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.