Triple

T5130770
Position Surface form Disambiguated ID Type / Status
Subject West Harrow E115691 entity
Predicate hasPublicTransport P1288 FINISHED
Object West Harrow Underground station
West Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban West Harrow area in the London Borough of Harrow.
 E496201 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: West Harrow Underground station | Statement: [West Harrow, hasPublicTransport, West Harrow Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Harrow Underground station
Context triple: [West Harrow, hasPublicTransport, West Harrow Underground station]
  • A. North Harrow Underground station
    North Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban area of North Harrow in northwest London.
  • B. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • C. Vauxhall Underground station
    Vauxhall Underground station is a London Underground station in the Vauxhall area, serving the Victoria line and providing interchange with National Rail and local bus services.
  • D. Colindale Underground station
    Colindale Underground station is a London Underground station on the Northern line serving the Colindale area in the London Borough of Barnet.
  • E. Green Park Underground station
    Green Park Underground station is a central London Tube station serving the Jubilee, Piccadilly, and Victoria lines, located near Green Park and Buckingham Palace.
  • 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: West Harrow Underground station
Triple: [West Harrow, hasPublicTransport, West Harrow Underground station]
Generated description
West Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban West Harrow area in the London Borough of Harrow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: West Harrow Underground station
Target entity description: West Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban West Harrow area in the London Borough of Harrow.
  • A. North Harrow Underground station
    North Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban area of North Harrow in northwest London.
  • B. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • C. Vauxhall Underground station
    Vauxhall Underground station is a London Underground station in the Vauxhall area, serving the Victoria line and providing interchange with National Rail and local bus services.
  • D. Colindale Underground station
    Colindale Underground station is a London Underground station on the Northern line serving the Colindale area in the London Borough of Barnet.
  • E. Green Park Underground station
    Green Park Underground station is a central London Tube station serving the Jubilee, Piccadilly, and Victoria lines, located near Green Park and Buckingham Palace.
  • 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_69bd444426bc819099ccd23f141e22aa completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd782904788190b544540483915c0e completed March 20, 2026, 4:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69bec4c626a48190b2fd81b88b5a59cc completed March 21, 2026, 4:18 p.m.
NEDg Description generation batch_69bec6728eac81908b795a7ce55f40b2 completed March 21, 2026, 4:25 p.m.
NED2 Entity disambiguation (via description) batch_69bec7895aac81908dd6388c05abb75e completed March 21, 2026, 4:30 p.m.
Created at: March 20, 2026, 1:42 p.m.