SACM — Incorporate 7.2.10 EvidenceEvaluation (abstract) (p20) in a coherent way into merged SACM metamodel

Incorporate 7.2.10 EvidenceEvaluation (abstract) (p20) in a coherent way into merged SACM metamodel

All references are against document ptc/2012-04-04
Change superclass of EvidenceEvaluation from Element to EvidenceAssertion
Change the text in chapter 14, page 69 from
Evaluation of Evidence includes the activities of making certain assertions about
evidence items and their relation to domain claims.
Evidence Assertions are defined within the Evidence Metamodel and include the
following categories:
Quality Attributes of Documents, such as Primary or secondary, Document: original or
derived, Consistency, Completeness, Accuracy.
Quality Attributes of Evidentiary Support, such as Direct or indirect, Relevance,
Confidence, Strength, Significance.
Interpretation of Evidence: what an evidence item "Is", what is "means."
Nature of Evidentiary support: Supports, Challenges.
Observations and Resolutions.
Standard of Proof to which evidence is evaluated.
Into
Evaluation of Evidence involves making certain assertions about the evidence items and
their relations to the subject area claims.
Evidence Assertions are defined within the Evidence Metamodel and include the
following categories:
Properties of Documents as they are related to the quality of the evidentiary support that
may be offered by these documents, such as Primary or secondary document, original or
derived document, Consistency, Completeness and Accuracy of the document. These
properties are independent on the assurance case for which the evidence is collected. Attributes of the evidentiary support, such as Direct or indirect support, Relevance,
Confidence, Strength, and Significance.
Interpretation of Evidence: what an evidence item "Is", what it "means."
Nature of the evidentiary support: Supports, Challenges.
Observations and Resolutions.
Standard of Proof to which the evidence is evaluated.
Change Figure 14.2 EvidenceAttributes <<figure on p 66 of ptc/2012-06-04