YDS
E942879
YDS is a numerical grading system used primarily in North America to rate the difficulty and technical challenge of hiking, scrambling, and rock climbing routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| YDS canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11722288 — 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: YDS Context triple: [Yosemite Decimal System, alsoKnownAs, YDS]
-
A.
EYD
EYD is the commonly used abbreviation for "Ejaan Yang Disempurnakan," the standardized Indonesian spelling system officially adopted in Indonesia.
-
B.
YDP
YDP is the IATA airport code for Nain Airport, a regional airport serving the community of Nain in Newfoundland and Labrador, Canada.
-
C.
Yat
Yat is the given name of Yat Malmgren, a notable dancer, choreographer, and acting teacher known for developing a movement-based acting technique.
-
D.
Yogodyan
Yogodyan is a prominent Hindu temple complex in Jayrambati, West Bengal, associated with the life and worship of Sri Ramakrishna and Holy Mother Sarada Devi.
-
E.
YRK
YRK is the National Rail station code for York railway station, a major historic rail hub in North Yorkshire, England.
- 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: YDS Target entity description: YDS is a numerical grading system used primarily in North America to rate the difficulty and technical challenge of hiking, scrambling, and rock climbing routes.
-
A.
EYD
EYD is the commonly used abbreviation for "Ejaan Yang Disempurnakan," the standardized Indonesian spelling system officially adopted in Indonesia.
-
B.
YDP
YDP is the IATA airport code for Nain Airport, a regional airport serving the community of Nain in Newfoundland and Labrador, Canada.
-
C.
Yat
Yat is the given name of Yat Malmgren, a notable dancer, choreographer, and acting teacher known for developing a movement-based acting technique.
-
D.
Yogodyan
Yogodyan is a prominent Hindu temple complex in Jayrambati, West Bengal, associated with the life and worship of Sri Ramakrishna and Holy Mother Sarada Devi.
-
E.
YRK
YRK is the National Rail station code for York railway station, a major historic rail hub in North Yorkshire, England.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
climbing grade system
ⓘ
hiking grade system ⓘ numerical grading system ⓘ scrambling grade system ⓘ |
| abbreviation | YDS ⓘ |
| appliesTo |
bouldery pitches within multi-pitch routes
ⓘ
sport climbing ⓘ traditional climbing ⓘ |
| class1Description | easy hiking on a trail ⓘ |
| class2Description | simple scrambling, possible use of hands ⓘ |
| class3Description | scrambling with hands, exposure, a fall could be serious ⓘ |
| class4Description | simple climbing, often with rope recommended, a fall could be fatal ⓘ |
| class5Description | technical free climbing with rope and protection required ⓘ |
| class5Subdivision | 5.0–5.15 difficulty scale ⓘ |
| class5Uses | technical rock climbing ⓘ |
| comparedWith |
British trad grades
ⓘ
French sport climbing grades ⓘ UIAA climbing grades ⓘ
linked to:
UIAA climbing grade system
|
| developedFor | Yosemite National Park climbing routes ⓘ |
| developedFrom | earlier Sierra Club grading practices ⓘ |
| hasComponent |
class rating
ⓘ
grade rating ⓘ protection rating ⓘ |
| highestClass | Class 5 ⓘ |
| includesProtectionRating |
G
ⓘ
PG ⓘ PG-13 ⓘ R ⓘ X ⓘ |
| influenced | North American climbing grading conventions ⓘ |
| lowestClass | Class 1 ⓘ |
| measures |
route difficulty
ⓘ
technical challenge ⓘ |
| notationExample |
5.10a
ⓘ
5.9 R ⓘ Class 3 ⓘ |
| originatedIn |
United States
ⓘ
linked to:
United States of America
|
| primarilyUsedBy |
hikers
ⓘ
rock climbers ⓘ scramblers ⓘ |
| scaleType | open-ended difficulty scale ⓘ |
| standardIn |
Canadian climbing guidebooks
ⓘ
United States guidebooks ⓘ |
| usedFor |
hiking routes
ⓘ
rock climbing routes ⓘ scrambling routes ⓘ |
| usedIn | North America ⓘ |
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: YDS Description of subject: YDS is a numerical grading system used primarily in North America to rate the difficulty and technical challenge of hiking, scrambling, and rock climbing routes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
YDS