Texas–Oklahoma state line
E234836
The Texas–Oklahoma state line is the boundary separating the U.S. states of Texas and Oklahoma, much of it following the Red River and serving as a key geographic and historical dividing line in the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Texas–Oklahoma state line canonical | 2 |
| Oklahoma–Texas border | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2094667 — 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: Texas–Oklahoma state line Context triple: [Texoma region, crossesStateLine, Texas–Oklahoma state line]
-
A.
Missouri–Kansas state line
The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
-
B.
Tennessee state line
The Tennessee state line is the boundary separating the state of Tennessee from its neighboring states, marking the official transition between their jurisdictions.
-
C.
Alabama–Mississippi border
The Alabama–Mississippi border is the state line separating Alabama and Mississippi in the southeastern United States, running through rural areas, forests, and river crossings.
-
D.
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.
-
E.
Georgia–Alabama state line
The Georgia–Alabama state line is the boundary separating the U.S. states of Georgia and Alabama, running largely along the Chattahoochee River and passing through several metropolitan areas in the region.
- 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: Texas–Oklahoma state line Target entity description: The Texas–Oklahoma state line is the boundary separating the U.S. states of Texas and Oklahoma, much of it following the Red River and serving as a key geographic and historical dividing line in the region.
-
A.
Missouri–Kansas state line
The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
-
B.
Tennessee state line
The Tennessee state line is the boundary separating the state of Tennessee from its neighboring states, marking the official transition between their jurisdictions.
-
C.
Alabama–Mississippi border
The Alabama–Mississippi border is the state line separating Alabama and Mississippi in the southeastern United States, running through rural areas, forests, and river crossings.
-
D.
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.
-
E.
Georgia–Alabama state line
The Georgia–Alabama state line is the boundary separating the U.S. states of Georgia and Alabama, running largely along the Chattahoochee River and passing through several metropolitan areas in the region.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
international-free internal boundary
ⓘ
state boundary ⓘ |
| adjacentTo |
Arkansas–Oklahoma state line (at eastern end vicinity)
ⓘ
New Mexico–Texas state line (via Texas Panhandle at western end vicinity) ⓘ
linked to:
New Mexico border
|
| cameIntoCurrentForm | early 20th century after Oklahoma statehood in 1907 ⓘ |
| country | United States of America ⓘ |
| crossedBy |
Interstate 35
NERFINISHED
ⓘ
Interstate 44 NERFINISHED ⓘ U.S. Route 287 NERFINISHED ⓘ U.S. Route 69 NERFINISHED ⓘ U.S. Route 75 NERFINISHED ⓘ multiple railroad lines ⓘ |
| definedBy |
Acts of the United States Congress
ⓘ
linked to:
Act of Congress
U.S. Supreme Court decisions ⓘ
linked to:
United States Supreme Court cases
treaties between the United States and the Republic of Texas ⓘ |
| follows |
Red River
ⓘ
linked to:
Red River of the South
southern bank of the Red River (in most sections) ⓘ |
| hasBorderPoint |
Altus, Oklahoma vicinity
ⓘ
Ardmore, Oklahoma vicinity ⓘ Boise City, Oklahoma vicinity ⓘ
linked to:
Boise City, Oklahoma
Burkburnett, Texas vicinity ⓘ Childress, Texas vicinity ⓘ Denison Dam ⓘ Durant, Oklahoma vicinity ⓘ Gainesville, Texas vicinity ⓘ
linked to:
Gainesville, Texas
Hugo, Oklahoma vicinity ⓘ
linked to:
Hendrix, Oklahoma
Idabel, Oklahoma vicinity ⓘ
linked to:
Idabel, Oklahoma, United States
Kenton, Oklahoma vicinity ⓘ Lake Texoma ⓘ Lawton, Oklahoma vicinity ⓘ
linked to:
Lawton, Oklahoma, United States
Paris, Texas vicinity ⓘ Sherman, Texas vicinity ⓘ Texarkana, Arkansas–Texas–Oklahoma tri-state area vicinity ⓘ
linked to:
Texarkana, Arkansas
Texarkana, Texas ⓘ Texline, Texas vicinity ⓘ Vernon, Texas vicinity ⓘ Wichita Falls, Texas vicinity ⓘ |
| hasHistoricalRole | boundary between Indian Territory and Texas prior to Oklahoma statehood ⓘ |
| hasNaturalFeature |
Red River valley
ⓘ
linked to:
Red River Basin
floodplain of the Red River ⓘ |
| hasSegment |
eastern segment near Arkansas border
ⓘ
panhandle segment between Texas Panhandle and Oklahoma Panhandle ⓘ segment across Lake Texoma ⓘ |
| historicallyDisputedWith | Greer County, Texas (historical) ⓘ |
| locatedIn |
Great Plains region
ⓘ
linked to:
Great Plains
South Central United States ⓘ Southern United States ⓘ |
| partOf | boundary between U.S. states ⓘ |
| relatedCourtCase |
Oklahoma v. Texas (1921)
ⓘ
United States v. Texas (1896) ⓘ |
| separates |
Oklahoma
ⓘ
Texas ⓘ |
| usedFor |
electoral district delimitation
ⓘ
jurisdictional boundary for law enforcement ⓘ taxation jurisdiction ⓘ |
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: Texas–Oklahoma state line Description of subject: The Texas–Oklahoma state line is the boundary separating the U.S. states of Texas and Oklahoma, much of it following the Red River and serving as a key geographic and historical dividing line in the region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Texas–Oklahoma state line