Triple

T22158370
Position Surface form Disambiguated ID Type / Status
Subject Severn Valley Railway station E547600 entity
Predicate hasOperator P179 FINISHED
Object Severn Valley Railway (preservation organisation) — NE NERFINISHED

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: Severn Valley Railway (preservation organisation) | Statement: [Severn Valley Railway station, hasOperator, Severn Valley Railway (preservation organisation)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Severn Valley Railway (preservation organisation)
Context triple: [Severn Valley Railway station, hasOperator, Severn Valley Railway (preservation organisation)]
  • A. Severn Valley Railway (preservation organisation) chosen
    Severn Valley Railway (preservation organisation) is a heritage railway charity in England dedicated to preserving and operating the historic Severn Valley Railway line and its stations.
  • B. Severn Valley Railway (Shropshire section)
    The Severn Valley Railway (Shropshire section) is part of a preserved heritage steam railway running through the Severn Valley in Shropshire, England, popular for scenic journeys and historical train experiences.
  • C. Rother Valley Railway
    Rother Valley Railway was a light railway in southeast England that formed part of the early rural rail network later associated with the Kent and East Sussex Railway.
  • D. Severn Valley Railway (Kidderminster terminus)
    Severn Valley Railway (Kidderminster terminus) is the southern end of the heritage Severn Valley Railway, serving as a restored historic station and visitor hub for steam train journeys through the Worcestershire and Shropshire countryside.
  • E. Scottish Railway Preservation Society
    The Scottish Railway Preservation Society is a heritage organization in Scotland dedicated to preserving and operating historic railway equipment and lines for education and public enjoyment.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e3b52088190ad5df386d01eb2fb completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f12a2b5b10819090630fbadacb67af completed April 28, 2026, 9:44 p.m.
Created at: April 16, 2026, 8:33 p.m.