Dufour Map
E94028
The Dufour Map is a pioneering 19th-century topographic map of Switzerland, renowned for its precision and detail and produced under the direction of Swiss engineer and cartographer Guillaume-Henri Dufour.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dufour Map canonical | 5 |
| Swisstopo topographic maps | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T790662 — 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: Dufour Map Context triple: [Guillaume-Henri Dufour, notableWork, Dufour Map]
-
A.
Plan de l’Aiguille
Plan de l’Aiguille is a high-altitude plateau and popular hiking hub in the Mont Blanc massif, serving as the mid-station of the Aiguille du Midi cable car above Chamonix, France.
-
B.
Ai-Petri Mountain
Ai-Petri Mountain is a striking peak in Crimea’s Crimean Mountains, famous for its jagged cliffs, panoramic views over the Black Sea coast, and popular cable car access from nearby resort towns.
-
C.
Donuzlav
Donuzlav is a deep-water lagoon and naval harbor in western Crimea that serves as a strategic base for Russian Black Sea naval operations.
-
D.
Mer de Glace
Mer de Glace is the largest glacier in France, flowing down the northern slopes of the Mont Blanc massif in the French Alps and serving as a major tourist attraction near Chamonix.
-
E.
Meyrin
Meyrin is a municipality in the canton of Geneva, Switzerland, best known for hosting major CERN facilities including the Super Proton Synchrotron.
- 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: Dufour Map Target entity description: The Dufour Map is a pioneering 19th-century topographic map of Switzerland, renowned for its precision and detail and produced under the direction of Swiss engineer and cartographer Guillaume-Henri Dufour.
-
A.
Plan de l’Aiguille
Plan de l’Aiguille is a high-altitude plateau and popular hiking hub in the Mont Blanc massif, serving as the mid-station of the Aiguille du Midi cable car above Chamonix, France.
-
B.
Ai-Petri Mountain
Ai-Petri Mountain is a striking peak in Crimea’s Crimean Mountains, famous for its jagged cliffs, panoramic views over the Black Sea coast, and popular cable car access from nearby resort towns.
-
C.
Donuzlav
Donuzlav is a deep-water lagoon and naval harbor in western Crimea that serves as a strategic base for Russian Black Sea naval operations.
-
D.
Mer de Glace
Mer de Glace is the largest glacier in France, flowing down the northern slopes of the Mont Blanc massif in the French Alps and serving as a major tourist attraction near Chamonix.
-
E.
Meyrin
Meyrin is a municipality in the canton of Geneva, Switzerland, best known for hosting major CERN facilities including the Super Proton Synchrotron.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
national map
ⓘ
topographic map ⓘ |
| cartographer | Guillaume-Henri Dufour ⓘ |
| completionDate | 1865 ⓘ |
| coordinateSystem | Swiss coordinate system of the 19th century ⓘ |
| country | Switzerland ⓘ |
| depictsFeature |
Jura Mountains
ⓘ
Lake Constance ⓘ Lake Geneva ⓘ Swiss Alps ⓘ Swiss Plateau ⓘ major Swiss rivers ⓘ |
| director | Guillaume-Henri Dufour ⓘ |
| followedBy |
modern Swiss National Maps
ⓘ
linked to:
Swiss Federal Office of Topography swisstopo
|
| heritageStatus | historically significant Swiss cartographic work ⓘ |
| influenced | later Swiss cartography ⓘ |
| institutionalProducer | Swiss Confederation ⓘ |
| language |
French
ⓘ
German ⓘ Italian ⓘ |
| locationOfOriginals |
Swiss Federal Archives
ⓘ
swisstopo archives ⓘ
linked to:
Swiss Federal Office of Topography swisstopo
|
| mainSubject | Switzerland ⓘ |
| mapSeries | 25 sheets ⓘ |
| namedAfter | Guillaume-Henri Dufour ⓘ |
| notableFor |
detailed relief representation
ⓘ
high precision ⓘ pioneering national survey of Switzerland ⓘ |
| precededBy | regional Swiss maps ⓘ |
| printingTechnique | copperplate engraving ⓘ |
| productionStart | 1832 ⓘ |
| projection | conformal cylindrical projection ⓘ |
| publicationEnd | 1865 ⓘ |
| publicationStart | 1845 ⓘ |
| publisher | Federal Topographic Bureau ⓘ |
| scale | 1:100000 ⓘ |
| successor | Siegfried Map ⓘ |
| timePeriod | 19th century ⓘ |
| usedFor |
administration
ⓘ
civil engineering ⓘ military planning ⓘ scientific research ⓘ |
| uses | hachures for relief ⓘ |
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: Dufour Map Description of subject: The Dufour Map is a pioneering 19th-century topographic map of Switzerland, renowned for its precision and detail and produced under the direction of Swiss engineer and cartographer Guillaume-Henri Dufour.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.