Mount Wilson, California
E117741
Mount Wilson, California is a peak in the San Gabriel Mountains near Los Angeles known for its historic observatory and concentration of broadcast transmission towers.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mount Wilson, California canonical | 8 |
| Mount Wilson area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T985925 — 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: Mount Wilson, California Context triple: [KABC-TV, transmitterLocation, Mount Wilson, California]
-
A.
Pasadena
Pasadena is a city in Los Angeles County, California, known for its scientific and cultural institutions and as the longtime host of the annual Rose Parade and Rose Bowl Game.
-
B.
Mountain View
Mountain View is a Silicon Valley city in Northern California best known as a major technology hub and the home of companies like Google.
-
C.
Santa Barbara
Santa Barbara is a picturesque coastal city in California known for its Mediterranean climate, red-tile roofs, and distinctive Spanish Colonial Revival architecture.
-
D.
Berkeley Hills
Berkeley Hills is a range of rolling, urban-adjacent hills in the San Francisco Bay Area that form the scenic backdrop to the city of Berkeley and the University of California campus.
-
E.
Lone Pine, California
Lone Pine, California is a small Eastern Sierra town in Inyo County known as a gateway to Mount Whitney and the Alabama Hills, popular with hikers, climbers, and filmmakers.
- 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: Mount Wilson, California Target entity description: Mount Wilson, California is a peak in the San Gabriel Mountains near Los Angeles known for its historic observatory and concentration of broadcast transmission towers.
-
A.
Pasadena
Pasadena is a city in Los Angeles County, California, known for its scientific and cultural institutions and as the longtime host of the annual Rose Parade and Rose Bowl Game.
-
B.
Mountain View
Mountain View is a Silicon Valley city in Northern California best known as a major technology hub and the home of companies like Google.
-
C.
Santa Barbara
Santa Barbara is a picturesque coastal city in California known for its Mediterranean climate, red-tile roofs, and distinctive Spanish Colonial Revival architecture.
-
D.
Berkeley Hills
Berkeley Hills is a range of rolling, urban-adjacent hills in the San Francisco Bay Area that form the scenic backdrop to the city of Berkeley and the University of California campus.
-
E.
Lone Pine, California
Lone Pine, California is a small Eastern Sierra town in Inyo County known as a gateway to Mount Whitney and the Alabama Hills, popular with hikers, climbers, and filmmakers.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mountain peak
ⓘ
unincorporated community ⓘ |
| accessibleVia |
Angeles Crest Highway (California State Route 2)
ⓘ
linked to:
Angeles Crest Highway (State Route 2)
Mount Wilson-Red Box Road ⓘ |
| broadcastsTo |
Greater Los Angeles area
ⓘ
linked to:
Greater Los Angeles Area
|
| climate | Mediterranean climate with mountain influences ⓘ |
| countyJurisdiction | Los Angeles County government ⓘ |
| elevation |
approximately 1,740 meters
ⓘ
approximately 5,710 feet ⓘ |
| fireRisk | high wildfire risk area ⓘ |
| governingBody |
United States Forest Service (for surrounding lands)
ⓘ
linked to:
U.S. Forest Service
|
| hasFacility |
amateur astronomy facilities
ⓘ
visitor center at Mount Wilson Observatory ⓘ |
| hasFeature |
Mount Wilson Observatory
ⓘ
Mount Wilson Road ⓘ
linked to:
Mount Wilson Toll Road
Mount Wilson Toll Road ⓘ broadcast transmission towers ⓘ cosmic-ray observation facilities (historical) ⓘ |
| hasHistoricalSignificance |
important site in development of extragalactic astronomy
ⓘ
site of major early 20th-century astronomical discoveries ⓘ |
| hasNearbyPeak |
Mount Harvard (California)
ⓘ
Mount Lowe (California) ⓘ San Gabriel Peak ⓘ |
| hasStructure |
100-inch Hooker Telescope
ⓘ
60-inch telescope ⓘ multiple broadcast antenna masts ⓘ solar telescopes ⓘ |
| hasViewOf |
Downtown Los Angeles skyline
ⓘ
Pacific Ocean (on clear days) ⓘ |
| inTimeZone | Pacific Time Zone ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Los Angeles County, California ⓘ
linked to:
Los Angeles County
San Gabriel Mountains ⓘ United States ⓘ
linked to:
United States of America
|
| mountainRange | San Gabriel Mountains ⓘ |
| namedAfter | Benjamin Davis Wilson ⓘ |
| near | Los Angeles, California ⓘ |
| overlooks |
Los Angeles Basin
ⓘ
San Gabriel Valley ⓘ |
| partOf | Angeles National Forest ⓘ |
| proximityTo |
La Cañada Flintridge, California
ⓘ
linked to:
La Cañada Flintridge
Pasadena, California ⓘ
linked to:
Pasadena
|
| terrain | steep forested slopes ⓘ |
| usedFor |
astronomical observation
ⓘ
radio and television broadcasting ⓘ recreation and hiking ⓘ scientific research ⓘ |
| vegetation | chaparral and mixed conifer forest ⓘ |
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: Mount Wilson, California Description of subject: Mount Wilson, California is a peak in the San Gabriel Mountains near Los Angeles known for its historic observatory and concentration of broadcast transmission towers.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mount Wilson, California