Report copyright - Ac#ve&documents&and&Ac#ve&XML& - Serge Abiteboul · 2012-04-04 · 2 ∪& σ snd 1 R Peer 3 Peer 2 snd 2 S Peer 1 rcv 1 rcv 2 R ∪& snd 1 σ Peer 3 Peer 2 snd 2 σ S Global Rewriting:
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