Logical Information Lineage

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Discussion

Logical Information Lineage describes the relationships among Logical Data Structure Instances as Logical Nodes exchange, transform, validate, interpret, assert, persist, replay, release, or evidence information.

Lineage supports review and reconstruction. It allows reviewers to follow information from source values through processing steps, derived assertions, policy decisions, audit records, provenance records, and evidence expectations.

Logical Information Lineage remains platform-independent. It does not prescribe a graph database, provenance store, event store, log format, lineage tool, or audit mechanism. Implementation profiles select the realisation mechanism.

Definition

Relationship history connecting Logical Data Structure Instances across exchange, transformation, validation, interpretation, assertion, persistence, replay, release, and evidence.

Source

Specialisation of Traceability, Evidence, Data Structure Instance, and Audit and Provenance Plane from Part 1, Sections 7.10, 7.9, 7.8, and 8.6; generalised from provenance, audit, replay, and evidence material in the original FX Demo Reference Architecture.

Note

Logical Information Lineage supports evidence but does not replace evidence. Evidence supports claims; lineage records relationships among information instances and processing steps.

Example

A cash-flow assertion traces to an input transaction record, reference data used during interpretation, an applied model version, the producing Logical Node, and the provenance record created during processing.

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