Fort Madison
E77360
Fort Madison is a historic riverfront city in southeastern Iowa known for its Mississippi River port, 19th-century military fort heritage, and role as a regional transportation hub.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Fort Madison canonical | 1 |
| Fort Madison (historic military fort) | 1 |
| Fort Madison, Iowa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T590186 — 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: Fort Madison Context triple: [Upper Mississippi Valley, contains, Fort Madison]
-
A.
Dubuque
Dubuque is a historic river city in northeastern Iowa known for its role as a regional economic and cultural hub along the Mississippi River.
-
B.
La Crosse
La Crosse is a mid-sized city in western Wisconsin known for its location along the Mississippi River, historic downtown, and regional educational and healthcare institutions.
-
C.
Hammond, Indiana
Hammond, Indiana is an industrial city in northwestern Indiana near Chicago, known for its location along the Calumet River and its role in the Calumet Region’s manufacturing and transportation network.
-
D.
Madison
Madison is a common English surname and given name, historically associated with U.S. President James Madison and now widely used as a first name, especially for girls.
-
E.
Terre Haute, Indiana
Terre Haute, Indiana is a mid-sized city in western Indiana known historically as a regional industrial and transportation hub along major rail and river routes.
- 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: Fort Madison Target entity description: Fort Madison is a historic riverfront city in southeastern Iowa known for its Mississippi River port, 19th-century military fort heritage, and role as a regional transportation hub.
-
A.
Dubuque
Dubuque is a historic river city in northeastern Iowa known for its role as a regional economic and cultural hub along the Mississippi River.
-
B.
La Crosse
La Crosse is a mid-sized city in western Wisconsin known for its location along the Mississippi River, historic downtown, and regional educational and healthcare institutions.
-
C.
Hammond, Indiana
Hammond, Indiana is an industrial city in northwestern Indiana near Chicago, known for its location along the Calumet River and its role in the Calumet Region’s manufacturing and transportation network.
-
D.
Madison
Madison is a common English surname and given name, historically associated with U.S. President James Madison and now widely used as a first name, especially for girls.
-
E.
Terre Haute, Indiana
Terre Haute, Indiana is a mid-sized city in western Indiana known historically as a regional industrial and transportation hub along major rail and river routes.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasCharacteristic |
historic city
ⓘ
port city ⓘ riverfront city ⓘ |
| hasEconomicActivity |
manufacturing
ⓘ
rail transport ⓘ river commerce ⓘ transportation ⓘ |
| hasFeature | historic riverfront ⓘ |
| hasHeritage | 19th-century military fort ⓘ |
| hasHistoricFunction | military outpost ⓘ |
| hasInfrastructure |
highway connections
ⓘ
railroad connections ⓘ |
| hasLandmark |
Mississippi River waterfront
ⓘ
reconstructed historic fort ⓘ |
| hasNameOrigin |
Fort Madison
self-linksurface differs
ⓘ
surface form:
Fort Madison (historic military fort)
|
| hasRegionRole |
local trade center
ⓘ
transport node on the Mississippi River ⓘ |
| hasRole | regional transportation hub ⓘ |
| hasTransport | river port ⓘ |
| isLocatedNear |
Illinois border
ⓘ
Mississippi River islands ⓘ |
| locatedIn |
Iowa
ⓘ
Lee County, Iowa ⓘ |
| locatedInRegion | southeastern Iowa ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedOnRiver | Mississippi River ⓘ |
| partOf |
Midwestern United States
ⓘ
surface form:
United States Midwest
|
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: Fort Madison Description of subject: Fort Madison is a historic riverfront city in southeastern Iowa known for its Mississippi River port, 19th-century military fort heritage, and role as a regional transportation hub.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fort Madison (historic military fort)
subject surface form:
Mississippi River waterfront (Fort Madison)
this entity surface form:
Fort Madison, Iowa