Triple

T9197458
Position Surface form Disambiguated ID Type / Status
Subject Channel Tunnel Rail Link E220751 entity
Predicate previousLondonTerminusForEurostar P77374 FINISHED
Object Waterloo International railway station E113173 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: Waterloo International railway station | Statement: [Channel Tunnel Rail Link, previousLondonTerminusForEurostar, Waterloo International railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Waterloo International railway station
Context triple: [Channel Tunnel Rail Link, previousLondonTerminusForEurostar, Waterloo International railway station]
  • A. Waterloo station chosen
    Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
  • B. Waterloo railway station
    Waterloo railway station is a railway station serving the Waterloo area of Crosby in Merseyside, England, as part of the Merseyrail network.
  • C. Waterloo East station
    Waterloo East station is a central London railway station on the South Bank, serving suburban and regional services and linked by footbridge to both Waterloo and Charing Cross stations.
  • D. Ottawa Train Station
    The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
  • E. Gare Centrale de Montréal
    Gare Centrale de Montréal is Montreal’s primary intercity rail hub and a major transportation center in Canada, serving national and regional train services as well as connections to local transit.
  • 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: previousLondonTerminusForEurostar
Context triple: [Channel Tunnel Rail Link, previousLondonTerminusForEurostar, Waterloo International railway station]
  • A. primaryLondonTerminal
    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. endingStationInLeHavre
    Indicates that an event or route concludes at a station located in Le Havre.
  • D. railwayStationFor
    Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
  • E. railTerminus chosen
    Indicates that a railway line or service ends at a particular station or location, which serves as its final terminus.
  • 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_69ca83e7ba70819088b74866d9da2c30 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccd87f50e88190940e73af1deda747 completed April 1, 2026, 8:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69d05c3b1af48190bb03af15232c510d completed April 4, 2026, 12:32 a.m.
PD Predicate disambiguation batch_69cc660af2408190ae06eb8326e1c64e completed April 1, 2026, 12:25 a.m.
Created at: March 30, 2026, 7:25 p.m.