision+making+procedure+where+these+risks+are+accounted+for+was+analyzed+from+a+theoretical+and+practical+viewpoint.+A+regret+analysis+procedure+was+implemented+within+an+experimental+decision+support+system+(DSS)+for+water+quality+management+of+a+river.+This+system+was+tested+with+a+hypothetical+situation+where+the+best+option+of+upgrading+of+a+number+of+waste+water+treatment+plants+was+to+be+selected+from+a+small+set+of+possible+options.+The+main+problem+of+analyses+of+this+kind+is+the+curse+of+dimensionality.+The+study+shows+that+a+modular+approach%2C+which+uses+already+available+software+components+and+models%2C+speeds+up+the+building+of+a+DSS.&rft.publisher=WP-95-004&rft.date=1995-01&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4588%2F1%2FWP-95-004.pdf&rft.identifier=++Jolma%2C+A.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1349.html%3E+ORCID%3A+https%3A%2F%2Forcid.org%2F0000-0002-3490-7490+%3Chttps%3A%2F%2Forcid.org%2F0000-0002-3490-7490%3E++(1995).++Regret+Analysis+for+River+Water+Quality+Management.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-95-004+++++