@inproceedings{ijcai2009p290,
  title     = {Efficient Abstraction and Refinement for Behavioral Description Based Web Service Composition},
  author    = {Kil, Hyunyoung and Nam, Wonhong and Lee, Dongwon},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/290},
}