Herbert Hoover National Historic Site
E13709
Herbert Hoover National Historic Site is a preserved historic area in West Branch, Iowa, that includes the birthplace, childhood home, and presidential library of the 31st U.S. president, Herbert Hoover.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T25257 — 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: Herbert Hoover National Historic Site Context triple: [West Branch, Iowa, knownFor, Herbert Hoover National Historic Site]
-
A.
Harry S. Truman National Historic Site
Harry S. Truman National Historic Site is a preserved historic property in Independence, Missouri, that includes the longtime home and related sites associated with the 33rd U.S. president, Harry S. Truman.
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B.
Harry S. Truman Presidential Library and Museum
The Harry S. Truman Presidential Library and Museum is a presidential library and museum in Independence, Missouri, dedicated to preserving and presenting the life, presidency, and legacy of the 33rd U.S. president, Harry S. Truman.
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C.
Harry S. Truman Birthplace State Historic Site
Harry S. Truman Birthplace State Historic Site is a preserved historic home and museum in Lamar, Missouri, commemorating the early life and legacy of the 33rd U.S. president, Harry S. Truman.
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D.
Franklin D. Roosevelt Presidential Library and Museum
The Franklin D. Roosevelt Presidential Library and Museum is the official presidential library and museum dedicated to the life, presidency, and legacy of Franklin D. Roosevelt, featuring his archives, artifacts, and historical exhibits.
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E.
Roosevelt’s Little White House
Roosevelt’s Little White House is the historic retreat in Warm Springs, Georgia, where President Franklin D. Roosevelt sought polio treatment, spent much of his presidency, and ultimately died in 1945.
- 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: Herbert Hoover National Historic Site Target entity description: Herbert Hoover National Historic Site is a preserved historic area in West Branch, Iowa, that includes the birthplace, childhood home, and presidential library of the 31st U.S. president, Herbert Hoover.
-
A.
Harry S. Truman National Historic Site
Harry S. Truman National Historic Site is a preserved historic property in Independence, Missouri, that includes the longtime home and related sites associated with the 33rd U.S. president, Harry S. Truman.
-
B.
Harry S. Truman Presidential Library and Museum
The Harry S. Truman Presidential Library and Museum is a presidential library and museum in Independence, Missouri, dedicated to preserving and presenting the life, presidency, and legacy of the 33rd U.S. president, Harry S. Truman.
-
C.
Harry S. Truman Birthplace State Historic Site
Harry S. Truman Birthplace State Historic Site is a preserved historic home and museum in Lamar, Missouri, commemorating the early life and legacy of the 33rd U.S. president, Harry S. Truman.
-
D.
Franklin D. Roosevelt Presidential Library and Museum
The Franklin D. Roosevelt Presidential Library and Museum is the official presidential library and museum dedicated to the life, presidency, and legacy of Franklin D. Roosevelt, featuring his archives, artifacts, and historical exhibits.
-
E.
Roosevelt’s Little White House
Roosevelt’s Little White House is the historic retreat in Warm Springs, Georgia, where President Franklin D. Roosevelt sought polio treatment, spent much of his presidency, and ultimately died in 1945.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
historic district
ⓘ
national historic site ⓘ protected area ⓘ |
| category | U.S. National Historical Park System unit ⓘ |
| coordinateLocation | 41.671°N 91.349°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dateOfEstablishment | August 12, 1965 ⓘ |
| governingBody |
U.S. National Park Service
ⓘ
linked to:
National Park Service
|
| hasDesignation | listed on the National Register of Historic Places ⓘ |
| hasGraveOf |
Herbert Hoover
ⓘ
Lou Henry Hoover ⓘ |
| hasMuseum | Herbert Hoover Presidential Library and Museum ⓘ |
| hasPart |
Blacksmith Shop
ⓘ
Friends Meetinghouse ⓘ Herbert Hoover Birthplace Cottage ⓘ
linked to:
Herbert Hoover National Historic Site
Herbert Hoover Childhood Home ⓘ
linked to:
Herbert Hoover National Historic Site
Herbert Hoover Gravesite ⓘ Herbert Hoover Presidential Library and Museum ⓘ Tallgrass prairie ⓘ West Branch Schoolhouse ⓘ |
| hasVisitorCenter | Herbert Hoover National Historic Site Visitor Center ⓘ |
| heritageDesignation | National Historic Site of the United States ⓘ |
| inception | 1965 ⓘ |
| locatedIn |
West Branch, Iowa
ⓘ
linked to:
West Branch, Iowa, United States
|
| locatedInAdministrativeTerritorialEntity |
Cedar County, Iowa
ⓘ
Iowa ⓘ |
| mainSubject | life of Herbert Hoover ⓘ |
| namedAfter | Herbert Hoover ⓘ |
| nearestCity | Iowa City, Iowa ⓘ |
| NRHPType | historic district ⓘ |
| openToPublic | yes ⓘ |
| operator | National Park Service ⓘ |
| owner |
United States federal government
ⓘ
linked to:
United States government
|
| partOf |
National Park System
ⓘ
linked to:
United States National Park System
|
| significantEvent | commemoration of Herbert Hoover’s presidency ⓘ |
| subjectOf | National Park Service interpretive programs ⓘ |
| theme |
Quaker heritage
ⓘ
presidential history ⓘ rural Midwestern life in the late 19th century ⓘ |
| touristAttraction | yes ⓘ |
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: Herbert Hoover National Historic Site Description of subject: Herbert Hoover National Historic Site is a preserved historic area in West Branch, Iowa, that includes the birthplace, childhood home, and presidential library of the 31st U.S. president, Herbert Hoover.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
West Branch, Iowa, United States
subject linked to:
West Branch, Iowa, United States
subject linked to:
West Branch, Iowa, United States
linked to: Herbert Hoover National Historic Site
subject linked to:
West Branch, Iowa, United States
linked to: Herbert Hoover National Historic Site
linked to: Herbert Hoover National Historic Site
linked to: Herbert Hoover National Historic Site
linked to: Herbert Hoover National Historic Site
linked to: Herbert Hoover National Historic Site
Herbert Hoover
→
burialPlace
→
Herbert Hoover National Historic Site, West Branch, Iowa, United States
ⓘ
subject linked to:
Secretary of Commerce Herbert Hoover
linked to: Herbert Hoover National Historic Site