@misc{HillerKlugWitzig, author = {Hiller, Benjamin and Klug, Torsten and Witzig, Jakob}, title = {Reoptimization in branch-and-bound algorithms with an application to elevator control}, issn = {1438-0064}, doi = {10.1007/978-3-642-38527-8_33}, url = {http://nbn-resolving.de/urn:nbn:de:0297-zib-17876}, abstract = {We consider reoptimization (i.e. the solution of a problem based on information available from solving a similar problem) for branch-and-bound algorithms and propose a generic framework to construct a reoptimizing branch-and-bound algorithm. We apply this to an elevator scheduling algorithm solving similar subproblems to generate columns using branch-and-bound. Our results indicate that reoptimization techniques can substantially reduce the running times of the overall algorithm.}, language = {en} }