Nebraska–Wyoming border
E511478
The Nebraska–Wyoming border is the state line in the western Great Plains where Nebraska meets Wyoming, running largely north–south and helping define the political and geographic boundary between the two states.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nebraska–Colorado border | 1 |
| Nebraska–Wyoming border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5280471 — 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: Nebraska–Wyoming border Context triple: [Nebraska–South Dakota border, adjacentTo, Nebraska–Wyoming border]
-
A.
Nebraska–South Dakota border
The Nebraska–South Dakota border is a U.S. state boundary running largely along the Missouri River, separating Nebraska to the south from South Dakota to the north.
-
B.
Nebraska–Missouri border
The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
-
C.
Nebraska–Iowa border
The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
-
D.
Minnesota–South Dakota border
The Minnesota–South Dakota border is the state line in the north-central United States separating Minnesota and South Dakota, much of which follows natural features such as rivers and survey lines across the prairie.
-
E.
Iowa–South Dakota border
The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
- 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: Nebraska–Wyoming border Target entity description: The Nebraska–Wyoming border is the state line in the western Great Plains where Nebraska meets Wyoming, running largely north–south and helping define the political and geographic boundary between the two states.
-
A.
Nebraska–South Dakota border
The Nebraska–South Dakota border is a U.S. state boundary running largely along the Missouri River, separating Nebraska to the south from South Dakota to the north.
-
B.
Nebraska–Missouri border
The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
-
C.
Nebraska–Iowa border
The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
-
D.
Minnesota–South Dakota border
The Minnesota–South Dakota border is the state line in the north-central United States separating Minnesota and South Dakota, much of which follows natural features such as rivers and survey lines across the prairie.
-
E.
Iowa–South Dakota border
The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
international-free internal border
ⓘ
state border of the United States ⓘ |
| adjacentTo |
Great Plains physiographic province
ⓘ
linked to:
Great Plains
High Plains ⓘ
linked to:
High Plains region
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createdFrom |
Nebraska Territory boundary definitions
ⓘ
Wyoming Territory boundary definitions ⓘ |
| crossedBy |
Interstate 80
ⓘ
U.S. Route 20 ⓘ U.S. Route 26 NERFINISHED ⓘ U.S. Route 30 ⓘ railroad lines ⓘ |
| dateEstablishedApprox | mid-19th century ⓘ |
| defines |
geographic boundary between Nebraska and Wyoming
ⓘ
political boundary between Nebraska and Wyoming ⓘ |
| endPoint | tripoint of Nebraska–Wyoming–Colorado ⓘ |
| establishedBy | United States Congress ⓘ |
| establishedFor |
creation of the Territory of Nebraska
ⓘ
creation of the Territory of Wyoming ⓘ |
| followsLatitude | 43rd parallel north ⓘ |
| followsMeridian | 104th meridian west ⓘ |
| governedBy | boundary compacts and federal statutes ⓘ |
| hasDirection |
north–south
ⓘ
primarily north–south ⓘ |
| hasFeature |
surveyed straight-line segments
ⓘ
tripoints with South Dakota and Colorado ⓘ |
| hasLengthApprox | about 315 miles ⓘ |
| legalStatus | interstate boundary recognized by U.S. federal law ⓘ |
| locatedIn |
Great Plains
ⓘ
western Great Plains ⓘ
linked to:
Great Plains
|
| mapFeature |
shown on official state maps of Nebraska
ⓘ
shown on official state maps of Wyoming ⓘ |
| nearbyCity |
Cheyenne, Wyoming
ⓘ
linked to:
Cheyenne
Gering, Nebraska ⓘ Scottsbluff, Nebraska ⓘ Torrington, Wyoming ⓘ |
| partOf |
borders of Nebraska
ⓘ
borders of Wyoming ⓘ |
| passesThroughRegion |
Panhandle of Nebraska
ⓘ
linked to:
Northwestern Nebraska
eastern Wyoming ⓘ |
| regionType | western U.S. state line ⓘ |
| separates |
Nebraska
ⓘ
Wyoming ⓘ |
| startPoint | tripoint of Nebraska–Wyoming–South Dakota ⓘ |
| touchesState |
Colorado
ⓘ
South Dakota ⓘ |
| usedAs | state line ⓘ |
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: Nebraska–Wyoming border Description of subject: The Nebraska–Wyoming border is the state line in the western Great Plains where Nebraska meets Wyoming, running largely north–south and helping define the political and geographic boundary between the two states.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nebraska–Wyoming border