Triple

T11551920
Position Surface form Disambiguated ID Type / Status
Subject South Staffordshire Railway E273917 entity
Predicate operatedRailwayLine P5620 FINISHED
Object Walsall–Lichfield line E932726 NE 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: Walsall–Lichfield line | Statement: [South Staffordshire Railway, operatedRailwayLine, Walsall–Lichfield line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Walsall–Lichfield line
Context triple: [South Staffordshire Railway, operatedRailwayLine, Walsall–Lichfield line]
  • A. Wolverhampton–Walsall line
    The Wolverhampton–Walsall line is a railway route in the West Midlands of England that provides local passenger and freight connections between the cities of Wolverhampton and Walsall.
  • B. Birmingham–Wolverhampton line
    The Birmingham–Wolverhampton line is a key railway route in England’s West Midlands, linking the major cities of Birmingham and Wolverhampton and forming part of the region’s core commuter and intercity rail network.
  • C. Birmingham–Shrewsbury line
    The Birmingham–Shrewsbury line is a key railway route in England linking the West Midlands city of Birmingham with the historic town of Shrewsbury, providing important regional and intercity passenger services.
  • D. Derby–Birmingham line
    The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
  • E. Walsall to Rugeley line chosen
    The Walsall to Rugeley line is a regional railway route in the West Midlands of England that provides local passenger services linking Walsall with Rugeley via intermediate towns.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aae4dfa48190a3ab0b19a159a3c5 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d88a83f1e88190aabf11a4c8a6c9e5 completed April 10, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69e71392d0388190971bab8906e5e6df completed April 21, 2026, 6:05 a.m.
Created at: April 8, 2026, 9:37 p.m.