Sachiko Yoshihama Tim Ebringer Megumi Nakamura Seiji Munetoh Takuya Mishina Hiroshi Maruyama ws-Attestation: Enabling Trusted Computing on Web Services. 441-469 2007 conf/swb/2007taws Test and Analysis of Web Services http://dx.doi.org/10.1007/978-3-540-72912-9_15 db/conf/swb/taws2007.html#YoshihamaENMMM07