?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%2F4922%2F&rft.title=Knowledge-based+Model+Building+with+KONWERK&rft.creator=Funke%2C+B.&rft.creator=Sebastian%2C+H.-J.&rft.description=Modeling+a+real+world+optimization+problem+in+a+form+which+can+be+processed+by+a+machine+(computer)+is+usually+a+very+difficult+and+complex+task.+Therefore%2C+building+and+verifying+the+model+is+often+the+most+time+consuming+part+of+the+whole+process+of+solving+a+real+world+problem+using+methods+of+Operations+Research.+Software+tools%2C+which+integrate+representation+methods+developed+in+the+field+of+Artificial+Intelligence+(AI)+and+methods+of+OR%2C+can+facilitate+and+speed+up+the+process+of+model+development.+%0D%0A%0D%0AThe+paper+introduces+the+idea+of+knowledge+based+modeling+as+a+model+development+and+representation+technique+facilitating+the+complex+process+of+model+building.+We+describe+the+KONWERK+tool-box+which+combines+hierarchical+structured+knowledge+representation+and+object+oriented+methodology+thus+providing+a+framework+for+model+building+and+application+of+different+optimization+methods.+We+want+the+reader+to+form+an+idea+of+the+methodology+of+model+development+and+knowledge+representation+with+KONWERK+and+to+understand+the+hierarchical+structure+of+the+knowledge+base.+%0D%0A%0D%0AThe+model+of+the+Nitra+River+Case+is+used+to+describe+and+explain+the+modeling+and+knowledge+representation+with+KONWERK.+A+given+multicriteria+model+of+the+Nitra+River+Case+was+reimplemented+using+KONWERK+within+about+three+weeks+and+later+enlarged+by+implementation+of+additional+fairness+criteria.&rft.publisher=WP-96-105&rft.date=1996-09&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4922%2F1%2FWP-96-105.pdf&rft.identifier=++Funke%2C+B.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1269.html%3E+%26+Sebastian%2C+H.-J.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1562.html%3E++(1996).++Knowledge-based+Model+Building+with+KONWERK.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-96-105+++++