Triple

T16812342
Position Surface form Disambiguated ID Type / Status
Subject London–York E408644 entity
Predicate historicalRoute P12633 FINISHED
Object Great Northern Railway main line
The Great Northern Railway main line was a major 19th- and early 20th-century British railway route that formed the core trunk line of the GNR, linking London with key cities in the East Midlands and northern England.
E1235187 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: Great Northern Railway main line | Statement: [London–York, historicalRoute, Great Northern Railway main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Northern Railway main line
Context triple: [London–York, historicalRoute, Great Northern Railway main line]
  • A. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • B. Main North railway line
    The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
  • C. Great Northern railway line
    The Great Northern railway line is a major rail route in Queensland, Australia, connecting the coastal city of Townsville with inland centres such as Hughenden and Mount Isa.
  • D. Great Northern and City Railway
    The Great Northern and City Railway was a deep-level underground railway in London designed to link the Great Northern Railway’s mainline services directly into the City, later becoming part of the London Underground network.
  • E. Great Northern Railway
    Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
  • 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: Great Northern Railway main line
Triple: [London–York, historicalRoute, Great Northern Railway main line]
Generated description
The Great Northern Railway main line was a major 19th- and early 20th-century British railway route that formed the core trunk line of the GNR, linking London with key cities in the East Midlands and northern England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Northern Railway main line
Target entity description: The Great Northern Railway main line was a major 19th- and early 20th-century British railway route that formed the core trunk line of the GNR, linking London with key cities in the East Midlands and northern England.
  • A. Great Eastern Main Line
    The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
  • B. Main North railway line
    The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
  • C. Great Northern railway line
    The Great Northern railway line is a major rail route in Queensland, Australia, connecting the coastal city of Townsville with inland centres such as Hughenden and Mount Isa.
  • D. Great Northern and City Railway
    The Great Northern and City Railway was a deep-level underground railway in London designed to link the Great Northern Railway’s mainline services directly into the City, later becoming part of the London Underground network.
  • E. Great Northern Railway
    Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
  • 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_69d88394566c8190b3dcbdc72935f7fa completed April 10, 2026, 4:59 a.m.
NER Named-entity recognition batch_69e3b2df5c888190a462614e1432c357 completed April 18, 2026, 4:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00b292a5888190812539b14eb77f34 completed May 10, 2026, 4:30 p.m.
NEDg Description generation batch_6a00b32d2a588190b59bad56f8817bce completed May 10, 2026, 4:32 p.m.
NED2 Entity disambiguation (via description) batch_6a00b3d14b3c819081f435777f47eca3 completed May 10, 2026, 4:35 p.m.
Created at: April 10, 2026, 5:23 a.m.