Iowa state boundary
E1389998
UNEXPLORED
The Iowa state boundary is the legally defined perimeter that separates the U.S. state of Iowa from its neighboring states, following rivers and surveyed lines to mark its territorial limits.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Iowa state line | 2 |
| Iowa state boundary canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19688768 — 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: Iowa state boundary Context triple: [Iowa–Illinois state line, partOf, Iowa state boundary]
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A.
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.
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B.
Iowa–Minnesota border
The Iowa–Minnesota border is the state line separating Iowa and Minnesota in the Midwestern United States, largely following straight survey lines with some sections defined by rivers.
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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.
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D.
Iowa–Illinois state line
The Iowa–Illinois state line is the boundary separating the U.S. states of Iowa and Illinois, running largely along the Mississippi River and defining part of the border between the Midwest states.
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E.
Missouri–Iowa border
The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
- 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: Iowa state boundary Target entity description: The Iowa state boundary is the legally defined perimeter that separates the U.S. state of Iowa from its neighboring states, following rivers and surveyed lines to mark its territorial limits.
-
A.
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.
-
B.
Iowa–Minnesota border
The Iowa–Minnesota border is the state line separating Iowa and Minnesota in the Midwestern United States, largely following straight survey lines with some sections defined by rivers.
-
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.
Iowa–Illinois state line
The Iowa–Illinois state line is the boundary separating the U.S. states of Iowa and Illinois, running largely along the Mississippi River and defining part of the border between the Midwest states.
-
E.
Missouri–Iowa border
The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Iowa state boundary
linked to: Iowa state boundary