Triple

T4799013
Position Surface form Disambiguated ID Type / Status
Subject Boleyn Ground E106786 entity
Predicate near P350 FINISHED
Object Upton Park Underground station
Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
 E526436 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: Upton Park Underground station | Statement: [Boleyn Ground, near, Upton Park Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Upton Park Underground station
Context triple: [Boleyn Ground, near, Upton Park Underground station]
  • A. Leytonstone Underground station
    Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
  • B. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • C. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • D. Borough Underground station
    Borough Underground station is a London Underground station on the Northern line serving the Borough area in the London Borough of Southwark.
  • E. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • 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: Upton Park Underground station
Triple: [Boleyn Ground, near, Upton Park Underground station]
Generated description
Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Upton Park Underground station
Target entity description: Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
  • A. Leytonstone Underground station
    Leytonstone Underground station is a London Underground station in East London served by the Central line, providing commuter access between Leytonstone and central London.
  • B. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • C. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • D. Borough Underground station
    Borough Underground station is a London Underground station on the Northern line serving the Borough area in the London Borough of Southwark.
  • E. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • 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_69bd43f6a1e08190bf0a372bfc336ee5 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6633b02c8190994d4b3543220efa completed March 20, 2026, 3:22 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, 1:22 p.m.