Triple

T25322292
Position Surface form Disambiguated ID Type / Status
Subject Sumpter Valley Railroad (heritage railway) E634915 entity
Predicate heritageRailwayType P159745 FINISHED
Object volunteer-operated LITERAL FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: volunteer-operated | Statement: [Sumpter Valley Railroad (heritage railway), heritageRailwayType, volunteer-operated]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: heritageRailwayType
Context triple: [Sumpter Valley Railroad (heritage railway), heritageRailwayType, volunteer-operated]
  • A. railwayHeritageFeature
    Indicates that something is a feature associated with railway heritage, such as historically significant railway structures, equipment, or related elements.
  • B. railwayHeritageFrom
    Indicates that something derives its historical or cultural significance from a particular railway or railway-related source.
  • C. heritageRailwayName
    Indicates the specific name assigned to a heritage railway associated with an entity.
  • D. heritageRailwayUse
    Indicates that a railway line, infrastructure, or service is used for heritage or historical purposes rather than for regular commercial transport.
  • E. openedAsHeritageRailway
    Indicates that a railway line or route was reopened specifically for heritage or tourist purposes rather than for regular commercial transport service.
  • F. None of above. chosen

Provenance (4 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e75a9908108190a95427a97020632a completed April 21, 2026, 11:08 a.m.
NER Named-entity recognition batch_69f5f7a205688190b8f36bff5013247c completed May 2, 2026, 1:09 p.m.
PD Predicate disambiguation batch_69f5afd5baac8190bb8ed576813c8591 completed May 2, 2026, 8:03 a.m.
PDg Predicate description generation batch_69f5f6b32a8881909baa0db57b80d56a completed May 2, 2026, 1:05 p.m.
Created at: April 21, 2026, 1:29 p.m.