A way of modelling object interactions (especially in distributed systems) at a higher level than message passing, using composition filters as adopted in the _(Sina) language, providing more support for reflection and meta-levels in object interaction than traditional object interaction models.

See  _(Paper | http://www.cse.msu.edu/~stire/cse891/aksit94abstracting.pdf)

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This needs to be on the _(Sina) page. Delete me. - _(water)