Zhong, Ming, Yaoxue Zhang, Laurence Tianruo Yang, Yuezhi Zhou, Pengwei Tian, and Linkai Weng. 2012. “A Personalized Facet-Weight Based Ranking Method for Service Component Retrieval”. Computing and Informatics 30 (3):491-511. http://147.213.75.17/ojs/index.php/cai/article/view/181.