1. Schahram Dustdar and Wolfgang Schreiner. A survey on web service composition. International Journal of Web and Grid Service; 1(1); 2005.
2. Sofiane Chemaa, Faycal Bachtarzi, Allaoua Chaoui. A High-level Petri Net Based Approach for Modeling and Composition of Web Services Procedia Computer Science 2012; 9;469-478.
3. E. Vinek, P.P. Beran, E. Schikuta. Classification and Composition of QoS Attributes in Distributed, Heterogeneous Systems. 11th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing 23-26 May 2011;424-433.
4. Shiting Wen, Qing Li, Lihua Yue, An Liu, Chaogang Tang. Reputation Distribution Based on Structure-Related Importance in Services Composition. 2011 IEEE 8th International Conference on e-Business Engineering 2011;52-59.
5. Zhen Li, Sen Su, Fangchun Yang. Wsrep: A novel reputation model for web services selection. In NgocThanh Nguyen, Adam Grzech, RobertJ. Howlett, and LakhmiC. Jain, editors. Agent and Multi-Agent Systems: Technologies and Applica- tions, Springer Berlin Heidelberg;Lecture Notes in Computer Science;4496;2007;p.199208.