Paper Details

@InProceedings{Smith04,
  title = "{F}ocussing on {T}races to {L}ink {VCR} and {CSP}",
  author= "Smith, Marc L.",
  editor= "East, Ian R. and Duce, David and Green, Mark and Martin, Jeremy M. R. and Welch, Peter H.",
  pages = "353--360",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2004",
  isbn= "1 58603 458 8",
  year= "2004",
  month= "sep",
  abstract= "View-Centric Reasoning (VCR) replaces CSP's perfect observer
     with multiple, possibly imperfect observers. To employ
     view-centric reasoning within existing CSP models requires a
     bookkeeping change. Specifically, VCR introduces parallel
     events as a new primitive for constructing traces, and
     distinguishes two types of event traces: histories and
     views. Previously, we gave the operational semantics of VCR,
     and demonstrated the utility of parallel event traces to
     reason for the first time unambiguously about the meaning of
     the Linda predicate operations rdp() and inp(). The choice
     of using an operational semantics to describe VCR makes
     direct comparison with CSP difficult; therefore, work is
     ongoing to recast VCR denotationally, then link it with the
     other CSP models within Hoare and He's Unifying Theories of
     Programming. Initial efforts in this direction led to a
     comparison of VCR with Lawrence's HCSP. In this paper, we
     present some recent insights and abstractions - inspired by
     modern quantum physics - that have emerged whilst
     contemplating parallel event traces in light of the unifying
     theories. These insights lead to a more natural expression
     of VCR traces, in the sense that they more closely resemble
     CSP traces, thus forming a basis for linking VCR and CSP."
}

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