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Project-Team COMPOSE Design and Development of Adaptive Programs and Systems

Pems is a high-level domain-speciﬁc language for specifying robust variations of e-mail services based on the Internet Message Access Protocol (IMAP). Pems programs deﬁne views at four different hierarchically structured levels; access-point, mailbox, message, and message ﬁelds. Individual messages and ﬁelds may, depending on various contextual information, be ﬁltered or appropriately transformed. Attached documents may be subjected to format conversion. We have a working prototype of the Pems compiler and programmable IMAP server.