Triple

T20771832
Position Surface form Disambiguated ID Type / Status
Subject London Euston – Liverpool E511254 entity
Predicate routeSection P21871 FINISHED
Object London Euston – Rugby
London Euston – Rugby is a key section of the West Coast Main Line in England, carrying frequent intercity and commuter rail services between central London and the Midlands.
 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: London Euston – Rugby | Statement: [London Euston – Liverpool, routeSection, London Euston – Rugby]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Euston – Rugby
Context triple: [London Euston – Liverpool, routeSection, London Euston – Rugby]
  • A. Twickenham railway station
    Twickenham railway station is a key suburban rail hub in southwest London, serving the town of Twickenham with frequent services into central London and surrounding areas.
  • B. London Euston
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • C. Euston
    Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
  • D. London Paddington – Gloucester
    London Paddington – Gloucester is a mainline railway route in England linking central London’s Paddington station with the city of Gloucester via intermediate stops such as Stroud.
  • E. Gloucester station
    Gloucester station is a commuter rail stop in Gloucester, Massachusetts, served by the MBTA’s Rockport Branch of the Newburyport/Rockport 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 – Rugby
Triple: [London Euston – Liverpool, routeSection, London Euston – Rugby]
Generated description
London Euston – Rugby is a key section of the West Coast Main Line in England, carrying frequent intercity and commuter rail services between central London and the Midlands.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: London Euston – Rugby
Target entity description: London Euston – Rugby is a key section of the West Coast Main Line in England, carrying frequent intercity and commuter rail services between central London and the Midlands.
  • A. Twickenham railway station
    Twickenham railway station is a key suburban rail hub in southwest London, serving the town of Twickenham with frequent services into central London and surrounding areas.
  • B. London Euston chosen
    London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
  • C. Euston
    Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
  • D. London Paddington – Gloucester
    London Paddington – Gloucester is a mainline railway route in England linking central London’s Paddington station with the city of Gloucester via intermediate stops such as Stroud.
  • E. Gloucester station
    Gloucester station is a commuter rail stop in Gloucester, Massachusetts, served by the MBTA’s Rockport Branch of the Newburyport/Rockport 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_69e0b4ca01148190ac018e57e0cab46f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c2681ff88190bfe5938c2db6b2c4 completed April 21, 2026, 12:18 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08ef91918c81908e99ab3a8ed9a1e5 completed May 16, 2026, 10:28 p.m.
NEDg Description generation batch_6a08f306e51481909691e3735ce10b60 completed May 16, 2026, 10:43 p.m.
NED2 Entity disambiguation (via description) batch_6a08f37adb908190a40a7bb1728f3dbf completed May 16, 2026, 10:45 p.m.
Created at: April 16, 2026, 12:37 p.m.