@inproceedings {yu-ren-talcott-08foclasa, title = {Coordinating Asynchronous and Open Distributed Systems under Semiring-Based Timing Constraints}, author = {Yue Yu and Shangping Ren and Carolyn Talcott}, booktitle = {Foundations of Coordination Languages and Software Architectures (FOCLASA'08)}, editors = {Carlos Canal and Pascal Poizat and Marjan Sirjani}, year = {2008}, }