Landwasser Viaduct
E702035
The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Landwasser Viaduct canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7875739 — 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: Landwasser Viaduct Context triple: [Rhaetian Railway, hasNotableStructure, Landwasser Viaduct]
-
A.
Viaducto
Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
-
B.
Thomas Viaduct
Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
-
C.
Nerimbera Bridge
Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
-
D.
Okertal Bridge
The Okertal Bridge is a notable road bridge spanning the Oker River in the Harz region of Germany, known for its scenic surroundings and role in regional transportation.
-
E.
Drapano Bridge
Drapano Bridge is a historic stone causeway and one of the longest stone bridges over the sea, connecting the town of Argostoli to the opposite shore on the Greek island of Kefalonia.
- 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: Landwasser Viaduct Target entity description: The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
-
A.
Viaducto
Viaducto is a Mexico City Metro station on Line 2 serving the southern part of the city near the Viaducto Miguel Alemán expressway.
-
B.
Thomas Viaduct
Thomas Viaduct is a historic early 19th-century stone railroad bridge in Maryland, notable as one of the oldest multiple-arch railroad bridges still in use in the United States.
-
C.
Nerimbera Bridge
Nerimbera Bridge is a road bridge in Queensland, Australia, that carries traffic across the Fitzroy River near Rockhampton.
-
D.
Okertal Bridge
The Okertal Bridge is a notable road bridge spanning the Oker River in the Harz region of Germany, known for its scenic surroundings and role in regional transportation.
-
E.
Drapano Bridge
Drapano Bridge is a historic stone causeway and one of the longest stone bridges over the sea, connecting the town of Argostoli to the opposite shore on the Greek island of Kefalonia.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cultural heritage monument
ⓘ
railway viaduct ⓘ stone arch bridge ⓘ |
| architect | Alexander Acatos NERFINISHED ⓘ |
| connectsTo | Landwasser Tunnel NERFINISHED ⓘ |
| constructionStartDate | 1901 ⓘ |
| country | Switzerland ⓘ |
| crosses | Landwasser River NERFINISHED ⓘ |
| curveRadius | about 100 metres ⓘ |
| designedFor | mountain railway traffic ⓘ |
| elevation | about 65 metres above river bed ⓘ |
| engineer | Friedrich Hennings NERFINISHED ⓘ |
| featuredIn |
Rhaetian Railway promotional materials
ⓘ
Swiss tourism campaigns ⓘ |
| hasPhotographicSignificance | iconic subject for railway photography ⓘ |
| hasStructureType | open-spandrel arch bridge ⓘ |
| heritageDesignation |
Rhaetian Railway in the Albula / Bernina Landscapes
NERFINISHED
ⓘ
UNESCO World Heritage Site ⓘ |
| heritageStatus | protected structure ⓘ |
| inaugurationDate | 1902 ⓘ |
| languageOfName | German ⓘ |
| length | about 136 metres ⓘ |
| locatedIn |
Swiss Alps
NERFINISHED
ⓘ
canton of Graubünden NERFINISHED ⓘ municipality of Filisur ⓘ |
| locatedNear |
Davos
NERFINISHED
ⓘ
Filisur railway station NERFINISHED ⓘ |
| locatedOnLine | Albula Railway line NERFINISHED ⓘ |
| materialUsed |
masonry
ⓘ
natural stone ⓘ |
| maximumHeight | about 65 metres ⓘ |
| namedAfter | Landwasser River NERFINISHED ⓘ |
| notableFor |
dramatic curved alignment
ⓘ
scenic alpine setting ⓘ towering stone arches ⓘ |
| numberOfArches | 6 ⓘ |
| numberOfSpans | 6 ⓘ |
| openingDate | 1903 ⓘ |
| operator | Rhaetian Railway NERFINISHED ⓘ |
| owner | Rhaetian Railway NERFINISHED ⓘ |
| partOf | Rhaetian Railway NERFINISHED ⓘ |
| railwayLineType | single-track line ⓘ |
| railwaySystem | Rhaetian Railway network NERFINISHED ⓘ |
| region | Albula Valley NERFINISHED ⓘ |
| tourismAttraction | yes ⓘ |
| trackGauge | metre gauge ⓘ |
| usedBy |
Rhaetian Railway freight trains
ⓘ
Rhaetian Railway passenger trains ⓘ |
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: Landwasser Viaduct Description of subject: The Landwasser Viaduct is a dramatic curved stone railway bridge in the Swiss Alps, renowned for its towering arches and scenic setting on the Rhaetian Railway’s Albula line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.