Triple
T10175461
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thames and Severn Canal |
E235840
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
Sapperton Tunnel
Sapperton Tunnel is a historic canal tunnel in Gloucestershire, England, notable as one of the longest and most significant engineering works on the former Thames and Severn Canal.
|
E846167
|
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: Sapperton Tunnel | Statement: [Thames and Severn Canal, hasPart, Sapperton Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sapperton Tunnel Context triple: [Thames and Severn Canal, hasPart, Sapperton Tunnel]
-
A.
Sapperton Tunnel
Sapperton Tunnel is a historic railway tunnel in Gloucestershire, England, carrying trains through the Cotswolds on the route between Swindon and Gloucester.
-
B.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
C.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
D.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
E.
Telford Tunnel
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
- 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: Sapperton Tunnel Triple: [Thames and Severn Canal, hasPart, Sapperton Tunnel]
Generated description
Sapperton Tunnel is a historic canal tunnel in Gloucestershire, England, notable as one of the longest and most significant engineering works on the former Thames and Severn Canal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sapperton Tunnel Target entity description: Sapperton Tunnel is a historic canal tunnel in Gloucestershire, England, notable as one of the longest and most significant engineering works on the former Thames and Severn Canal.
-
A.
Sapperton Tunnel
Sapperton Tunnel is a historic railway tunnel in Gloucestershire, England, carrying trains through the Cotswolds on the route between Swindon and Gloucester.
-
B.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
C.
Braunston Tunnel
Braunston Tunnel is a long 19th-century canal tunnel in Northamptonshire, England, forming a key part of the historic Grand Union Canal route.
-
D.
Cressbrook Tunnel
Cressbrook Tunnel is a former railway tunnel in Derbyshire, England, now used as part of the popular Monsal Trail walking and cycling route through the Peak District.
-
E.
Telford Tunnel
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
- 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_69ca84d1d5f88190ab878a1021ecff68 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdecd26a8c8190a391b9d5e47ebb72 |
completed | April 2, 2026, 4:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d3011742b48190bc8b8b6ba03c32b0 |
completed | April 6, 2026, 12:40 a.m. |
| NEDg | Description generation | batch_69d3028994fc81908507449a10e7e093 |
completed | April 6, 2026, 12:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d3031ed1e88190b9906338285a6e46 |
completed | April 6, 2026, 12:49 a.m. |
Created at: March 30, 2026, 9:11 p.m.