Triple

T17769517
Position Surface form Disambiguated ID Type / Status
Subject Romford E443594 entity
Predicate hasLeisureVenue P23473 FINISHED
Object Romford Greyhound Stadium
Romford Greyhound Stadium is a well-known greyhound racing track and entertainment venue located in Romford, London.
E1286924 NE FINISHED

How this triple was built (5 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: Romford Greyhound Stadium | Statement: [Romford, hasLeisureVenue, Romford Greyhound Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Romford Greyhound Stadium
Context triple: [Romford, hasLeisureVenue, Romford Greyhound Stadium]
  • A. Doncaster Greyhound Stadium
    Doncaster Greyhound Stadium, also known as Belle Vue, was a former greyhound racing track in Doncaster, South Yorkshire, England.
  • B. Fairgrounds Park
    Fairgrounds Park is a local public park in Elsmere, Delaware, offering outdoor recreational space and community amenities for residents.
  • C. Southland Greyhound Park
    Southland Greyhound Park is a former greyhound racing track in West Memphis, Arkansas that evolved into a major casino and entertainment complex.
  • D. Rockingham Park racetrack
    Rockingham Park racetrack was a historic New Hampshire horse racing venue that operated for over a century before being closed and redeveloped.
  • E. Wolverhampton Racecourse
    Wolverhampton Racecourse is a prominent British horse racing venue in Wolverhampton, known for its all-weather track and regular flat racing fixtures.
  • 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: Romford Greyhound Stadium
Triple: [Romford, hasLeisureVenue, Romford Greyhound Stadium]
Generated description
Romford Greyhound Stadium is a well-known greyhound racing track and entertainment venue located in Romford, London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Romford Greyhound Stadium
Target entity description: Romford Greyhound Stadium is a well-known greyhound racing track and entertainment venue located in Romford, London.
  • A. Doncaster Greyhound Stadium
    Doncaster Greyhound Stadium, also known as Belle Vue, was a former greyhound racing track in Doncaster, South Yorkshire, England.
  • B. Fairgrounds Park
    Fairgrounds Park is a local public park in Elsmere, Delaware, offering outdoor recreational space and community amenities for residents.
  • C. Southland Greyhound Park
    Southland Greyhound Park is a former greyhound racing track in West Memphis, Arkansas that evolved into a major casino and entertainment complex.
  • D. Rockingham Park racetrack
    Rockingham Park racetrack was a historic New Hampshire horse racing venue that operated for over a century before being closed and redeveloped.
  • E. Wolverhampton Racecourse
    Wolverhampton Racecourse is a prominent British horse racing venue in Wolverhampton, known for its all-weather track and regular flat racing fixtures.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasLeisureVenue
Context triple: [Romford, hasLeisureVenue, Romford Greyhound Stadium]
  • A. hasEntertainmentVenue chosen
    Indicates that an entity possesses, contains, or is associated with an entertainment venue as part of its facilities or offerings.
  • B. hasRecreationFacility
    Indicates that one entity provides, contains, or is equipped with a recreational facility for use by another entity or by the public.
  • C. hasRecreationalOrganization
    Indicates that an entity is associated with, or hosts, a recreational organization such as a club, team, or leisure group.
  • D. hasRecreationalArea
    Indicates that an entity includes, provides, or is associated with a designated space intended for leisure or recreational activities.
  • E. hasCivicAmenity
    Indicates that an entity possesses, provides, or is associated with a public facility or service intended for community use.
  • F. None of above.

Provenance (6 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_69d8b9edf16c8190a59ebd245d378f4f completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e485fe70648190b4107e1eabacc694 completed April 19, 2026, 7:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02efc35a048190886bb5ffb5ab708a completed May 12, 2026, 9:15 a.m.
NEDg Description generation batch_6a02f096fc648190a1ff19f2704a4cef completed May 12, 2026, 9:19 a.m.
NED2 Entity disambiguation (via description) batch_6a02f1d0a4708190bbf51356da7e965e completed May 12, 2026, 9:24 a.m.
PD Predicate disambiguation batch_69e3d8d8e538819084f1584426b41d5e completed April 18, 2026, 7:17 p.m.
Created at: April 10, 2026, 10:11 a.m.