Triple

T22641508
Position Surface form Disambiguated ID Type / Status
Subject Birmingham New Street – Walsall E558838 entity
Predicate usesInfrastructure P6820 FINISHED
Object Birmingham–Walsall railway line E945210 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: Birmingham–Walsall railway line | Statement: [Birmingham New Street – Walsall, usesInfrastructure, Birmingham–Walsall railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birmingham–Walsall railway line
Context triple: [Birmingham New Street – Walsall, usesInfrastructure, Birmingham–Walsall railway line]
  • A. Birmingham–Walsall line chosen
    The Birmingham–Walsall line is a suburban railway route in the West Midlands of England that connects the city of Birmingham with the town of Walsall, serving multiple intermediate urban stations.
  • B. 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.
  • C. Crewe–Birmingham railway line
    The Crewe–Birmingham railway line is a key rail route in England linking the major junction at Crewe with Birmingham, serving as an important corridor for both passenger and freight services in the West Midlands and North West.
  • D. Birmingham–Lichfield line
    The Birmingham–Lichfield line is a suburban railway route in the West Midlands, England, forming part of the Cross-City Line and connecting Birmingham with the cathedral city of Lichfield.
  • E. 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.
  • 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_69e24547f7fc819086e2c4ba3b979657 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f170116fe881908178cffef26e3ae7 completed April 29, 2026, 2:42 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b5860a6c88190b01cfc31d2e839ac completed May 18, 2026, 6:20 p.m.
Created at: April 17, 2026, 3:04 p.m.