Jet d'Eau
E2949
Jet d'Eau is a famous large water fountain on Lake Geneva and one of the most iconic symbols of the city of Geneva, Switzerland.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Jet d'Eau canonical | 10 |
| Jet d’Eau | 4 |
| Jet d'Eau (Geneva) (distant view) | 1 |
| Jet d'Eau in Geneva | 1 |
| Jet d’Eau fountain | 1 |
| Le Jet d’eau | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20909 — 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: Jet d'Eau Context triple: [Geneva, hasLandmark, Jet d'Eau]
-
A.
Rhône River
The Rhône River is a major European waterway that flows from the Swiss Alps through Lake Geneva into southeastern France, ultimately emptying into the Mediterranean Sea.
-
B.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
C.
France–Switzerland border
The France–Switzerland border is an international boundary in Western Europe separating France and Switzerland, notable for crossing major transport routes and sites such as the CERN research complex near Geneva.
-
D.
Geneva
Geneva is a major Swiss city on Lake Geneva known for hosting numerous international organizations, including United Nations agencies and the Red Cross.
-
E.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
- 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: Jet d'Eau Target entity description: Jet d'Eau is a famous large water fountain on Lake Geneva and one of the most iconic symbols of the city of Geneva, Switzerland.
-
A.
Rhône River
The Rhône River is a major European waterway that flows from the Swiss Alps through Lake Geneva into southeastern France, ultimately emptying into the Mediterranean Sea.
-
B.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
-
C.
France–Switzerland border
The France–Switzerland border is an international boundary in Western Europe separating France and Switzerland, notable for crossing major transport routes and sites such as the CERN research complex near Geneva.
-
D.
Geneva
Geneva is a major Swiss city on Lake Geneva known for hosting numerous international organizations, including United Nations agencies and the Red Cross.
-
E.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
fountain
ⓘ
landmark ⓘ tourist attraction ⓘ |
| basin |
Rhône River
ⓘ
surface form:
Rhône River basin
|
| city | Geneva ⓘ |
| constructionMaterial | metal ⓘ |
| country | Switzerland ⓘ |
| currentFunction | decorative fountain ⓘ |
| hasCoordinateLocation | approximately 46.2075° N 6.1550° E ⓘ |
| height |
about 140 metres
ⓘ
about 460 feet ⓘ |
| heritageStatus | emblematic monument of Geneva ⓘ |
| inception | 1951 ⓘ |
| lighting | illuminated at night ⓘ |
| locatedInOrOn | Lake Geneva ⓘ |
| locatedNear |
English Garden of Geneva
ⓘ
Jetée des Eaux-Vives ⓘ Geneva ⓘ
surface form:
Old Town of Geneva
Pont du Mont-Blanc ⓘ |
| location |
canton of Geneva
ⓘ
surface form:
Canton of Geneva
Geneva ⓘ Switzerland ⓘ |
| nameLanguage | French ⓘ |
| nameMeaning | water jet ⓘ |
| nearbyAirport | Geneva Airport ⓘ |
| nearbyInternationalOrganization |
Palais des Nations
ⓘ
surface form:
United Nations Office at Geneva
World Health Organization ⓘ
surface form:
World Health Organization headquarters
|
| notableFor |
being an iconic symbol of Geneva
ⓘ
being one of the tallest fountains in the world ⓘ |
| numberOfPumps | 2 ⓘ |
| operatedBy | Services Industriels de Genève ⓘ |
| operatingSeason | typically operates most of the year ⓘ |
| originalFunction | safety valve for a hydraulic power network ⓘ |
| partOf |
Geneva
ⓘ
surface form:
Geneva waterfront
|
| pumpingPower | about 1000 kilowatts ⓘ |
| region | Romandy ⓘ |
| replaces | original Jet d'Eau from 1886 ⓘ |
| symbolOf |
Geneva
ⓘ
Lake Geneva ⓘ
surface form:
Lake Geneva region
|
| tourismImportance | major tourist attraction in Geneva ⓘ |
| visibleFrom |
aircraft approaching Geneva
ⓘ
many parts of Geneva ⓘ |
| waterExitSpeed |
about 124 miles per hour
ⓘ
about 200 kilometres per hour ⓘ |
| waterFlowRate |
about 132 gallons per second
ⓘ
about 500 litres per second ⓘ |
| waterSource | Lake Geneva ⓘ |
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: Jet d'Eau Description of subject: Jet d'Eau is a famous large water fountain on Lake Geneva and one of the most iconic symbols of the city of Geneva, Switzerland.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Jet d'Eau (Geneva) (distant view)
subject surface form:
Flower Clock (Geneva)
this entity surface form:
Jet d’Eau
this entity surface form:
Jet d’Eau
this entity surface form:
Jet d’Eau
this entity surface form:
Le Jet d’eau
this entity surface form:
Jet d’Eau
this entity surface form:
Jet d’Eau fountain