Attributed Fact Extension¶
| Canonical | ../StructureDefinition/nexus-attributed-fact |
|---|---|
| Status | draft (experimental) · 1.26.0 |
| Base | Extension (constraint) |
| Context | Provenance (element) |
| Source | FSH · JSON |
One factual statement in a piece of AI-generated text, together with the citation(s) that back it: verbatim quotes from the source material the statement was derived from.
Elements / Key elements
The working view: must-support, required, modifier and sliced elements from the effective (snapshot) definition.
| Element | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Extension | 0..* | One AI-generated factual statement and the verbatim quote(s) backing it Invariants: ele-1, ext-1, attributed-fact-citations-are-substantive |
||
| extension | 2..* | Extension | Additional content defined by implementations i Slicing: value:url (open) Invariants: ele-1, ext-1 |
|
| extension:statement | S | 1..1 | Extension | The factual statement, as it appears in the generated text i Invariants: ele-1, ext-1 |
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: statement |
|
| extension:citation | S | 1..* | Extension | A passage of source material backing the statement (at least one required) i Invariants: ele-1, ext-1 |
| extension | 2..* | Extension | Additional content defined by implementations i Slicing: value:url (open) Invariants: ele-1, ext-1 |
|
| extension:chunk | S | 1..1 | Extension | Producer's label for the cited passage (e.g. c3); opaque, run-relative i Invariants: ele-1, ext-1 |
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: chunk |
|
| extension:quote | S | 1..1 | Extension | Verbatim quote, character-for-character from the cited passage i Invariants: ele-1, ext-1 |
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: quote |
|
| extension:source | 0..1 | Extension | The Provenance.entity resource the passage was drawn from, when resolvable i Invariants: ele-1, ext-1 |
|
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: source |
|
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: citation |
|
| url | 1..1 | http://hl7.org/fhirpath/System.String | identifies the meaning of the extension i Fixed: ../StructureDefinition/nexus-attributed-fact |