South-Southeast Ridge of K2
E302541
The South-Southeast Ridge of K2, commonly known as the Cesen Route, is a major climbing line on the world’s second-highest mountain that offers a slightly less technical but still highly dangerous alternative to the Abruzzi Spur.
All labels observed (2)
| Label | Occurrences |
|---|---|
| South-Southeast Ridge of K2 canonical | 1 |
| south-southeast ridge of K2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2816567 — 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: South-Southeast Ridge of K2 Context triple: [Cesen Route, alsoKnownAs, South-Southeast Ridge of K2]
-
A.
North Ridge of K2
The North Ridge of K2 is a major, technically demanding climbing route on the world’s second-highest mountain, rising from the Chinese side and known for its extreme altitude, exposure, and objective hazards.
-
B.
Saltoro Ridge
Saltoro Ridge is a strategically significant mountain range in the eastern Karakoram, forming part of the disputed Siachen region between India and Pakistan.
-
C.
Baltoro Glacier
Baltoro Glacier is one of the world’s largest and most famous mountain glaciers, located in Pakistan’s Karakoram range and serving as a key route to K2 and other high peaks.
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D.
Baltoro Muztagh
Baltoro Muztagh is a prominent subrange of the Karakoram in the Himalayas, known for its towering peaks and extensive glaciers, including some of the world’s highest mountains.
-
E.
Gasherbrum II
Gasherbrum II is one of the world’s fourteen eight-thousanders, a major Himalayan peak standing 8,035 meters tall on the China–Pakistan border.
- 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: South-Southeast Ridge of K2 Target entity description: The South-Southeast Ridge of K2, commonly known as the Cesen Route, is a major climbing line on the world’s second-highest mountain that offers a slightly less technical but still highly dangerous alternative to the Abruzzi Spur.
-
A.
North Ridge of K2
The North Ridge of K2 is a major, technically demanding climbing route on the world’s second-highest mountain, rising from the Chinese side and known for its extreme altitude, exposure, and objective hazards.
-
B.
Saltoro Ridge
Saltoro Ridge is a strategically significant mountain range in the eastern Karakoram, forming part of the disputed Siachen region between India and Pakistan.
-
C.
Baltoro Glacier
Baltoro Glacier is one of the world’s largest and most famous mountain glaciers, located in Pakistan’s Karakoram range and serving as a key route to K2 and other high peaks.
-
D.
Baltoro Muztagh
Baltoro Muztagh is a prominent subrange of the Karakoram in the Himalayas, known for its towering peaks and extensive glaciers, including some of the world’s highest mountains.
-
E.
Gasherbrum II
Gasherbrum II is one of the world’s fourteen eight-thousanders, a major Himalayan peak standing 8,035 meters tall on the China–Pakistan border.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
K2 route
ⓘ
climbing route ⓘ mountaineering route ⓘ |
| alsoKnownAs | Cesen Route ⓘ |
| alternativeTo | Abruzzi Spur ⓘ |
| altitudeEnvironment | extreme high altitude ⓘ |
| climbedInSeason | summer climbing season on K2 ⓘ |
| climbingStyle |
alpine style
ⓘ
expedition style ⓘ |
| difficultyClass | very difficult high-altitude route ⓘ |
| hazard |
avalanches
ⓘ
extreme cold ⓘ high winds ⓘ rockfall ⓘ seracs ⓘ steep snow slopes ⓘ thin air ⓘ |
| locatedIn |
Karakoram
ⓘ
Pakistan ⓘ |
| locatedOn | K2 ⓘ |
| locatedOnSideOf |
South-Southeast Ridge of K2
self-linksurface differs
ⓘ
surface form:
south-southeast ridge of K2
|
| notableFor |
exposure to severe weather
ⓘ
objective hazards such as avalanches and rockfall ⓘ slightly less technical climbing than Abruzzi Spur ⓘ |
| objective | reaching the summit of K2 ⓘ |
| onMountain | K2 ⓘ |
| onPeakRank | second-highest mountain in the world ⓘ |
| partOf | standard route network on K2 ⓘ |
| popularityRelativeTo | less frequented than Abruzzi Spur ⓘ |
| relativeDangerComparedTo | similarly dangerous to Abruzzi Spur ⓘ |
| relativeDifficultyComparedTo |
Abruzzi Spur route on K2
ⓘ
surface form:
less technical than Abruzzi Spur
|
| requires |
advanced mountaineering skills
ⓘ
high-altitude acclimatization ⓘ |
| riskLevel | high ⓘ |
| suitableFor | elite mountaineers ⓘ |
| terrainType | mixed snow and rock ⓘ |
| usedFor |
expedition climbing
ⓘ
high-altitude mountaineering ⓘ |
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: South-Southeast Ridge of K2 Description of subject: The South-Southeast Ridge of K2, commonly known as the Cesen Route, is a major climbing line on the world’s second-highest mountain that offers a slightly less technical but still highly dangerous alternative to the Abruzzi Spur.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
South-Southeast Ridge of K2
→
locatedOnSideOf
→
South-Southeast Ridge of K2
self-linksurface differs
ⓘ
this entity surface form:
south-southeast ridge of K2