Triple

T22251319
Position Surface form Disambiguated ID Type / Status
Subject Heathrow Connect route E549984 entity
Predicate intermediateStop P24280 FINISHED
Object Hanwell railway station
Hanwell railway station is a suburban rail station in the London Borough of Ealing served by local services on the Great Western Main Line.
 E1526615 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: Hanwell railway station | Statement: [Heathrow Connect route, intermediateStop, Hanwell railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hanwell railway station
Context triple: [Heathrow Connect route, intermediateStop, Hanwell railway station]
  • A. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • B. Hendon railway station
    Hendon railway station is a suburban railway station in the London Borough of Barnet, serving the Hendon area on the Midland Main Line with Thameslink services into central London and beyond.
  • C. Greenford station
    Greenford station is a transport hub in Greenford, west London, served by London Underground’s Central line and National Rail services.
  • D. Northwick Park station
    Northwick Park station is a London Underground station on the Metropolitan line serving the Northwick Park area in the London Borough of Brent.
  • E. Balham railway station
    Balham railway station is a National Rail station in the Balham area of south London, providing suburban rail services and an interchange with the London Underground.
  • 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: Hanwell railway station
Triple: [Heathrow Connect route, intermediateStop, Hanwell railway station]
Generated description
Hanwell railway station is a suburban rail station in the London Borough of Ealing served by local services on the Great Western Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hanwell railway station
Target entity description: Hanwell railway station is a suburban rail station in the London Borough of Ealing served by local services on the Great Western Main Line.
  • A. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • B. Hendon railway station
    Hendon railway station is a suburban railway station in the London Borough of Barnet, serving the Hendon area on the Midland Main Line with Thameslink services into central London and beyond.
  • C. Greenford station
    Greenford station is a transport hub in Greenford, west London, served by London Underground’s Central line and National Rail services.
  • D. Northwick Park station
    Northwick Park station is a London Underground station on the Metropolitan line serving the Northwick Park area in the London Borough of Brent.
  • E. Balham railway station
    Balham railway station is a National Rail station in the Balham area of south London, providing suburban rail services and an interchange with the London Underground.
  • 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_69e11e41d9408190bd770cf282e22753 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f138befa208190877760dec1896740 completed April 28, 2026, 10:46 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0ab6606be48190bf16d33ca2261ca6 completed May 18, 2026, 6:49 a.m.
NEDg Description generation batch_6a0ab738e6e081909d23bcbcbf3d4abb completed May 18, 2026, 6:52 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab7bb6fbc81909e54be3d1ae98cbf completed May 18, 2026, 6:54 a.m.
Created at: April 16, 2026, 8:39 p.m.