Triple

T8781286
Position Surface form Disambiguated ID Type / Status
Subject London Borough of Redbridge E208731 entity
Predicate hasUndergroundStation P918 FINISHED
Object Fairlop tube station
Fairlop tube station is a London Underground station on the Central line serving the Fairlop area in the London Borough of Redbridge.
 E757995 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: Fairlop tube station | Statement: [London Borough of Redbridge, hasUndergroundStation, Fairlop tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fairlop tube station
Context triple: [London Borough of Redbridge, hasUndergroundStation, Fairlop tube station]
  • A. Archway tube station
    Archway tube station is a London Underground station in north London serving the Archway and Holloway areas on the Northern line.
  • B. Northwood tube station
    Northwood tube station is a London Underground station in the suburban area of Northwood, serving the Metropolitan line in northwest London.
  • C. Southgate tube station
    Southgate tube station is a Grade II* listed London Underground station on the Piccadilly line, noted for its distinctive 1930s modernist architecture and circular design.
  • D. Northwood Hills tube station
    Northwood Hills tube station is a London Underground station on the Metropolitan line serving the Northwood Hills area in the London Borough of Hillingdon.
  • E. 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.
  • 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: Fairlop tube station
Triple: [London Borough of Redbridge, hasUndergroundStation, Fairlop tube station]
Generated description
Fairlop tube station is a London Underground station on the Central line serving the Fairlop area in the London Borough of Redbridge.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fairlop tube station
Target entity description: Fairlop tube station is a London Underground station on the Central line serving the Fairlop area in the London Borough of Redbridge.
  • A. Archway tube station
    Archway tube station is a London Underground station in north London serving the Archway and Holloway areas on the Northern line.
  • B. Northwood tube station
    Northwood tube station is a London Underground station in the suburban area of Northwood, serving the Metropolitan line in northwest London.
  • C. Southgate tube station
    Southgate tube station is a Grade II* listed London Underground station on the Piccadilly line, noted for its distinctive 1930s modernist architecture and circular design.
  • D. Northwood Hills tube station
    Northwood Hills tube station is a London Underground station on the Metropolitan line serving the Northwood Hills area in the London Borough of Hillingdon.
  • E. 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.
  • 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_69ca835fbee88190bf625939bac48d7f completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5f55b7b08190ab3e18cd634a144b completed March 31, 2026, 11:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf51df4a608190883a093dbd169976 completed April 3, 2026, 5:36 a.m.
NEDg Description generation batch_69cf54d366608190a94797b10389e6ca completed April 3, 2026, 5:49 a.m.
NED2 Entity disambiguation (via description) batch_69cf55940918819088ed8a6ea2f8f460 completed April 3, 2026, 5:52 a.m.
Created at: March 30, 2026, 6:42 p.m.