Triple

T11552410
Position Surface form Disambiguated ID Type / Status
Subject Northfield railway station E273928 entity
Predicate lineSection P43954 FINISHED
Object Birmingham New Street to Longbridge section of Cross-City Line E932738 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 New Street to Longbridge section of Cross-City Line | Statement: [Northfield railway station, lineSection, Birmingham New Street to Longbridge section of Cross-City Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street to Longbridge section of Cross-City Line
Context triple: [Northfield railway station, lineSection, Birmingham New Street to Longbridge section of Cross-City Line]
  • A. Birmingham Loop of the West Coast Main Line
    The Birmingham Loop of the West Coast Main Line is a major railway route in the UK that diverts from the main London–Glasgow corridor to serve Birmingham and surrounding areas before rejoining the primary line.
  • B. Birmingham New Street to Lichfield Trent Valley
    Birmingham New Street to Lichfield Trent Valley is a suburban rail route in England connecting central Birmingham with the city of Lichfield via intermediate West Midlands commuter stations.
  • C. Birmingham to Bristol line
    The Birmingham to Bristol line is a major railway route in England connecting the Midlands city of Birmingham with the southwestern city of Bristol, serving key intermediate towns and cities along the way.
  • D. Birmingham–Lichfield rail corridor
    The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
  • E. Cross-City Line (Lichfield–Redditch) chosen
    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.
  • 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_69d88a85b9ac8190a57c1fdaeacbe3d6 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.