Vaibhav Srivastava, Francesco Bullo. Knapsack problems with sigmoid utilities: Approximation algorithms via hybrid optimization. European Journal of Operational Research, 236(2):488-498, 2014. [doi]
@article{SrivastavaB14, title = {Knapsack problems with sigmoid utilities: Approximation algorithms via hybrid optimization}, author = {Vaibhav Srivastava and Francesco Bullo}, year = {2014}, doi = {10.1016/j.ejor.2013.12.035}, url = {http://dx.doi.org/10.1016/j.ejor.2013.12.035}, researchr = {https://researchr.org/publication/SrivastavaB14}, cites = {0}, citedby = {0}, journal = {European Journal of Operational Research}, volume = {236}, number = {2}, pages = {488-498}, }