Triple

T4964583
Position Surface form Disambiguated ID Type / Status
Subject North Harrow E111490 entity
Predicate hasTransport P1298 FINISHED
Object 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.
 E482094 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: North Harrow Underground station | Statement: [North Harrow, hasTransport, North Harrow Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Harrow Underground station
Context triple: [North Harrow, hasTransport, North Harrow Underground station]
  • A. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • B. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • C. 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.
  • D. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • E. Borough Underground station
    Borough Underground station is a London Underground station on the Northern line serving the Borough area in the London Borough of Southwark.
  • 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: North Harrow Underground station
Triple: [North Harrow, hasTransport, North Harrow Underground station]
Generated description
North Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban area of North Harrow in northwest London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: North Harrow Underground station
Target entity description: North Harrow Underground station is a London Underground station on the Metropolitan line serving the suburban area of North Harrow in northwest London.
  • A. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • B. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • C. 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.
  • D. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • E. Borough Underground station
    Borough Underground station is a London Underground station on the Northern line serving the Borough area in the London Borough of Southwark.
  • 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_69bd4419393c819086319a6fe4bf8542 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd71f693b48190b3523cd314303cbe completed March 20, 2026, 4:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69be81edb99481909397559479c3badb completed March 21, 2026, 11:33 a.m.
NEDg Description generation batch_69be82b3aab08190a0bbdb94067fecfb completed March 21, 2026, 11:36 a.m.
NED2 Entity disambiguation (via description) batch_69be8323963481909b5c9902c4b0188d completed March 21, 2026, 11:38 a.m.
Created at: March 20, 2026, 1:32 p.m.