Triple

T1818313
Position Surface form Disambiguated ID Type / Status
Subject Marylebone E40485 entity
Predicate hasUndergroundStation P918 FINISHED
Object Baker Street station
Baker Street station is a historic London Underground station in central London, famously associated with Sherlock Holmes and serving multiple tube lines.
 E254622 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: Baker Street station | Statement: [Marylebone, hasUndergroundStation, Baker Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Baker Street station
Context triple: [Marylebone, hasUndergroundStation, Baker Street station]
  • A. 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.
  • B. Hyde Park Corner Underground station
    Hyde Park Corner Underground station is a central London Tube station on the Piccadilly line, serving the area around Hyde Park, Mayfair, and Knightsbridge.
  • C. Cannon Street station
    Cannon Street station is a central London railway terminus and London Underground station serving commuter routes in and out of the City of London.
  • D. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • E. Russell Square station
    Russell Square station is a London Underground station on the Piccadilly line, located near Russell Square and serving the Bloomsbury area in central London.
  • 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: Baker Street station
Triple: [Marylebone, hasUndergroundStation, Baker Street station]
Generated description
Baker Street station is a historic London Underground station in central London, famously associated with Sherlock Holmes and serving multiple tube lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Baker Street station
Target entity description: Baker Street station is a historic London Underground station in central London, famously associated with Sherlock Holmes and serving multiple tube lines.
  • A. 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.
  • B. Hyde Park Corner Underground station
    Hyde Park Corner Underground station is a central London Tube station on the Piccadilly line, serving the area around Hyde Park, Mayfair, and Knightsbridge.
  • C. Cannon Street station
    Cannon Street station is a central London railway terminus and London Underground station serving commuter routes in and out of the City of London.
  • D. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • E. Russell Square station
    Russell Square station is a London Underground station on the Piccadilly line, located near Russell Square and serving the Bloomsbury area in central London.
  • 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_69a8864526c081908a3a4d74f689e2c5 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa65f8c4e48190925aec9916dd6c30 completed March 6, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8929b30c8190b21f16bcb6225406 completed March 9, 2026, 8:47 a.m.
NEDg Description generation batch_69ae89f8065481909113606b0f8f1cca completed March 9, 2026, 8:51 a.m.
NED2 Entity disambiguation (via description) batch_69ae8a9a5c508190b44cdddcb22d0a6c completed March 9, 2026, 8:53 a.m.
Created at: March 4, 2026, 7:32 p.m.