Garabit Viaduct
E52334
The Garabit Viaduct is a 19th-century wrought-iron railway arch bridge in southern France, renowned as an engineering landmark and one of the most impressive early large-scale works of Gustave Eiffel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Garabit Viaduct canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T399801 — 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: Garabit Viaduct Context triple: [Gustave Eiffel, designed, Garabit Viaduct]
-
A.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
B.
Fréjus Rail Tunnel
The Fréjus Rail Tunnel is a major Alpine railway tunnel linking France and Italy, playing a key role in trans-European rail transport.
-
C.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
D.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
-
E.
Fréjus Road Tunnel
The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
- 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: Garabit Viaduct Target entity description: The Garabit Viaduct is a 19th-century wrought-iron railway arch bridge in southern France, renowned as an engineering landmark and one of the most impressive early large-scale works of Gustave Eiffel.
-
A.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
B.
Fréjus Rail Tunnel
The Fréjus Rail Tunnel is a major Alpine railway tunnel linking France and Italy, playing a key role in trans-European rail transport.
-
C.
Crimean Bridge
The Crimean Bridge is a massive road-and-rail bridge spanning the Kerch Strait, linking mainland Russia with the Crimean Peninsula and serving as a key strategic and political infrastructure project.
-
D.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
-
E.
Fréjus Road Tunnel
The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
arch bridge
ⓘ
railway bridge ⓘ viaduct ⓘ wrought-iron bridge ⓘ |
| architect | Léon Boyer ⓘ |
| category |
Arch bridges in France
ⓘ
Bridges in Auvergne-Rhône-Alpes ⓘ Railway bridges in France ⓘ |
| color | red ⓘ |
| constructionEndDate | 1884 ⓘ |
| constructionStartDate | 1880 ⓘ |
| constructionTechnique | riveted iron construction ⓘ |
| country | France ⓘ |
| crosses | Truyère River ⓘ |
| designer | Gustave Eiffel ⓘ |
| engineer | Gustave Eiffel ⓘ |
| function | carries railway traffic ⓘ |
| hasLighting | illuminated at night ⓘ |
| heritageStatus |
engineering landmark
ⓘ
monument historique of France ⓘ |
| knownFor |
early large-scale iron construction
ⓘ
influence on later Eiffel structures ⓘ large central arch ⓘ |
| locatedIn |
Cantal department
ⓘ
southern France ⓘ
linked to:
south-central France
|
| locatedNear |
Ruinès
ⓘ
Saint-Flour ⓘ |
| locatedOn | Truyère gorge ⓘ |
| maintainedBy |
SNCF
ⓘ
linked to:
SNCF Réseau
|
| materialUsed | wrought iron ⓘ |
| namedAfter | Garabit site ⓘ |
| notableWorkOf | Gustave Eiffel ⓘ |
| numberOfSpans | multiple spans ⓘ |
| openingDate | 1885 ⓘ |
| owner |
SNCF
ⓘ
linked to:
SNCF Réseau
|
| partOf |
French railway network
ⓘ
linked to:
SNCF Réseau
|
| passesThrough |
Massif Central region
ⓘ
linked to:
Massif Central
|
| railGauge | standard gauge ⓘ |
| railwayLine | Béziers–Neussargues railway ⓘ |
| region |
Auvergne-Rhône-Alpes
ⓘ
linked to:
Auvergne-Rhône-Alpes region
|
| significance | symbol of 19th-century French engineering ⓘ |
| status | in use ⓘ |
| structureType | lattice girder arch ⓘ |
| timePeriod | 19th century ⓘ |
| touristAttraction | yes ⓘ |
| usedFor | rail transport ⓘ |
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: Garabit Viaduct Description of subject: The Garabit Viaduct is a 19th-century wrought-iron railway arch bridge in southern France, renowned as an engineering landmark and one of the most impressive early large-scale works of Gustave Eiffel.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.