Triple

T10057774
Position Surface form Disambiguated ID Type / Status
Subject Clapham South Underground station E208904 entity
Predicate adjacentStationOnNorthernLine P39709 FINISHED
Object Balham Underground station
Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
 E880568 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: Balham Underground station | Statement: [Clapham South Underground station, adjacentStationOnNorthernLine, Balham Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Balham Underground station
Context triple: [Clapham South Underground station, adjacentStationOnNorthernLine, Balham Underground station]
  • A. Hounslow Central Underground station
    Hounslow Central Underground station is a London Underground station on the Piccadilly line serving the Hounslow area in west London.
  • B. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • C. 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.
  • D. Hounslow East Underground station
    Hounslow East Underground station is a London Underground station on the Piccadilly line serving the Hounslow area in West London.
  • E. Uxbridge tube station
    Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
  • 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: Balham Underground station
Triple: [Clapham South Underground station, adjacentStationOnNorthernLine, Balham Underground station]
Generated description
Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Balham Underground station
Target entity description: Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
  • A. Hounslow Central Underground station
    Hounslow Central Underground station is a London Underground station on the Piccadilly line serving the Hounslow area in west London.
  • B. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • C. 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.
  • D. Hounslow East Underground station
    Hounslow East Underground station is a London Underground station on the Piccadilly line serving the Hounslow area in West London.
  • E. Uxbridge tube station
    Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
  • 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_69ca836094408190a36a1ea7e9a86fcd completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cdcfaf7700819084dedf7b63e789c1 completed April 2, 2026, 2:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69d998671c1c8190be2012a3faf6ba35 completed April 11, 2026, 12:40 a.m.
NEDg Description generation batch_69d99cf6c7ac8190a0ffc7bad38de3a2 completed April 11, 2026, 12:59 a.m.
NED2 Entity disambiguation (via description) batch_69dadcb861a08190bb9f64a91117f35d completed April 11, 2026, 11:43 p.m.
Created at: March 30, 2026, 8:57 p.m.