Provides results on the following aspects of SEPIA: persistent andshared data storage,hpermedia dada model with composits,sophisticated and comprehensive authoringfunctionality,support for a new rhetoric and for cooperative work.

• 从以下方面计论SEPIA：数据的保存与共享，复合起媒体数据模型。 专业级的作者环境，以及支持一种新的修辞和合作方式。