org.optaplanner:optaplanner-core-parent (maven):  OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains implementation of the solver and various optional scoring mechanisms. 
Keywords: artificial-intelligence|branch-and-bound|constraint-programming|constraint-satisfaction-problem|constraint-solver|constraints|employee-rostering|java|local-search|mathematical-optimization|metaheuristics|optimization|rostering|scheduling|simulated-annealing|solver|tabu-search|traveling-salesman|traveling-salesman-problem|vehicle-routing-problem