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  1. OMG Issue

SACM — Incorporate 9.1.1 Assertion (p30) in a coherent way into merged SACM metamodel

  • Key: SACM-60
  • Legacy Issue Number: 16749
  • Status: closed  
  • Source: Adelard LLP ( Luke Emmet)
  • Summary:

    Incorporate 9.1.1 Assertion (p30) in a coherent way into merged SACM metamodel

  • Reported: SACM 1.0b1 — Tue, 29 Nov 2011 05:00 GMT
  • Disposition: Resolved — SACM 1.0b2
  • Disposition Summary:

    All references are against document ptc/2012-04-04
    Change the description of the Assertion element, section 12.1.1, pages 50-51 into:
    An Assertion is a relationship involving one or more formal objects, taken as formal
    proposition that has a distinct, separate existence, a self-contained piece of information
    that can be referenced as a unit. Assertion is the key constituent of a conceptual model
    underlying the assurance case. Assertion represents an asserted fact about the subject area
    for which the assurance case is being developed.
    • facctype:String Designation of the fact type
    • role:RoleBinding[0..*] Set of role bindings that further describe which
    DomainObject are bound to the roles that are determined by the fact type.
    • definition:MOF::Element A link to an entry of an external SBVR vocabulary or
    an OWL ontology defining the fact type of the assertion.
    Assertion is an element of meaning that states existence of a relationship between several
    individual formal objects. In a formal assurance case, the nature of the relationship is
    specified through a reference to an external vocabulary, such as an SBVR vocabulary or
    an OWL ontology. SACM assumes that the community of interest for the assurance case
    will acquire or develop such vocabularies for the corresponding subject area. In a semiformal
    assurance case the nature of the relationship can be described informally through a
    'content' property. In this case the 'definition' property and the 'facttype' property shall not
    be used. However the references to the exact FormalObjects through RoleBinding
    elements can be still stated. The 'content' property of the FormalAssertion element
    provides the verbalization of the assertion, in the form of an expression of the assertion in a selected natural language. For informal assurance cases, a ReferencedClaim element
    can be used, which only contains the verbalization of the claim in a natural language.

  • Updated: Fri, 6 Mar 2015 20:58 GMT