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 / Differential
What this profile constrains beyond Extension. Anything not listed is unchanged from the base; muted type/cardinality values are the base's, shown for context.
| Element | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Extension | One AI-generated factual statement and the verbatim quote(s) backing it Invariants: attributed-fact-citations-are-substantive |
|||
| extension | 2..* | Extension | i | |
| extension:statement | S | 1..1 | Extension | The factual statement, as it appears in the generated text i |
| extension | 0..0 | Extension | i | |
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: statement |
|
| value[x] | 0..1 | string | ||
| extension:citation | S | 1..* | Extension | A passage of source material backing the statement (at least one required) i |
| extension | 2..* | Extension | i | |
| extension:chunk | S | 1..1 | Extension | Producer's label for the cited passage (e.g. c3); opaque, run-relative i |
| extension | 0..0 | Extension | i | |
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: chunk |
|
| value[x] | 0..1 | string | ||
| extension:quote | S | 1..1 | Extension | Verbatim quote, character-for-character from the cited passage i |
| extension | 0..0 | Extension | i | |
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: quote |
|
| value[x] | 0..1 | string | ||
| extension:source | 0..1 | Extension | The Provenance.entity resource the passage was drawn from, when resolvable i | |
| extension | 0..0 | Extension | i | |
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: source |
|
| value[x] | 0..1 | Reference | ||
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: citation |
|
| value[x] | 0..0 | base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta | ||
| url | 1..1 | http://hl7.org/fhirpath/System.String | i Fixed: ../StructureDefinition/nexus-attributed-fact |
|
| value[x] | 0..0 | base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta |