Triple

T6996399
Position Surface form Disambiguated ID Type / Status
Subject Great Eastern Railway E162225 entity
Predicate operatedFacility P105 FINISHED
Object Stratford railway depot
Stratford railway depot was a major locomotive and rolling stock maintenance facility in Stratford, London, historically associated with the Great Eastern Railway and later British Rail.
 E634478 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: Stratford railway depot | Statement: [Great Eastern Railway, operatedFacility, Stratford railway depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Stratford railway depot
Context triple: [Great Eastern Railway, operatedFacility, Stratford railway depot]
  • A. Stonebridge Park depot
    Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
  • B. Queen's Park depot
    Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
  • C. Stratford station
    Stratford station is a major rail, Underground, and DLR hub in East London serving as a key interchange for local, regional, and national services.
  • D. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • E. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • 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: Stratford railway depot
Triple: [Great Eastern Railway, operatedFacility, Stratford railway depot]
Generated description
Stratford railway depot was a major locomotive and rolling stock maintenance facility in Stratford, London, historically associated with the Great Eastern Railway and later British Rail.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Stratford railway depot
Target entity description: Stratford railway depot was a major locomotive and rolling stock maintenance facility in Stratford, London, historically associated with the Great Eastern Railway and later British Rail.
  • A. Stonebridge Park depot
    Stonebridge Park depot is a London Underground maintenance and stabling facility serving trains on the Bakerloo line.
  • B. Queen's Park depot
    Queen's Park depot is a London Underground maintenance and stabling facility associated with the Bakerloo line near Queen's Park in northwest London.
  • C. Stratford station
    Stratford station is a major rail, Underground, and DLR hub in East London serving as a key interchange for local, regional, and national services.
  • D. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • E. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • 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_69c68857ffc08190857dc62cd5253777 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6dbedafa48190af0d2b47e3a1e17e completed March 27, 2026, 7:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69c76a1fa11481908450978acc1e0913 completed March 28, 2026, 5:41 a.m.
NEDg Description generation batch_69c76b84f5688190a0aef7cd8695c6b0 completed March 28, 2026, 5:47 a.m.
NED2 Entity disambiguation (via description) batch_69c76be95ecc8190a57ff197f236d434 completed March 28, 2026, 5:49 a.m.
Created at: March 27, 2026, 2:32 p.m.