E-speak e-xplained

@article{Karp2003EspeakE,
  title={E-speak e-xplained},
  author={Alan H. Karp},
  journal={Commun. ACM},
  year={2003},
  volume={46},
  pages={112-118}
}
HP's e-speak is an open software platform designed to simplify Internet-based e-services by making it easier for unrelated Web sites to work together.