Triple

T1654428
Position Surface form Disambiguated ID Type / Status
Subject Midland Railway E35764 entity
Predicate notableStructure P1544 FINISHED
Object Ribblehead Viaduct
Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
E235290 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: Ribblehead Viaduct | Statement: [Midland Railway, notableStructure, Ribblehead Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ribblehead Viaduct
Context triple: [Midland Railway, notableStructure, Ribblehead Viaduct]
  • A. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • B. Stockport Viaduct
    Stockport Viaduct is a large 19th-century brick railway viaduct in Stockport, England, notable for its many arches and its role in carrying the West Coast Main Line across the River Mersey.
  • C. Runcorn Railway Bridge
    Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
  • D. Castlefield Viaduct
    Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
  • E. Gunthorpe Bridge
    Gunthorpe Bridge is a road bridge spanning the River Trent in Nottinghamshire, England, carrying the A6097 and serving as a key local crossing point.
  • 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: Ribblehead Viaduct
Triple: [Midland Railway, notableStructure, Ribblehead Viaduct]
Generated description
Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ribblehead Viaduct
Target entity description: Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
  • A. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • B. Stockport Viaduct
    Stockport Viaduct is a large 19th-century brick railway viaduct in Stockport, England, notable for its many arches and its role in carrying the West Coast Main Line across the River Mersey.
  • C. Runcorn Railway Bridge
    Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
  • D. Castlefield Viaduct
    Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
  • E. Gunthorpe Bridge
    Gunthorpe Bridge is a road bridge spanning the River Trent in Nottinghamshire, England, carrying the A6097 and serving as a key local crossing point.
  • 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_69a8860568888190a32cd9f70acbba42 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90a8b597c81908a62b41718d85df6 completed March 5, 2026, 4:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae303cdce081909b66ec04de43cf53 completed March 9, 2026, 2:28 a.m.
NEDg Description generation batch_69ae31549dec8190b3c9e8a73d561334 completed March 9, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69ae32673a948190bd2bc136edc33344 completed March 9, 2026, 2:37 a.m.
Created at: March 4, 2026, 7:29 p.m.