Triple

T10057782
Position Surface form Disambiguated ID Type / Status
Subject Clapham South Underground station E208904 entity
Predicate servedByService P1294 FINISHED
Object Charing Cross branch of Northern line
The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
E108771 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: Charing Cross branch of Northern line | Statement: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Charing Cross branch of Northern line
Context triple: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
  • A. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • B. Charing Cross Underground station
    Charing Cross Underground station is a central London Tube station on the Bakerloo and Northern lines, serving the Charing Cross mainline rail terminus and the surrounding West End area.
  • C. Edgware Road Station
    Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
  • D. Tottenham Court Road station
    Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
  • E. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • 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: Charing Cross branch of Northern line
Triple: [Clapham South Underground station, servedByService, Charing Cross branch of Northern line]
Generated description
The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Charing Cross branch of Northern line
Target entity description: The Charing Cross branch of the Northern line is a central London Underground route running through key West End stations such as Charing Cross, Leicester Square, and Tottenham Court Road.
  • A. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • B. Charing Cross Underground station chosen
    Charing Cross Underground station is a central London Tube station on the Bakerloo and Northern lines, serving the Charing Cross mainline rail terminus and the surrounding West End area.
  • C. Edgware Road Station
    Edgware Road Station is a London Underground station in central London serving multiple Tube lines and acting as a key interchange near Paddington.
  • D. Tottenham Court Road station
    Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
  • E. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • F. None of above.

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_69d29a5d4b308190b5b1ece1ca99be86 completed April 5, 2026, 5:22 p.m.
NEDg Description generation batch_69d29b7430248190b8965eaf1286dd7c completed April 5, 2026, 5:27 p.m.
NED2 Entity disambiguation (via description) batch_69d29c7ba9f081908f4614098d6c954b completed April 5, 2026, 5:31 p.m.
Created at: March 30, 2026, 8:57 p.m.