Great Roof
E278661
The Great Roof is a renowned, steep and sustained crux section on the Nose route of El Capitan in Yosemite, known for its dramatic overhang and technical difficulty.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Great Roof canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2590050 — 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: Great Roof Context triple: [The Nose, famousFeature, Great Roof]
-
A.
Gable
Gable is a surname most famously associated with American film actor Clark Gable, a major Hollywood star of the 1930s and 1940s.
-
B.
Great Tower
The Great Tower is the massive medieval keep at the heart of Dover Castle, serving historically as its principal stronghold and royal residence.
-
C.
Great Dome
The Great Dome is an iconic neoclassical architectural landmark at the heart of MIT’s Cambridge campus, often symbolizing the institute itself.
-
D.
Stone Tower
Stone Tower is a historic stone observation tower located within Lynn Woods Reservation in Lynn, Massachusetts, offering panoramic views of the surrounding forest and coastline.
-
E.
ElevatedRoof
ElevatedRoof refers to the lofty, exalted canopy of the sky invoked as a divine sign and object of oath in Surah At-Tur of the Qur’an.
- 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: Great Roof Target entity description: The Great Roof is a renowned, steep and sustained crux section on the Nose route of El Capitan in Yosemite, known for its dramatic overhang and technical difficulty.
-
A.
Gable
Gable is a surname most famously associated with American film actor Clark Gable, a major Hollywood star of the 1930s and 1940s.
-
B.
Great Tower
The Great Tower is the massive medieval keep at the heart of Dover Castle, serving historically as its principal stronghold and royal residence.
-
C.
Great Dome
The Great Dome is an iconic neoclassical architectural landmark at the heart of MIT’s Cambridge campus, often symbolizing the institute itself.
-
D.
Stone Tower
Stone Tower is a historic stone observation tower located within Lynn Woods Reservation in Lynn, Massachusetts, offering panoramic views of the surrounding forest and coastline.
-
E.
ElevatedRoof
ElevatedRoof refers to the lofty, exalted canopy of the sky invoked as a divine sign and object of oath in Surah At-Tur of the Qur’an.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
rock climbing pitch
ⓘ
rock climbing route section ⓘ |
| appearsIn |
big wall climbing literature
ⓘ
topos of The Nose ⓘ |
| characterizedBy |
steepness
ⓘ
sustained difficulty ⓘ technical climbing ⓘ |
| featureType | overhanging roof ⓘ |
| freeClimbingGradeContext | considered one of the hardest sections of The Nose to free climb ⓘ |
| hasReputationFor |
being a crux section of The Nose
ⓘ
dramatic exposure ⓘ iconic status in big wall climbing ⓘ |
| isCruxOf | The Nose free climbing variations ⓘ |
| isObjectiveFor | advanced big wall climbers ⓘ |
| isOnFormation | southwest face of El Capitan ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
El Capitan ⓘ United States ⓘ
linked to:
United States of America
Yosemite National Park ⓘ Yosemite Valley ⓘ |
| notableFor |
powerful moves
ⓘ
sustained overhanging section ⓘ thin crack climbing ⓘ |
| partOf | The Nose ⓘ |
| requires |
competence in overhanging terrain
ⓘ
good endurance ⓘ high-level crack climbing skills ⓘ |
| routeType |
aid climbing
ⓘ
free climbing ⓘ |
| safetyConsiderations |
exposed position
ⓘ
requires solid gear placements ⓘ |
| typicalStyle | aid climbing on The Nose ⓘ |
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: Great Roof Description of subject: The Great Roof is a renowned, steep and sustained crux section on the Nose route of El Capitan in Yosemite, known for its dramatic overhang and technical difficulty.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
includes the Great Roof pitch