Triple

T2634353
Position Surface form Disambiguated ID Type / Status
Subject Jubilee line extension E59708 entity
Predicate includesStation P33789 FINISHED
Object West Ham Underground station
West Ham Underground station is a London Underground and National Rail interchange in east London that serves as a key stop on the Jubilee line extension and several other lines.
 E286905 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 Ham Underground station | Statement: [Jubilee line extension, includesStation, West Ham Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Ham Underground station
Context triple: [Jubilee line extension, includesStation, West Ham Underground station]
  • A. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • B. Arsenal Underground station
    Arsenal Underground station is a London Underground station on the Piccadilly line in North London, best known for serving the area around Arsenal Football Club’s Emirates Stadium.
  • C. Queensway Underground station
    Queensway Underground station is a Central line Tube station in Bayswater, London, serving the nearby Kensington Gardens and Queensway shopping area.
  • D. North Greenwich Underground station
    North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
  • 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: West Ham Underground station
Triple: [Jubilee line extension, includesStation, West Ham Underground station]
Generated description
West Ham Underground station is a London Underground and National Rail interchange in east London that serves as a key stop on the Jubilee line extension and several other lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: West Ham Underground station
Target entity description: West Ham Underground station is a London Underground and National Rail interchange in east London that serves as a key stop on the Jubilee line extension and several other lines.
  • A. Canning Town Underground station
    Canning Town Underground station is a major transport interchange in East London, serving the Jubilee line, Docklands Light Railway, and local bus routes.
  • B. Arsenal Underground station
    Arsenal Underground station is a London Underground station on the Piccadilly line in North London, best known for serving the area around Arsenal Football Club’s Emirates Stadium.
  • C. Queensway Underground station
    Queensway Underground station is a Central line Tube station in Bayswater, London, serving the nearby Kensington Gardens and Queensway shopping area.
  • D. North Greenwich Underground station
    North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
  • 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_69ab4ac8596c8190b34997e73d9e991c completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abdd1ca0248190aa15f80b2798524e completed March 7, 2026, 8:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69af98bb55f08190bb072c9b106aa748 completed March 10, 2026, 4:06 a.m.
NEDg Description generation batch_69af9990f77081908a03b454fad1fad9 completed March 10, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69af99fe48f881908a1a20f5eed8688c completed March 10, 2026, 4:11 a.m.
Created at: March 6, 2026, 9:50 p.m.