Bopeep Tunnel
E572981
Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bopeep Tunnel canonical | 1 |
| Spa Tunnel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6173312 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bopeep Tunnel Context triple: [Tonbridge–Hastings railway, hasStructure, Bopeep Tunnel]
-
A.
Bosley Tunnel
Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
-
D.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
-
E.
Roki Tunnel
Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bopeep Tunnel Target entity description: Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
-
A.
Bosley Tunnel
Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Wawona Tunnel
Wawona Tunnel is a historic highway tunnel in Yosemite National Park that serves as the dramatic western gateway to the famous Tunnel View overlook of Yosemite Valley.
-
D.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
-
E.
Roki Tunnel
Roki Tunnel is a strategic road tunnel through the Caucasus Mountains that serves as a key transport link between Russia and the breakaway region of South Ossetia in Georgia.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf | railway tunnel ⓘ |
| country | England ⓘ |
| electrification | 750 V DC third rail ⓘ |
| gauge | standard gauge ⓘ |
| hasEntranceDirection | east–west alignment ⓘ |
| hasFunction | carries railway under coastal cliffs ⓘ |
| lineServed | Tonbridge–Hastings line ⓘ |
| locatedIn |
East Sussex
ⓘ
St Leonards area of Hastings ⓘ
linked to:
St Leonards-on-Sea
|
| locatedNear |
English Channel coast
ⓘ
St Leonards-on-Sea ⓘ |
| locatedOn | south coast of England ⓘ |
| material | brick-lined ⓘ |
| nearbyStation |
St Leonards Warrior Square railway station
ⓘ
West St Leonards railway station ⓘ |
| openedForTraffic | 19th century ⓘ |
| owner | Network Rail ⓘ |
| partOf | Hastings line ⓘ |
| partOfNetwork |
National Rail network of Great Britain
ⓘ
linked to:
National Rail
|
| passesThrough | coastal cliffs ⓘ |
| railwayOperator | Southeastern ⓘ |
| region | South East England ⓘ |
| structureType | bored tunnel ⓘ |
| trackConfiguration | double track ⓘ |
| usedFor |
freight rail traffic
ⓘ
passenger rail traffic ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bopeep Tunnel Description of subject: Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bopeep Tunnel