ian miguel tjltdcsstandacuk apologies multiple copies call papers participation fifth international workshop constraint modelling reformulation held 12th international conference principles practice constraint programming cp 2006 nantes france 25 september 2006 constraint programming cp powerful technology solve combinatorial problems ubiquitous academia industry last ten years witnessed significant research devoted modelling solving problems constraints cp mature field successfully used tackling wide range reallife complex applications however technology currently accessible small number experts cp widely used nonexperts research effort needed order ease use cp technology solicit original papers contribute widen use cp technology workshop topics include limited application papers describing interesting problems interesting ways model contributions understanding modelling could guide manual automatic formulation models identification criteria used evaluating models design pragmatic techniques facilitate choice among alternative models design modelling languages automatic reformulation techniques submission workshop open members cp community submit paper workshop please email tjltdcsstandacuk ps pdf file lncs conference style papers exceed 15 pages organising committee acknowledge submissions submitted paper acknowledged 2 working days authors kindly asked contact chairs submissions reviewed present significant contribution workshop topics accepted publication workshop proceedings proceedings available electronically workshop page hard copy day workshop participation least one author accepted submission must attend workshop present work important dates submission deadline 14 july 2006 notification acceptance 31 july 2006 camera ready deadline 11 august 2006 workshop 25 september 2006 cp early registration deadline 15 august 2006 information cp06 conference httpwwwsciencesunivnantesfrcp06 modelling workshop httpwwwcsucciecp06cp06html programme committee marco cadoli universita di roma la sapienza italy alan frisch university york uk brahim hnich izmir university economics turkey jimmy lee chinese university hong kong china ian miguel cochair university st andrews uk steve prestwich cochair university college cork ireland paul shaw ilog sa france peter stuckey university melbourne australia michael trick carnegie mellon university usa thu 07 aug 2008 061916 0100 uai cfp 5th international workshop constraint modelling reformulation