Triple

T10985293
Position Surface form Disambiguated ID Type / Status
Subject Gloucester and Berkeley Canal E259612 entity
Predicate crossesUnder P15805 FINISHED
Object Severn Railway Bridge (historical)
The Severn Railway Bridge was a historic railway bridge over the River Severn in Gloucestershire, England, that once carried trains between Sharpness and Lydney before its partial destruction and eventual demolition in the late 20th century.
E898169 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: Severn Railway Bridge (historical) | Statement: [Gloucester and Berkeley Canal, crossesUnder, Severn Railway Bridge (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Severn Railway Bridge (historical)
Context triple: [Gloucester and Berkeley Canal, crossesUnder, Severn Railway Bridge (historical)]
  • A. Maidenhead Railway Bridge
    Maidenhead Railway Bridge is a historic Brunel-designed railway bridge over the River Thames in England, renowned for its remarkably flat brick arches and elegant engineering.
  • B. Blackfriars Railway Bridge
    Blackfriars Railway Bridge is a historic railway bridge over the River Thames in central London, carrying train services into Blackfriars station and notable for its prominent position near the City of London.
  • C. Bridgwater Town Bridge
    Bridgwater Town Bridge is a historic road bridge spanning the River Parrett in Bridgwater, Somerset, England, serving as a key crossing and local landmark in the town.
  • D. 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.
  • E. Kew Railway Bridge
    Kew Railway Bridge is a historic iron railway bridge over the River Thames in London, carrying trains between Kew and Strand-on-the-Green.
  • 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: Severn Railway Bridge (historical)
Triple: [Gloucester and Berkeley Canal, crossesUnder, Severn Railway Bridge (historical)]
Generated description
The Severn Railway Bridge was a historic railway bridge over the River Severn in Gloucestershire, England, that once carried trains between Sharpness and Lydney before its partial destruction and eventual demolition in the late 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Severn Railway Bridge (historical)
Target entity description: The Severn Railway Bridge was a historic railway bridge over the River Severn in Gloucestershire, England, that once carried trains between Sharpness and Lydney before its partial destruction and eventual demolition in the late 20th century.
  • A. Maidenhead Railway Bridge
    Maidenhead Railway Bridge is a historic Brunel-designed railway bridge over the River Thames in England, renowned for its remarkably flat brick arches and elegant engineering.
  • B. Blackfriars Railway Bridge
    Blackfriars Railway Bridge is a historic railway bridge over the River Thames in central London, carrying train services into Blackfriars station and notable for its prominent position near the City of London.
  • C. Bridgwater Town Bridge
    Bridgwater Town Bridge is a historic road bridge spanning the River Parrett in Bridgwater, Somerset, England, serving as a key crossing and local landmark in the town.
  • D. 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.
  • E. Kew Railway Bridge
    Kew Railway Bridge is a historic iron railway bridge over the River Thames in London, carrying trains between Kew and Strand-on-the-Green.
  • 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_69d6aa895f4c8190887a15460ef622f4 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d772ed1eb88190b7333b746f76a088 completed April 9, 2026, 9:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69e344d860b08190a035570191c54d7c completed April 18, 2026, 8:46 a.m.
NEDg Description generation batch_69e3556e8b408190a02a1fe194ae5750 completed April 18, 2026, 9:57 a.m.
NED2 Entity disambiguation (via description) batch_69e3591ecd548190b049ce95fe3f86d9 completed April 18, 2026, 10:12 a.m.
Created at: April 8, 2026, 9:24 p.m.