Indiana–Ohio border
E300612
The Indiana–Ohio border is the state line separating Indiana and Ohio in the Midwestern United States, running north–south and passing just east of cities such as Richmond, Indiana.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Indiana–Ohio border canonical | 2 |
| Ohio–Indiana border | 2 |
| Indiana state line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2825454 — 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: Indiana–Ohio border Context triple: [Richmond, Indiana, locatedNear, Indiana–Ohio border]
-
A.
Illinois–Indiana state line
The Illinois–Indiana state line is the boundary separating the U.S. states of Illinois and Indiana, running north–south from Lake Michigan through both urban and rural areas.
-
B.
Tennessee–Kentucky border
The Tennessee–Kentucky border is the state line separating Tennessee and Kentucky in the United States, running east–west across the region and intersecting several rivers, highways, and rural communities.
-
C.
Indiana and Kentucky
Indiana and Kentucky are neighboring U.S. states in the Midwest and Upper South, respectively, separated in large part by the Ohio River.
-
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.
Pennsylvania–New York border
The Pennsylvania–New York border is the interstate boundary separating the U.S. states of Pennsylvania and New York, running largely east–west across the northern edge of Pennsylvania.
- 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: Indiana–Ohio border Target entity description: The Indiana–Ohio border is the state line separating Indiana and Ohio in the Midwestern United States, running north–south and passing just east of cities such as Richmond, Indiana.
-
A.
Illinois–Indiana state line
The Illinois–Indiana state line is the boundary separating the U.S. states of Illinois and Indiana, running north–south from Lake Michigan through both urban and rural areas.
-
B.
Tennessee–Kentucky border
The Tennessee–Kentucky border is the state line separating Tennessee and Kentucky in the United States, running east–west across the region and intersecting several rivers, highways, and rural communities.
-
C.
Indiana and Kentucky
Indiana and Kentucky are neighboring U.S. states in the Midwest and Upper South, respectively, separated in large part by the Ohio River.
-
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.
Pennsylvania–New York border
The Pennsylvania–New York border is the interstate boundary separating the U.S. states of Pennsylvania and New York, running largely east–west across the northern edge of Pennsylvania.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
internationally recognized boundary
ⓘ
state border ⓘ |
| appearsOn |
USGS topographic maps
ⓘ
surface form:
U.S. Geological Survey maps
official state maps of Indiana ⓘ official state maps of Ohio ⓘ |
| borderBetween |
Indiana
ⓘ
surface form:
U.S. state of Indiana
Ohio ⓘ
surface form:
U.S. state of Ohio
|
| coordinateSystem | based on Public Land Survey System surveys ⓘ |
| country | United States of America ⓘ |
| crossedBy |
Interstate 70
ⓘ
U.S. Route 27 NERFINISHED ⓘ U.S. Route 40 ⓘ |
| demarcates | time zone boundary in some locations ⓘ |
| direction | north–south ⓘ |
| establishedFor |
defining territorial limits of Indiana
ⓘ
defining territorial limits of Ohio ⓘ |
| followsMeridian | approximately 84 degrees west longitude ⓘ |
| governedBy |
Indiana Code
ⓘ
Ohio Revised Code ⓘ |
| hasAdjacentStateToEast | Ohio ⓘ |
| hasAdjacentStateToWest | Indiana ⓘ |
| hasEndPoint | Indiana–Ohio–Kentucky tripoint ⓘ |
| hasHistoricalBasisIn |
Northwest Territory surveys
ⓘ
early 19th-century state boundary definitions ⓘ |
| hasLegalAuthority |
Indiana state government
ⓘ
Ohio state government ⓘ |
| hasNearbyCityOnIndianaSide | Richmond, Indiana ⓘ |
| hasNearbyCityOnOhioSide | Eaton, Ohio ⓘ |
| hasOrientation | roughly meridional ⓘ |
| hasStartPoint | Indiana–Michigan–Ohio tripoint ⓘ |
| isSubjectOf | state boundary law and case law ⓘ |
| legalStatus | state line ⓘ |
| liesWithin | contiguous United States ⓘ |
| locatedInRegion | Midwestern United States ⓘ |
| mapFeatureClass | political boundary ⓘ |
| partOf |
borders of Indiana
ⓘ
borders of Ohio ⓘ |
| passesEastOf | Richmond, Indiana ⓘ |
| passesNear | Richmond, Indiana ⓘ |
| recognizedBy |
United States government
ⓘ
surface form:
federal government of the United States
|
| separates |
Indiana
ⓘ
Ohio ⓘ |
| touchesAtSouthernEnd | Ohio River ⓘ |
| usedFor |
electoral district delimitation
ⓘ
jurisdictional boundary ⓘ law enforcement jurisdiction ⓘ taxation boundary ⓘ |
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: Indiana–Ohio border Description of subject: The Indiana–Ohio border is the state line separating Indiana and Ohio in the Midwestern United States, running north–south and passing just east of cities such as Richmond, Indiana.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ohio–Indiana border
this entity surface form:
Ohio–Indiana border
this entity surface form:
Indiana state line