Triple

T10124980
Position Surface form Disambiguated ID Type / Status
Subject London–Birmingham transport corridor E226188 entity
Predicate mainRailTerminusInLondon P24452 FINISHED
Object London Euston railway station E9460 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: London Euston railway station | Statement: [London–Birmingham transport corridor, mainRailTerminusInLondon, London Euston railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Euston railway station
Context triple: [London–Birmingham transport corridor, mainRailTerminusInLondon, London Euston railway station]
  • A. London Euston chosen
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • B. London Victoria railway station
    London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
  • C. King’s Cross St Pancras Underground station
    King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
  • D. London Paddington station
    London Paddington station is a major central London railway terminus and London Underground hub, designed by Isambard Kingdom Brunel, serving intercity, regional, and airport services including links to Heathrow.
  • E. London St Pancras International
    London St Pancras International is a major central London railway terminus and international high-speed rail hub, serving Eurostar services to continental Europe as well as domestic routes.
  • 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: mainRailTerminusInLondon
Context triple: [London–Birmingham transport corridor, mainRailTerminusInLondon, London Euston railway station]
  • A. primaryLondonTerminal chosen
    Indicates that a given station serves as the main London terminal for a particular rail service or route.
  • B. secondaryLondonTerminal
    Indicates that a location serves as a secondary terminal in London associated with a primary London terminal for a given service or route.
  • C. primaryManchesterStation
    Indicates that a given station is the main or principal railway station serving Manchester.
  • D. railwayUpperTerminus
    Indicates that a railway line or route reaches its upper (typically higher-altitude or upstream) terminal endpoint at the related location.
  • E. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • 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_69d71c559910819092b0eae9c05aa7dc completed April 9, 2026, 3:26 a.m.
PD Predicate disambiguation batch_69cd4ba1d360819087698d04a53cc87e completed April 1, 2026, 4:45 p.m.
Created at: March 30, 2026, 9:05 p.m.