Triple

T2634319
Position Surface form Disambiguated ID Type / Status
Subject Circle line E59707 entity
Predicate depot P14646 FINISHED
Object Hammersmith depot
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
 E286904 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: Hammersmith depot | Statement: [Circle line, depot, Hammersmith depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hammersmith depot
Context triple: [Circle line, depot, Hammersmith depot]
  • A. Queens Road depot
    Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
  • B. Ruislip depot
    Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
  • C. Tower Hill station
    Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
  • D. Trafford depot
    Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
  • E. Woolwich Arsenal railway station
    Woolwich Arsenal railway station is a key National Rail and Docklands Light Railway interchange in Woolwich, southeast London, providing commuter and regional services into central London and beyond.
  • 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: Hammersmith depot
Triple: [Circle line, depot, Hammersmith depot]
Generated description
Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hammersmith depot
Target entity description: Hammersmith depot is a London Underground maintenance and stabling facility primarily serving the Circle and Hammersmith & City lines.
  • A. Queens Road depot
    Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
  • B. Ruislip depot
    Ruislip depot is a major London Underground maintenance and stabling facility serving trains on the Central line.
  • C. Tower Hill station
    Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
  • D. Trafford depot
    Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
  • E. Woolwich Arsenal railway station
    Woolwich Arsenal railway station is a key National Rail and Docklands Light Railway interchange in Woolwich, southeast London, providing commuter and regional services into central London and beyond.
  • 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_69ab4ac8596c8190b34997e73d9e991c completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abd8def9bc8190b2e013abffc7b191 completed March 7, 2026, 7:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69af98bb55f08190bb072c9b106aa748 completed March 10, 2026, 4:06 a.m.
NEDg Description generation batch_69af9990f77081908a03b454fad1fad9 completed March 10, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69af99fe48f881908a1a20f5eed8688c completed March 10, 2026, 4:11 a.m.
Created at: March 6, 2026, 9:50 p.m.