U.S. Route 20 near Rockwell City, Iowa
E639506
U.S. Route 20 near Rockwell City, Iowa is a major east–west federal highway segment in north-central Iowa that serves as an important regional connector for communities and intersecting state routes such as Iowa Highway 10.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U.S. Route 20 near Rockwell City, Iowa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7047966 — 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: U.S. Route 20 near Rockwell City, Iowa Context triple: [Iowa Highway 10, hasJunctionWith, U.S. Route 20 near Rockwell City, Iowa]
-
A.
U.S. Route 59 in Iowa
U.S. Route 59 in Iowa is a north–south U.S. Highway running through western Iowa, connecting small towns and rural areas between the Missouri and Minnesota state lines.
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B.
U.S. Route 20 in Illinois
U.S. Route 20 in Illinois is a major east–west U.S. highway that traverses northern Illinois, connecting rural areas, suburbs, and cities as part of a cross-country route from the Midwest to the East Coast.
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C.
Iowa Highway 212
Iowa Highway 212 is a short state highway in Iowa that serves as a local connector route between small communities and other primary highways.
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D.
Iowa Highway 22
Iowa Highway 22 is a state highway in eastern Iowa that runs east–west, connecting several small communities and serving as a regional route between U.S. Highway 218 and the Mississippi River near Muscatine.
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E.
Iowa Highway 173
Iowa Highway 173 is a state highway in western Iowa that serves as a regional connector route linking small communities and providing access to larger roads near Atlantic.
- 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: U.S. Route 20 near Rockwell City, Iowa Target entity description: U.S. Route 20 near Rockwell City, Iowa is a major east–west federal highway segment in north-central Iowa that serves as an important regional connector for communities and intersecting state routes such as Iowa Highway 10.
-
A.
U.S. Route 59 in Iowa
U.S. Route 59 in Iowa is a north–south U.S. Highway running through western Iowa, connecting small towns and rural areas between the Missouri and Minnesota state lines.
-
B.
U.S. Route 20 in Illinois
U.S. Route 20 in Illinois is a major east–west U.S. highway that traverses northern Illinois, connecting rural areas, suburbs, and cities as part of a cross-country route from the Midwest to the East Coast.
-
C.
Iowa Highway 212
Iowa Highway 212 is a short state highway in Iowa that serves as a local connector route between small communities and other primary highways.
-
D.
Iowa Highway 22
Iowa Highway 22 is a state highway in eastern Iowa that runs east–west, connecting several small communities and serving as a regional route between U.S. Highway 218 and the Mississippi River near Muscatine.
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E.
Iowa Highway 173
Iowa Highway 173 is a state highway in western Iowa that serves as a regional connector route linking small communities and providing access to larger roads near Atlantic.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
highway segment
ⓘ
road transportation infrastructure ⓘ |
| connects | regional communities in north-central Iowa ⓘ |
| connectsTo | Iowa state highway network NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | east–west ⓘ |
| function | regional connector ⓘ |
| hasAccess | local roads serving Rockwell City ⓘ |
| highwaySystem | United States Numbered Highway System ⓘ |
| intersects | Iowa Highway 10 NERFINISHED ⓘ |
| locatedIn |
Iowa
ⓘ
north-central Iowa NERFINISHED ⓘ |
| maintainedBy | Iowa Department of Transportation NERFINISHED ⓘ |
| near | Rockwell City, Iowa NERFINISHED ⓘ |
| partOf |
U.S. Route 20
NERFINISHED
ⓘ
regional transportation network in Iowa ⓘ |
| passesNear | Rockwell City, Iowa NERFINISHED ⓘ |
| roadType | federal highway ⓘ |
| routeNumber | 20 ⓘ |
| serves |
Rockwell City area
NERFINISHED
ⓘ
north-central Iowa ⓘ |
| supports | regional economic activity ⓘ |
| usedFor |
freight transportation
ⓘ
passenger vehicle travel ⓘ |
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: U.S. Route 20 near Rockwell City, Iowa Description of subject: U.S. Route 20 near Rockwell City, Iowa is a major east–west federal highway segment in north-central Iowa that serves as an important regional connector for communities and intersecting state routes such as Iowa Highway 10.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.