Y. Vasiliev and W. Soa, Composing Service-Oriented Solutions with PHP and ActiveBPEL, 2007.

F. Daniel and B. Pernici, Insights into Web Service Orchestration and Choreography, International Journal of E-Business Research, vol.2, issue.1, pp.58-77, 2006.
DOI : 10.4018/jebr.2006010104

G. Alonso, Web Services -Concepts, Architectures and Applications, 2004.

R. Lucchia and M. Mazzara, A pi-calculus based semantics for wsbpel, Journal of Logic and Algebraic Programming, pp.96-118, 2007.

J. P. Banâtre, P. Fradet, and Y. Radenac, Principles of Chemical Programming, Electronic Notes in Theoretical Computer Science, vol.124, issue.1, pp.133-147, 2005.
DOI : 10.1016/j.entcs.2004.07.019

J. Banâtre, P. Fradet, and Y. Radenac, The Chemical Reaction Model Recent Developments and Prospects, Software-Intensive Systems and New Computing Paradigms: Challenges and Visions, pp.209-234, 2008.
DOI : 10.1109/TSMCA.2005.846396

J. Banâtre and D. L. Métayer, Programming by multiset transformation, Communications of the ACM, vol.36, issue.1, pp.36-98, 1993.
DOI : 10.1145/151233.151242

J. Banâtre, P. Frade, and D. L. Métayer, Gamma and the Chemical Reaction Model: Fifteen Years After, pp.17-44, 2001.
DOI : 10.1007/3-540-45523-X_2

J. P. Banâtre, P. Fradet, and Y. Radenac, Generalised multisets for chemical programming, Mathematical Structures in Computer Science, vol.16, issue.04, pp.557-580, 2006.
DOI : 10.1017/S0960129506005317

M. Mazzara and S. Govoni, A Case Study of Web Services Orchestration, 2005.
DOI : 10.1109/MC.2003.1236471

D. Sangiorgi and D. Walker, The pi-calculus: a theory of mobile processes, 2001.

O. Moser, F. Rosenberg, and S. Dustdar, Non-intrusive monitoring and service adaptation for WS-BPEL, Proceeding of the 17th international conference on World Wide Web , WWW '08, pp.815-824, 2008.
DOI : 10.1145/1367497.1367607

S. Ahuja, N. Carriero, and D. Gelernter, Linda and Friends, Computer, vol.19, issue.8, pp.26-34, 1986.
DOI : 10.1109/MC.1986.1663305

M. Fontoura, T. Lehman, D. Nelson, and T. Truong, Tspaces services suite: Automating the development and management of web services, Proceedings of the 12th International World Wide Web Conference, 2003.

B. Umesh and B. Siddharth, xspace: a tuple space for xml & its application in orchestration of web services, SAC '06: Proceedings of the 2006 ACM symposium on Applied computing, pp.766-772, 2006.

J. Banâtre, T. Priol, and Y. Radenac, Service Orchestration Using the Chemical Metaphor, Software Technologies for Embedded and Ubiquitous Systems, pp.79-89, 2008.
DOI : 10.1145/1066677.1067053

Z. Nemeth, C. Perez, and T. Priol, Workflow enactment based on a chemical metaphor Software Engineering and Formal Methods, pp.127-136, 2005.