@misc {IOPORT.70308554,
    author       = {Ferreira, Jo\~ao Eduardo and Wu, Qinyi and Malkowski, Simon and Pu, Calton},
    title        = {Towards flexible event-handling in workflows through data states},
    howpublished = {SERVICES, 344-351 (2010).},
    year         = {2010},
    identifier   = {70308554},
}