CORDONE, ROBERTO; TRUBIAN, MARCO - In: Asia-Pacific Journal of Operational Research (APJOR) 25 (2008) 03, pp. 373-391
The Knapsack Node Weighted Steiner Tree Problem (KNWSTP) is a generalization of the Steiner Tree Problem on graphs, which takes into account the classical cost function defined on the edges, as well as a prize function defined on the vertices and a limit on the size of the solution. It has...