Promontory Peninsula
E782485
Promontory Peninsula is a landform in northern Utah that juts into the Great Salt Lake and is historically notable as the nearby site of the completion of the First Transcontinental Railroad at Promontory Summit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Promontory Peninsula canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9164579 — 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: Promontory Peninsula Context triple: [Promontory Mountains, forms, Promontory Peninsula]
-
A.
Sibley Peninsula
Sibley Peninsula is a prominent landform in northwestern Ontario that juts into Lake Superior and is known for its rugged cliffs, forested terrain, and the Sleeping Giant Provincial Park.
-
B.
Forestier Peninsula
Forestier Peninsula is a small, rugged peninsula in southeastern Tasmania, Australia, known as the northern gateway to the Tasman Peninsula and connected to mainland Tasmania by a narrow isthmus.
-
C.
Kinburn Peninsula
Kinburn Peninsula is a narrow landform in southern Ukraine between the Dnieper–Bug estuary and the Black Sea, known for its sandy spits, wetlands, and strategic coastal location.
-
D.
Astoria peninsula
Astoria peninsula is a waterfront area in the Astoria neighborhood of Queens, New York City, projecting into the East River and hosting a mix of residential, industrial, and recreational spaces.
-
E.
Tillamook Head
Tillamook Head is a prominent basalt headland on the northern Oregon coast, known for its rugged cliffs, forested trails, and historical ties to the Lewis and Clark Expedition.
- 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: Promontory Peninsula Target entity description: Promontory Peninsula is a landform in northern Utah that juts into the Great Salt Lake and is historically notable as the nearby site of the completion of the First Transcontinental Railroad at Promontory Summit.
-
A.
Sibley Peninsula
Sibley Peninsula is a prominent landform in northwestern Ontario that juts into Lake Superior and is known for its rugged cliffs, forested terrain, and the Sleeping Giant Provincial Park.
-
B.
Forestier Peninsula
Forestier Peninsula is a small, rugged peninsula in southeastern Tasmania, Australia, known as the northern gateway to the Tasman Peninsula and connected to mainland Tasmania by a narrow isthmus.
-
C.
Kinburn Peninsula
Kinburn Peninsula is a narrow landform in southern Ukraine between the Dnieper–Bug estuary and the Black Sea, known for its sandy spits, wetlands, and strategic coastal location.
-
D.
Astoria peninsula
Astoria peninsula is a waterfront area in the Astoria neighborhood of Queens, New York City, projecting into the East River and hosting a mix of residential, industrial, and recreational spaces.
-
E.
Tillamook Head
Tillamook Head is a prominent basalt headland on the northern Oregon coast, known for its rugged cliffs, forested trails, and historical ties to the Lewis and Clark Expedition.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
landform
ⓘ
peninsula ⓘ |
| borders | Great Salt Lake ⓘ |
| climate | cold desert climate ⓘ |
| connectedTo | mainland Utah ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| ecosystemType | semi-arid ⓘ |
| extendsInto | Great Salt Lake ⓘ |
| geologicalContext | Basin and Range Province ⓘ |
| hasAccessRoad | state and county roads from Box Elder County ⓘ |
| hasHumanSettlementType | sparsely populated area ⓘ |
| hasNearbyCulturalSite | Golden Spike ceremonial site ⓘ |
| hasNearbyFeature |
Golden Spike National Historical Park
ⓘ
Lucin Cutoff ⓘ Promontory Mountains ⓘ Promontory Summit ⓘ
linked to:
Promontory Summit, Utah Territory
|
| hasNearbyTransportationInfrastructure |
historic Central Pacific Railroad grade
ⓘ
historic Union Pacific Railroad grade ⓘ |
| hasNearbyWaterBody |
Bear River Bay of Great Salt Lake
ⓘ
linked to:
Great Salt Lake
Gunnison Bay of Great Salt Lake ⓘ
linked to:
Great Salt Lake
|
| hasVegetationType |
grassland
ⓘ
sagebrush steppe ⓘ |
| hasWildlife |
mule deer
ⓘ
pronghorn ⓘ various migratory birds ⓘ |
| historicallyNotableFor |
proximity to completion site of the First Transcontinental Railroad
ⓘ
railroad history in the United States ⓘ |
| locatedIn |
Box Elder County, Utah
ⓘ
northern Utah ⓘ
linked to:
Northern Utah
|
| locatedNorthOf | Ogden, Utah ⓘ |
| locatedWestOf | Brigham City, Utah ⓘ |
| nearestCity | Brigham City, Utah ⓘ |
| notableFor |
transportation history
ⓘ
views of Great Salt Lake ⓘ |
| partOf | Great Basin ⓘ |
| railroadCompletedAtNearbyLocation |
Promontory Summit
ⓘ
linked to:
Promontory Summit, Utah Territory
|
| railroadCompletionDateNearby | 1869-05-10 ⓘ |
| railroadEventNearby |
completion of the First Transcontinental Railroad
ⓘ
driving of the Golden Spike ⓘ
linked to:
Golden Spike ceremony
|
| region | Intermountain West ⓘ |
| state | Utah ⓘ |
| surroundedBy | Great Salt Lake on multiple sides ⓘ |
| usedFor |
ranching
ⓘ
recreation ⓘ wildlife observation ⓘ |
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: Promontory Peninsula Description of subject: Promontory Peninsula is a landform in northern Utah that juts into the Great Salt Lake and is historically notable as the nearby site of the completion of the First Transcontinental Railroad at Promontory Summit.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Promontory Mountains