Second Step
E591778
Second Step is a prominent and technically challenging rock and ice cliff on Mount Everest’s Northeast Ridge that poses one of the key obstacles to climbers attempting the summit via the north side.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Second Step canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6430171 — 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: Second Step Context triple: [Northeast Ridge route, hasFeature, Second Step]
-
A.
The Next Step
The Next Step is a Canadian teen drama television series that follows the lives and relationships of members of a competitive dance studio.
-
B.
Step by Step
"Step by Step" is a 1990 pop song by New Kids on the Block that became one of their biggest hits and a defining track of early ’90s teen pop.
-
C.
In Step
"In Step" is a 1989 blues-rock album by Stevie Ray Vaughan and Double Trouble, widely regarded as one of Vaughan's finest and most mature works, reflecting his recovery from addiction.
-
D.
Every Little Step
"Every Little Step" is a 1989 R&B/New Jack Swing hit single by Bobby Brown that became one of his signature songs and a major commercial success.
-
E.
Baby Steps
Baby Steps is the self-help book written by the fictional psychiatrist Dr. Leo Marvin in the comedy film "What About Bob?".
- 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: Second Step Target entity description: Second Step is a prominent and technically challenging rock and ice cliff on Mount Everest’s Northeast Ridge that poses one of the key obstacles to climbers attempting the summit via the north side.
-
A.
The Next Step
The Next Step is a Canadian teen drama television series that follows the lives and relationships of members of a competitive dance studio.
-
B.
Step by Step
"Step by Step" is a 1990 pop song by New Kids on the Block that became one of their biggest hits and a defining track of early ’90s teen pop.
-
C.
In Step
"In Step" is a 1989 blues-rock album by Stevie Ray Vaughan and Double Trouble, widely regarded as one of Vaughan's finest and most mature works, reflecting his recovery from addiction.
-
D.
Every Little Step
"Every Little Step" is a 1989 R&B/New Jack Swing hit single by Bobby Brown that became one of his signature songs and a major commercial success.
-
E.
Baby Steps
Baby Steps is the self-help book written by the fictional psychiatrist Dr. Leo Marvin in the comedy film "What About Bob?".
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
climbing route feature
ⓘ
rock formation ⓘ |
| accessedFrom |
North Col high camp system
ⓘ
linked to:
North Col
|
| alternativeName |
Second Step of the Northeast Ridge
ⓘ
linked to:
Northeast Ridge route
|
| approachDirection | from the north side of Mount Everest ⓘ |
| approxDistanceFromSummit | about 250 metres in elevation below the summit of Everest ⓘ |
| associatedWith |
Mallory and Irvine 1924 Everest expedition
ⓘ
linked to:
The Fight for Everest 1924
debate over whether George Mallory could have climbed it without modern equipment ⓘ |
| climbingGrade | approximately 5.7 (YDS) in free climbing conditions ⓘ |
| climbingSeason | primarily attempted in pre-monsoon (spring) season ⓘ |
| composition |
ice
ⓘ
rock ⓘ |
| countryClaim |
People’s Republic of China
ⓘ
linked to:
China
|
| difficultyRelativeToRoute | considered the crux of the Northeast Ridge route ⓘ |
| elevation |
approximately 28280 feet above sea level
ⓘ
approximately 8610 metres above sea level ⓘ |
| firstAscentStyle | aid climbing with artificial assistance ⓘ |
| geologicalContext | part of the high Himalayan orogeny structures ⓘ |
| hasFeature |
fixed ladder system used by many expeditions
ⓘ
mixed rock and ice terrain ⓘ near-vertical rock wall ⓘ |
| height |
approximately 130 feet
ⓘ
approximately 40 metres ⓘ |
| importanceForClimbers | key bottleneck on summit day from the north ⓘ |
| isWithin | summit day route on Everest north side ⓘ |
| knownFor |
being one of the crux obstacles on the north side route of Mount Everest
ⓘ
exposure and objective danger ⓘ technical difficulty at extreme altitude ⓘ |
| liesWithin | Everest death zone ⓘ |
| locatedIn |
China
ⓘ
Tibet Autonomous Region ⓘ |
| locatedOn | Northeast Ridge of Mount Everest ⓘ |
| notableAscent |
first climbed with a ladder by a Chinese team in 1975
ⓘ
free climbed by Conrad Anker in 2007 ⓘ free climbed by Spanish climber Òscar Cadiach in 1985 ⓘ |
| onMountain | Mount Everest ⓘ |
| partOf |
North Col–Northeast Ridge route on Mount Everest
ⓘ
linked to:
Northeast Ridge of Mount Everest
|
| region | Himalayas ⓘ |
| relativePosition |
above the First Step on Everest’s Northeast Ridge
ⓘ
below the Third Step on Everest’s Northeast Ridge ⓘ |
| requires |
advanced rock climbing skills at high altitude
ⓘ
use of fixed ropes for most climbers ⓘ |
| riskFactor |
extreme altitude hypoxia
ⓘ
potential for long, fatal falls ⓘ severe exposure to wind and cold ⓘ |
| usedBy | commercial guided expeditions on Everest north side ⓘ |
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: Second Step Description of subject: Second Step is a prominent and technically challenging rock and ice cliff on Mount Everest’s Northeast Ridge that poses one of the key obstacles to climbers attempting the summit via the north side.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.