Triple
T6173314
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tonbridge–Hastings railway |
E137755
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Wadhurst Tunnel
Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
|
E575751
|
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: Wadhurst Tunnel | Statement: [Tonbridge–Hastings railway, hasStructure, Wadhurst Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wadhurst Tunnel Context triple: [Tonbridge–Hastings railway, hasStructure, Wadhurst Tunnel]
-
A.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
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.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
E.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
- 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: Wadhurst Tunnel Triple: [Tonbridge–Hastings railway, hasStructure, Wadhurst Tunnel]
Generated description
Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wadhurst Tunnel Target entity description: Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
-
A.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
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.
Dartford Tunnel
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
E.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
- 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_69c008a68c508190a8d78245c865960e |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05d94c47481909745b2533926a1ca |
completed | March 22, 2026, 9:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16ee938748190ad03e19c241b0881 |
completed | March 23, 2026, 4:48 p.m. |
| NEDg | Description generation | batch_69c1e26bd8688190a8689f6a0f8c0c74 |
completed | March 24, 2026, 1:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c1e352fb648190ae6165b983294a60 |
completed | March 24, 2026, 1:05 a.m. |
Created at: March 22, 2026, 4:18 p.m.