Kaldeli, Eirini, Alexander Lazovik, and Marco Aiello. “Extended Goals for Composing Services”. Proceedings of the International Conference on Automated Planning and Scheduling 19, no. 1 (October 16, 2009): 362-365. Accessed August 22, 2024. https://ojs.aaai.org/index.php/ICAPS/article/view/13385.