Aletsch Glacier
E99774
Aletsch Glacier is the largest and longest glacier in the Alps, renowned for its impressive ice mass and location within the UNESCO-listed Jungfrau-Aletsch region of Switzerland.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T688681 — 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: Aletsch Glacier Context triple: [Valais, contains, Aletsch Glacier]
-
A.
Rhône Glacier
The Rhône Glacier is a major Alpine glacier in the Swiss Alps that historically fed the Rhône River and has become a prominent example of glacial retreat due to climate change.
-
B.
Glacier des Bossons
Glacier des Bossons is a prominent valley glacier on the French side of the Mont Blanc massif, known for descending close to the Chamonix valley and being one of the most visible glaciers in the Alps.
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C.
Mont-Blanc glacial system
The Mont-Blanc glacial system is the extensive network of interconnected glaciers and icefields surrounding Mont Blanc in the Alps, forming one of Western Europe’s largest and most studied mountain glaciation complexes.
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D.
Aneto glacier
The Aneto glacier is the largest glacier in the Pyrenees, lying on the northern slopes of Aneto, the range’s highest peak.
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E.
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.
- 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: Aletsch Glacier Target entity description: Aletsch Glacier is the largest and longest glacier in the Alps, renowned for its impressive ice mass and location within the UNESCO-listed Jungfrau-Aletsch region of Switzerland.
-
A.
Rhône Glacier
The Rhône Glacier is a major Alpine glacier in the Swiss Alps that historically fed the Rhône River and has become a prominent example of glacial retreat due to climate change.
-
B.
Glacier des Bossons
Glacier des Bossons is a prominent valley glacier on the French side of the Mont Blanc massif, known for descending close to the Chamonix valley and being one of the most visible glaciers in the Alps.
-
C.
Mont-Blanc glacial system
The Mont-Blanc glacial system is the extensive network of interconnected glaciers and icefields surrounding Mont Blanc in the Alps, forming one of Western Europe’s largest and most studied mountain glaciation complexes.
-
D.
Aneto glacier
The Aneto glacier is the largest glacier in the Pyrenees, lying on the northern slopes of Aneto, the range’s highest peak.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
glacier
ⓘ
valley glacier ⓘ |
| affectedBy | climate change ⓘ |
| drainsInto | Massa River ⓘ |
| feeds | Massa River ⓘ |
| flowsTowards | southwest ⓘ |
| formsPartOf |
Aletsch Arena tourist region
ⓘ
linked to:
Aletsch Arena ski area
|
| hasAccumulationAreaNear |
Aletschfirn
ⓘ
Jungfraujoch ⓘ |
| hasArea |
about 31 square miles
ⓘ
around 80 square kilometers ⓘ |
| hasFeature |
crevasses
ⓘ
icefall zones ⓘ moraines ⓘ |
| hasLanguageNameGerman |
Grosser Aletschgletscher
ⓘ
linked to:
Aletsch Glacier
|
| hasLength |
about 23 km
ⓘ
approximately 14 miles ⓘ |
| hasMaximumThickness |
over 2,600 feet
ⓘ
over 800 meters ⓘ |
| hasNearbySettlement |
Bettmeralp
ⓘ
Fiesch ⓘ Riederalp ⓘ |
| hasOrientation | roughly southwest–northeast ⓘ |
| hasRetreatedSince | 19th century ⓘ |
| hasStatus | retreating glacier ⓘ |
| hasSurfaceElevationRange |
about 1,600–4,000 meters above sea level
ⓘ
about 5,250–13,100 feet above sea level ⓘ |
| hasTerminusNear |
Bettmeralp
ⓘ
Riederalp ⓘ |
| isComposedOf | ice ⓘ |
| isImportantFor |
Alpine hydrology
ⓘ
regional water resources ⓘ tourism in Valais ⓘ |
| isLargestGlacierIn | Alps ⓘ |
| isLongestGlacierIn | Alps ⓘ |
| isMonitoredBy | glaciologists ⓘ |
| isPopularFor |
hiking
ⓘ
mountaineering ⓘ sightseeing ⓘ |
| locatedIn |
Canton of Valais
ⓘ
Swiss Alps ⓘ Switzerland ⓘ |
| overlookedFrom |
Bettmerhorn
ⓘ
Eggishorn ⓘ Moosfluh ⓘ
linked to:
Bettmerhorn
|
| partOf |
Bernese Alps
ⓘ
Jungfrau-Aletsch region ⓘ UNESCO World Heritage Site Jungfrau-Aletsch ⓘ
linked to:
Jungfrau-Aletsch region
|
| recognizedAs |
UNESCO World Heritage natural site component
ⓘ
linked to:
UNESCO World Heritage Site component
|
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: Aletsch Glacier Description of subject: Aletsch Glacier is the largest and longest glacier in the Alps, renowned for its impressive ice mass and location within the UNESCO-listed Jungfrau-Aletsch region of Switzerland.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier
subject linked to:
Valais, Switzerland
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier
linked to: Aletsch Glacier