Barack Obama
E304
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T487 — 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: Barack Obama Context triple: [Harvard University, hasNotableAlumni, Barack Obama]
-
A.
James Roosevelt I
James Roosevelt I was an American businessman and prominent member of the Roosevelt family, best known as the father of U.S. President Franklin D. Roosevelt.
-
B.
President Harry S. Truman
President Harry S. Truman was the 33rd president of the United States, known for making the decision to use atomic bombs in World War II, implementing the Marshall Plan, and shaping early Cold War policy.
-
C.
Edward M. Kennedy
Edward M. Kennedy was a long-serving U.S. senator from Massachusetts and a leading figure in liberal politics, particularly known for his work on health care, civil rights, and social welfare legislation.
-
D.
President Franklin D. Roosevelt
President Franklin D. Roosevelt was the 32nd president of the United States, who led the nation through the Great Depression and most of World War II and implemented the transformative New Deal reforms.
-
E.
Herbert Hoover
Herbert Hoover was the 31st president of the United States, known for his humanitarian relief efforts during and after World War I and for leading the country at the onset of the Great Depression.
- 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: Barack Obama Target entity description: Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
A.
James Roosevelt I
James Roosevelt I was an American businessman and prominent member of the Roosevelt family, best known as the father of U.S. President Franklin D. Roosevelt.
-
B.
President Harry S. Truman
President Harry S. Truman was the 33rd president of the United States, known for making the decision to use atomic bombs in World War II, implementing the Marshall Plan, and shaping early Cold War policy.
-
C.
Edward M. Kennedy
Edward M. Kennedy was a long-serving U.S. senator from Massachusetts and a leading figure in liberal politics, particularly known for his work on health care, civil rights, and social welfare legislation.
-
D.
President Franklin D. Roosevelt
President Franklin D. Roosevelt was the 32nd president of the United States, who led the nation through the Great Depression and most of World War II and implemented the transformative New Deal reforms.
-
E.
Herbert Hoover
Herbert Hoover was the 31st president of the United States, known for his humanitarian relief efforts during and after World War I and for leading the country at the onset of the Great Depression.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
author
ⓘ
human ⓘ lawyer ⓘ politician ⓘ public figure ⓘ |
| awardReceived |
Grammy Award
ⓘ
surface form:
Grammy Award for Best Spoken Word Album
Nobel Peace Prize ⓘ |
| birthDate | 1961-08-04 ⓘ |
| birthPlace | Honolulu, Hawaii, United States ⓘ |
| child |
Malia Obama
ⓘ
Sasha Obama ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| degree |
Bachelor of Arts in political science
ⓘ
Juris Doctor ⓘ |
| educatedAt |
Columbia University
ⓘ
Harvard Law School ⓘ Occidental College ⓘ |
| ethnicGroup | African American ⓘ |
| familyName |
Barack Obama
self-linksurface differs
ⓘ
surface form:
Obama
|
| father | Barack Obama Sr. ⓘ |
| founded | Obama Foundation ⓘ |
| fullName |
Barack Obama
self-linksurface differs
ⓘ
surface form:
Barack Hussein Obama II
|
| givenName |
Barack Obama
self-linksurface differs
ⓘ
surface form:
Barack
|
| languagesSpoken | English ⓘ |
| marriageStart | 1992 ⓘ |
| memberOfPoliticalParty | Democratic Party ⓘ |
| mother | Ann Dunham ⓘ |
| notableAchievement |
Nobel Peace Prize laureate
ⓘ
first African American president of the United States ⓘ |
| notableWork |
A Promised Land
ⓘ
Dreams from My Father ⓘ The Audacity of Hope ⓘ |
| occupation |
attorney
ⓘ
author ⓘ politician ⓘ |
| officeEnd | 2017-01-20 ⓘ |
| officeStart | 2009-01-20 ⓘ |
| positionHeld |
44th president of the United States
ⓘ
Illinois state senator ⓘ United States senator from Illinois ⓘ chair of the Senate Foreign Relations Subcommittee on European Affairs ⓘ president of the Harvard Law Review ⓘ |
| precededBy | George W. Bush ⓘ |
| religion | Protestant Christianity ⓘ |
| residence |
Washington, D.C.
ⓘ
surface form:
Washington, D.C., United States
|
| signatureImage |
Barack Obama
self-linksurface differs
ⓘ
surface form:
Barack Obama signature.svg
|
| spouse | Michelle Obama ⓘ |
| succeededBy | Donald Trump ⓘ |
| vicePresident | Joe Biden ⓘ |
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: Barack Obama Description of subject: Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
Referenced by (556)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Maya Soetoro-Ng
subject surface form:
Maya Soetoro-Ng
subject surface form:
Jacob Lew
subject surface form:
Auma Obama
subject surface form:
Eric Holder
this entity surface form:
Obama
subject surface form:
Kalorama
St. John’s Episcopal Church, Lafayette Square, Washington, D.C. (attributed involvement)
→
notableAttendee
→
Barack Obama
ⓘ
subject surface form:
St. John’s Episcopal Church, Lafayette Square, Washington, D.C.
this entity surface form:
President Barack Obama