Triple

T22236208
Position Surface form Disambiguated ID Type / Status
Subject Silverlink County E549599 entity
Predicate operatedRoute P18593 FINISHED
Object London Euston to Bletchley
London Euston to Bletchley is a regional rail service in England linking central London with the town of Bletchley in Buckinghamshire.
 E1526272 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: London Euston to Bletchley | Statement: [Silverlink County, operatedRoute, London Euston to Bletchley]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Euston to Bletchley
Context triple: [Silverlink County, operatedRoute, London Euston to Bletchley]
  • A. London Euston to Watford Junction
    London Euston to Watford Junction is a suburban rail route in northwest London and Hertfordshire, served by London Overground and other operators, connecting central London with key intermediate stations such as Wembley Central.
  • B. London Euston – Northampton
    London Euston – Northampton is a key commuter and intercity rail route in England linking central London with the town of Northampton via the West Coast Main Line.
  • C. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • D. London to Aldermaston
    London to Aldermaston is the historic protest march route used by the Campaign for Nuclear Disarmament during its Easter Aldermaston demonstrations in England.
  • E. Birmingham New Street – London Euston
    Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main 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: London Euston to Bletchley
Triple: [Silverlink County, operatedRoute, London Euston to Bletchley]
Generated description
London Euston to Bletchley is a regional rail service in England linking central London with the town of Bletchley in Buckinghamshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: London Euston to Bletchley
Target entity description: London Euston to Bletchley is a regional rail service in England linking central London with the town of Bletchley in Buckinghamshire.
  • A. London Euston to Watford Junction
    London Euston to Watford Junction is a suburban rail route in northwest London and Hertfordshire, served by London Overground and other operators, connecting central London with key intermediate stations such as Wembley Central.
  • B. London Euston – Northampton
    London Euston – Northampton is a key commuter and intercity rail route in England linking central London with the town of Northampton via the West Coast Main Line.
  • C. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • D. London to Aldermaston
    London to Aldermaston is the historic protest march route used by the Campaign for Nuclear Disarmament during its Easter Aldermaston demonstrations in England.
  • E. Birmingham New Street – London Euston
    Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
  • F. None of above. chosen

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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf7b1d8819091087dcfdb2e967c completed April 28, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae7b808c819091638601515b9737 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0ab14691dc81909765edd58c3dd719 completed May 18, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab21edc4c8190b48a21e9594e6d35 completed May 18, 2026, 6:30 a.m.
Created at: April 16, 2026, 8:38 p.m.