La rA(c)volution des annA(c)es 90 en termes de prA(c)vention puis de thA(c)rapeutique (traitements de substitution aux opiacA(c)s, antirA(c)troviraux, bi-thA(c)rapie anti-HVC) pour les usagers de drogues a eu des effets spectaculaires mais a atteint ses limites dans certaines populations (co-infection par le VIH/VHC, comorbiditA(c)s psychiatriques et/ou addictives) ou contextes (prison ou prA(c)caritA(c) sociale par exemple). A travers l'exploitation des donnA(c)es de 2 cohortes franAaises importantes, d'une A(c)tude transversale majeure et une revue de la littA(c)rature, ce travail a...

This book constitutes the proceedings of the 12th International Conference on the Integration of Artificial Intelligence (AI) and Operations Research (OR) Techniques in Constraint Programming, CPAIOR 2015, held in Barcelona, Spain, in May 2015. The 29 papers presented together with 8 short papers in this volume were carefully reviewed and selected from 90 submissions. The purpose of the conference series is to bring together researchers in the fields of Constraint Programming, Artificial Intelligence and Operations Research to explore ways of solving hard and large scale combinatorial...