Malpas Tunnel
E327972
Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Malpas Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3105923 — 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: Malpas Tunnel Context triple: [Canal du Midi, hasPart, Malpas Tunnel]
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
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.
-
C.
Butterley Tunnel
Butterley Tunnel is a historic 18th-century canal tunnel in Derbyshire, England, renowned as a major engineering work of the early British canal era.
-
D.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- 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: Malpas Tunnel Target entity description: Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
-
A.
Blisworth Tunnel
Blisworth Tunnel is one of the longest navigable canal tunnels in Britain, carrying the Grand Union Canal beneath the Northamptonshire countryside.
-
B.
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.
-
C.
Butterley Tunnel
Butterley Tunnel is a historic 18th-century canal tunnel in Derbyshire, England, renowned as a major engineering work of the early British canal era.
-
D.
Harecastle Tunnel
Harecastle Tunnel is a historic and notoriously long canal tunnel in Staffordshire, England, known for its low, narrow passage and role in improving industrial-era transport on the Trent and Mersey Canal.
-
E.
Foulridge Tunnel
Foulridge Tunnel is a historic canal tunnel in Lancashire, England, carrying the Leeds and Liverpool Canal beneath the village of Foulridge and surrounding hills.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
canal tunnel
ⓘ
historic structure ⓘ navigation tunnel ⓘ |
| architect | Pierre-Paul Riquet ⓘ |
| constructionMaterial | rock ⓘ |
| country | France ⓘ |
| crosses | Colline d’Ensérune ⓘ |
| currentUse | pleasure boating ⓘ |
| elevation | low hill terrain ⓘ |
| hasAccess | towpath ⓘ |
| hasConstructionPeriod | during construction of Canal du Midi ⓘ |
| hasCulturalSignificance | symbol of Canal du Midi engineering ⓘ |
| hasEngineeringSignificance | first canal tunnel built in France ⓘ |
| hasFunction | allows canal to pass through hill ⓘ |
| hasHeritageStatus | protected historic site ⓘ |
| hasHistoricalEra |
Ancien Régime
ⓘ
surface form:
Ancien Régime France
|
| hasLanguage | French ⓘ |
| hasNavigationStatus | navigable ⓘ |
| hasNearbyFeature | Montady basin ⓘ |
| hasNearbySite | Oppidum d’Ensérune archaeological site ⓘ |
| hasOriginalPurpose | commercial navigation ⓘ |
| hasOwner |
French state (partially)
ⓘ
surface form:
French state
|
| hasTourism | tourist attraction ⓘ |
| hasType | navigation infrastructure ⓘ |
| hasUse | navigation ⓘ |
| heritageDesignation | UNESCO World Heritage Site ⓘ |
| heritageDesignationPartOf |
Canal du Midi
ⓘ
surface form:
Canal du Midi UNESCO World Heritage Site
|
| inception | 17th century ⓘ |
| isPartOf |
Canal du Midi
ⓘ
surface form:
Canal du Midi infrastructure
|
| length | approximately 165 metres ⓘ |
| locatedIn |
Hérault
ⓘ
surface form:
Hérault department
Occitanie ⓘ
surface form:
Occitanie region
Oppidum d’Ensérune area ⓘ southern France ⓘ |
| locatedNear |
Béziers
ⓘ
Étang de Montady ⓘ |
| managedBy | Voies navigables de France ⓘ |
| notableFor |
being one of the first navigable canal tunnels in the world
ⓘ
early example of canal engineering ⓘ |
| opened | 17th century ⓘ |
| partOf | Canal du Midi ⓘ |
| region | Occitanie ⓘ |
| underlies | Ensérune hill ⓘ |
| waterway | Canal du Midi ⓘ |
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: Malpas Tunnel Description of subject: Malpas Tunnel is a historic canal tunnel in southern France, notable as one of the first navigable tunnels built for the Canal du Midi in the 17th century.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.