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Reports Year : 1997

Specification and Verification of the Co4 Distributed Knowledge System Using LOTOS

Abstract

This report presents the specification and verification of a consensual decision protocol used in Co4, a computer environment dedicated to the building of a distributed knowledge base. This protocol has been specified in the ISO formal description technique LOTOS. The CADP tools from the EUCALYPTUS LOTOS toolset have been used to verify different safety and liveness properties. The verification work has confirmed an announced violation of knowledge consistency and has put forth a case of inconsistent hierarchy, four cases of unexpected message reception and some further local corrections in the definition of the protocol. The full commented LOTOS specification and excerpts from detailed results are included in appendices.

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Other [cs.OH]
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Dates and versions

inria-00073430 , version 1 (24-05-2006)

Identifiers

  • HAL Id : inria-00073430 , version 1

Cite

Charles Pecheur. Specification and Verification of the Co4 Distributed Knowledge System Using LOTOS. RR-3259, INRIA. 1997. ⟨inria-00073430⟩
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