Triple

T5130789
Position Surface form Disambiguated ID Type / Status
Subject West Harrow E115691 entity
Predicate hasNearbyStation P5648 FINISHED
Object Rayners Lane station
Rayners Lane station is a London Underground station in the London Borough of Harrow, served by the Metropolitan and Piccadilly lines.
 E526447 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: Rayners Lane station | Statement: [West Harrow, hasNearbyStation, Rayners Lane station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rayners Lane station
Context triple: [West Harrow, hasNearbyStation, Rayners Lane station]
  • A. Queens Road station
    Queens Road station was the original name of what is now Queensway Underground station on the Central line of the London Underground.
  • B. 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.
  • C. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • D. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • E. Ealing Common station
    Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
  • 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: Rayners Lane station
Triple: [West Harrow, hasNearbyStation, Rayners Lane station]
Generated description
Rayners Lane station is a London Underground station in the London Borough of Harrow, served by the Metropolitan and Piccadilly lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rayners Lane station
Target entity description: Rayners Lane station is a London Underground station in the London Borough of Harrow, served by the Metropolitan and Piccadilly lines.
  • A. Queens Road station
    Queens Road station was the original name of what is now Queensway Underground station on the Central line of the London Underground.
  • B. 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.
  • C. Northumberland Park station
    Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
  • D. Gunnersbury station
    Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
  • E. Ealing Common station
    Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
  • 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_69bd444426bc819099ccd23f141e22aa completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd782904788190b544540483915c0e completed March 20, 2026, 4:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69bfbd5d67c881909b57ead8968a840b completed March 22, 2026, 9:58 a.m.
NEDg Description generation batch_69bfbe2a1a2c8190a4bc29759251ee37 completed March 22, 2026, 10:02 a.m.
NED2 Entity disambiguation (via description) batch_69bfbe9cf5d481908ca6f1b49e54d9bd completed March 22, 2026, 10:04 a.m.
Created at: March 20, 2026, 1:42 p.m.