Triple

T474789
Position Surface form Disambiguated ID Type / Status
Subject London Underground E9036 entity
Predicate hasPart P35 FINISHED
Object District line
The District line is a major London Underground service running across central and western London, known for its green color on the Tube map and extensive coverage of suburban areas.
E60293 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: District line | Statement: [London Underground, hasPart, District line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: District line
Context triple: [London Underground, hasPart, District line]
  • A. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • B. Bakerloo line
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • C. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • D. Fife Circle Line
    The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
  • E. London Overground
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • 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: District line
Triple: [London Underground, hasPart, District line]
Generated description
The District line is a major London Underground service running across central and western London, known for its green color on the Tube map and extensive coverage of suburban areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: District line
Target entity description: The District line is a major London Underground service running across central and western London, known for its green color on the Tube map and extensive coverage of suburban areas.
  • A. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • B. Bakerloo line
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • C. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • D. Fife Circle Line
    The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
  • E. London Overground
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • 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_69a2e7ff81708190b0507a24a997232c completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f039f3d88190a7c93ecbf1bf5f58 completed Feb. 28, 2026, 1:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4711cd9ac8190bc95a6560950525b completed March 1, 2026, 5:02 p.m.
NEDg Description generation batch_69a47180628c8190b801210ec5edf071 completed March 1, 2026, 5:04 p.m.
NED2 Entity disambiguation (via description) batch_69a4721291a08190bc0b6f3aaadf8b71 completed March 1, 2026, 5:06 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.