Wen Kuang, Yan Wu, Lu Liu. Key Selection for Multilevel Indices of Large-scale Service Repositories. In Ashiq Anjum, Alan Sill, Geoffrey C. Fox, Yong Chen, editors, Companion Proceedings of the 10th International Conference on Utility and Cloud Computing, UCC 2017, Austin, TX, USA, December 5-8, 2017. pages 139-144, ACM, 2017. [doi]