?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=New+operators+for+non-functional+genetic+improvement&rft.creator=Petke%2C+J&rft.description=Genetic+improvement+uses+automated+search+to+find+improved+versions+of+existing+software.+Typically+software+is+modified+using+either+delete%2C+copy+or+replace+operations+at+the+level+of+source+code%2C+its+abstract+syntax+tree%2C+binary+or+assembly+representaion.+Impressive+improvements+have+been+achieved+through+this+approach%2C+yet+research+in+the+use+of+other+search+operators+is+largely+unexplored.+We+propose+several+ways+for+devising+new+search+operators+for+improvement+of+non-functional+properties+using+a+genetic+improvement+apporach.&rft.publisher=ACM&rft.date=2017-07-15&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceeding+GECCO+'17+Proceedings+of+the+Genetic+and+Evolutionary+Computation+Conference+Companion.++(pp.+pp.+1541-1542).++ACM%3A+New+York%2C+NY%2C+USA.+(2017)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10026642%2F1%2FPetke_gi2017_1.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10026642%2F&rft.rights=open