Triple

T12489241
Position Surface form Disambiguated ID Type / Status
Subject High Barnet branch E298517 entity
Predicate hasStation P35 FINISHED
Object Euston station
Euston station is a major central London railway terminus and London Underground interchange, serving as a key hub for national rail services and multiple Tube lines.
 E9460 NE FINISHED

How this triple was built (4 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: Euston station | Statement: [High Barnet branch, hasStation, Euston station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Euston station
Context triple: [High Barnet branch, hasStation, Euston station]
  • A. London Euston
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • B. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • 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. Vauxhall Station
    Vauxhall Station is a major transport hub in south London that serves both National Rail services and the London Underground on the Victoria line.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Euston station
Triple: [High Barnet branch, hasStation, Euston station]
Generated description
Euston station is a major central London railway terminus and London Underground interchange, serving as a key hub for national rail services and multiple Tube lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Euston station
Target entity description: Euston station is a major central London railway terminus and London Underground interchange, serving as a key hub for national rail services and multiple Tube lines.
  • 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. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • 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. Vauxhall Station
    Vauxhall Station is a major transport hub in south London that serves both National Rail services and the London Underground on the Victoria line.
  • F. None of above.

Provenance (5 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_69d6ada377208190a36011199a4d8558 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94de1db9481909ddf70eb81cdb714 completed April 10, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f746055aac81909626eaa891199019 completed May 3, 2026, 12:56 p.m.
NEDg Description generation batch_69f748cdbfe88190a69a33a42f063b8c completed May 3, 2026, 1:08 p.m.
NED2 Entity disambiguation (via description) batch_69f749167a748190858eca79729e0962 completed May 3, 2026, 1:09 p.m.
Created at: April 8, 2026, 9:56 p.m.