Triple

T2790324
Position Surface form Disambiguated ID Type / Status
Subject Northern line E61912 entity
Predicate depot P14646 FINISHED
Object Golders Green depot
Golders Green depot is a major London Underground maintenance and stabling facility serving trains on the Northern line.
 E304870 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: Golders Green depot | Statement: [Northern line, depot, Golders Green depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Golders Green depot
Context triple: [Northern line, depot, Golders Green depot]
  • A. Ealing Common Depot
    Ealing Common Depot is a London Underground maintenance and stabling facility serving primarily the District line in west London.
  • B. Hammersmith depot
    Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
  • C. Beckton station
    Beckton station is the eastern terminus of the Docklands Light Railway’s Beckton branch in East London, serving a largely residential and redeveloped docklands area.
  • D. Neasden Depot
    Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
  • E. Ruislip depot
    Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
  • 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: Golders Green depot
Triple: [Northern line, depot, Golders Green depot]
Generated description
Golders Green depot is a major London Underground maintenance and stabling facility serving trains on the Northern line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Golders Green depot
Target entity description: Golders Green depot is a major London Underground maintenance and stabling facility serving trains on the Northern line.
  • A. Ealing Common Depot
    Ealing Common Depot is a London Underground maintenance and stabling facility serving primarily the District line in west London.
  • B. Hammersmith depot
    Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
  • C. Beckton station
    Beckton station is the eastern terminus of the Docklands Light Railway’s Beckton branch in East London, serving a largely residential and redeveloped docklands area.
  • D. Neasden Depot
    Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
  • E. Ruislip depot
    Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
  • 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_69ab4b7f51d881908768300ebd2fbdae completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abddb4ef3081909122840a357801bf completed March 7, 2026, 8:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01d5d830081909b4f5c9ec6188377 completed March 10, 2026, 1:32 p.m.
NEDg Description generation batch_69b01f73ff708190924f6e12d5688cc7 completed March 10, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_69b020fe69b881909b576a5321126a7c completed March 10, 2026, 1:47 p.m.
Created at: March 6, 2026, 9:58 p.m.