Triple

T4197739
Position Surface form Disambiguated ID Type / Status
Subject Sir William Cubitt E85993 entity
Predicate notableWork P4 FINISHED
Object London and Blackwall Railway
The London and Blackwall Railway was one of London's earliest passenger railways, originally built in the 1840s as a pioneering cable-hauled line linking the City of London to the docks at Blackwall.
E419301 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: London and Blackwall Railway | Statement: [Sir William Cubitt, notableWork, London and Blackwall Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London and Blackwall Railway
Context triple: [Sir William Cubitt, notableWork, London and Blackwall Railway]
  • A. London and Greenwich Railway
    The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
  • B. Charing Cross, Euston and Hampstead Railway
    The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
  • C. North London Railway
    The North London Railway was a British railway company that operated suburban and freight services across north London during the 19th and early 20th centuries.
  • D. Great Northern, Piccadilly and Brompton Railway
    The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
  • E. Metropolitan Railway
    The Metropolitan Railway was the pioneering underground railway in London and the world’s first urban underground passenger railway, forming the core of what became the London Underground.
  • 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: London and Blackwall Railway
Triple: [Sir William Cubitt, notableWork, London and Blackwall Railway]
Generated description
The London and Blackwall Railway was one of London's earliest passenger railways, originally built in the 1840s as a pioneering cable-hauled line linking the City of London to the docks at Blackwall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London and Blackwall Railway
Target entity description: The London and Blackwall Railway was one of London's earliest passenger railways, originally built in the 1840s as a pioneering cable-hauled line linking the City of London to the docks at Blackwall.
  • A. London and Greenwich Railway
    The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
  • B. Charing Cross, Euston and Hampstead Railway
    The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
  • C. North London Railway
    The North London Railway was a British railway company that operated suburban and freight services across north London during the 19th and early 20th centuries.
  • D. Great Northern, Piccadilly and Brompton Railway
    The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
  • E. Metropolitan Railway
    The Metropolitan Railway was the pioneering underground railway in London and the world’s first urban underground passenger railway, forming the core of what became the London Underground.
  • 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_69aed93b89f48190a31f6d57c760e42f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0360bc8081908ceb2483eef89174 completed March 9, 2026, 5:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b58a0ff2a08190ac7f89d306454ab8 completed March 14, 2026, 4:17 p.m.
NEDg Description generation batch_69b58aa95428819085048691c77e2aea completed March 14, 2026, 4:19 p.m.
NED2 Entity disambiguation (via description) batch_69b58b34c4e881909fd44fbe8acedda4 completed March 14, 2026, 4:22 p.m.
Created at: March 9, 2026, 3:48 p.m.