Triple

T22387819
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 323 E553438 entity
Predicate usedOn P2367 FINISHED
Object Cross-City Line (Birmingham) 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: Cross-City Line (Birmingham) | Statement: [British Rail Class 323, usedOn, Cross-City Line (Birmingham)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cross-City Line (Birmingham)
Context triple: [British Rail Class 323, usedOn, Cross-City Line (Birmingham)]
  • A. Cross-City Line (Lichfield–Redditch)
    The Cross-City Line (Lichfield–Redditch) is a suburban rail route in the West Midlands of England that runs north–south through Birmingham, linking Lichfield with Redditch and serving numerous commuter stations along the way.
  • B. Birmingham Cross-City Line chosen
    The Birmingham Cross-City Line is a suburban rail route in the West Midlands, England, running through central Birmingham and connecting various surrounding towns and districts.
  • C. Birmingham to Coventry line
    The Birmingham to Coventry line is a key railway route in England connecting the major West Midlands cities of Birmingham and Coventry, serving both local and intercity passenger services.
  • 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–Walsall line
    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.
  • 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_69e11e4cf87c8190a1ff474daec326b7 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15857fb588190b8180963aedd69c0 completed April 29, 2026, 1:01 a.m.
Created at: April 16, 2026, 8:45 p.m.