The Institute of Operation Research and Management Sciences (INFORMS) is the largest and most influential academic organization in the field of operation research and management sciences worldwide. It aims to promote and facilitate the international academic exchange of various disciplines in the field of management sciences in the form of an international conference. There are 13 kinds of high-level academic journals of huge influence published in the institute, including the Operation Research, the Management Science, the Mathematics of Operations Research, and the Transportation Science. Their impact factor is also among the top in the field of transportation. The INFORMS Annual Meeting is a yearly academic event sponsored by the institute.