Triple

T8325998
Position Surface form Disambiguated ID Type / Status
Subject Walthamstow, Essex, England E194955 entity
Predicate hasLandmark P105 FINISHED
Object Walthamstow Stadium (former greyhound racing track)
Walthamstow Stadium was a famous Art Deco greyhound racing track in Walthamstow, London, renowned for its iconic neon signage and status as one of Britain’s best-known dog racing venues before its closure.
 E725147 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: Walthamstow Stadium (former greyhound racing track) | Statement: [Walthamstow, Essex, England, hasLandmark, Walthamstow Stadium (former greyhound racing track)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Walthamstow Stadium (former greyhound racing track)
Context triple: [Walthamstow, Essex, England, hasLandmark, Walthamstow Stadium (former greyhound racing track)]
  • A. Doncaster Greyhound Stadium
    Doncaster Greyhound Stadium, also known as Belle Vue, was a former greyhound racing track in Doncaster, South Yorkshire, England.
  • B. Almondvale Stadium
    Almondvale Stadium is a football stadium in Livingston, Scotland, best known as the home venue of Livingston F.C.
  • C. Vicarage Road Stadium
    Vicarage Road Stadium is a football ground in Watford, England, best known as the long-time home of Watford Football Club.
  • D. Wolverhampton Racecourse
    Wolverhampton Racecourse is a prominent British horse racing venue in Wolverhampton, known for its all-weather track and regular flat racing fixtures.
  • E. Green Park Stadium
    Green Park Stadium is a prominent international cricket ground in Kanpur, India, known for hosting major Test and One Day International matches.
  • 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: Walthamstow Stadium (former greyhound racing track)
Triple: [Walthamstow, Essex, England, hasLandmark, Walthamstow Stadium (former greyhound racing track)]
Generated description
Walthamstow Stadium was a famous Art Deco greyhound racing track in Walthamstow, London, renowned for its iconic neon signage and status as one of Britain’s best-known dog racing venues before its closure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Walthamstow Stadium (former greyhound racing track)
Target entity description: Walthamstow Stadium was a famous Art Deco greyhound racing track in Walthamstow, London, renowned for its iconic neon signage and status as one of Britain’s best-known dog racing venues before its closure.
  • A. Doncaster Greyhound Stadium
    Doncaster Greyhound Stadium, also known as Belle Vue, was a former greyhound racing track in Doncaster, South Yorkshire, England.
  • B. Almondvale Stadium
    Almondvale Stadium is a football stadium in Livingston, Scotland, best known as the home venue of Livingston F.C.
  • C. Vicarage Road Stadium
    Vicarage Road Stadium is a football ground in Watford, England, best known as the long-time home of Watford Football Club.
  • D. Wolverhampton Racecourse
    Wolverhampton Racecourse is a prominent British horse racing venue in Wolverhampton, known for its all-weather track and regular flat racing fixtures.
  • E. Green Park Stadium
    Green Park Stadium is a prominent international cricket ground in Kanpur, India, known for hosting major Test and One Day International matches.
  • 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_69ca82e7a8a88190a32bb5cc0feb012d completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7f7fba688190b696593dfb2cde5d completed March 31, 2026, 8:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd95b22afc81909c867d83a1744139 completed April 1, 2026, 10:01 p.m.
NEDg Description generation batch_69cdab60ec308190a9001f9235e556b4 completed April 1, 2026, 11:33 p.m.
NED2 Entity disambiguation (via description) batch_69cdb2e3457c8190a2d0cb6eeb81c9ef completed April 2, 2026, 12:05 a.m.
Created at: March 30, 2026, 5:56 p.m.