Triple

T10124982
Position Surface form Disambiguated ID Type / Status
Subject London–Birmingham transport corridor E226188 entity
Predicate mainRailTerminusInBirmingham P26272 FINISHED
Object Birmingham New Street railway station E9866 NE FINISHED

How this triple was built (3 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 railway station | Statement: [London–Birmingham transport corridor, mainRailTerminusInBirmingham, Birmingham New Street railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street railway station
Context triple: [London–Birmingham transport corridor, mainRailTerminusInBirmingham, Birmingham New Street railway station]
  • A. Birmingham New Street chosen
    Birmingham New Street is the main railway station in Birmingham, England, and one of the busiest rail hubs in the United Kingdom.
  • B. Birmingham International railway station
    Birmingham International railway station is a major transport hub in the West Midlands serving Birmingham Airport and the National Exhibition Centre (NEC).
  • C. Birmingham Snow Hill railway station
    Birmingham Snow Hill railway station is a major railway hub in Birmingham city centre, serving regional and local train services as part of the UK rail network.
  • D. Birmingham Moor Street railway station
    Birmingham Moor Street railway station is a historic city-centre railway terminus in Birmingham, England, serving regional and commuter rail services.
  • E. Manchester Victoria railway station
    Manchester Victoria railway station is a major railway and Metrolink tram interchange in Manchester, England, serving as a key hub for regional and local services across northern England.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: mainRailTerminusInBirmingham
Context triple: [London–Birmingham transport corridor, mainRailTerminusInBirmingham, Birmingham New Street railway station]
  • A. primaryManchesterStation
    Indicates that a given station is the main or principal railway station serving Manchester.
  • B. primaryLondonTerminal
    Indicates that a given station serves as the main London terminal for a particular rail service or route.
  • C. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • D. railwayUpperTerminus
    Indicates that a railway line or route reaches its upper (typically higher-altitude or upstream) terminal endpoint at the related location.
  • E. railLineTerminus chosen
    Indicates that a rail line ends or terminates at the specified location or station.
  • F. None of above.

Provenance (4 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_69ca843057b48190a86730167f5d6b98 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cdd2ebe4548190a484c145639d92f0 completed April 2, 2026, 2:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2cc5cb62081908f4725de14916c11 completed April 5, 2026, 8:55 p.m.
PD Predicate disambiguation batch_69cd4ba1d360819087698d04a53cc87e completed April 1, 2026, 4:45 p.m.
Created at: March 30, 2026, 9:05 p.m.