Stephen A. Douglas
E57342
Stephen A. Douglas was a prominent 19th-century American politician and U.S. senator from Illinois, best known for his role in shaping antebellum legislation and for debating Abraham Lincoln over slavery.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Stephen A. Douglas canonical | 37 |
| Stephen Arnold Douglas | 1 |
| U.S. Senator Stephen A. Douglas | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T424716 — 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: Stephen A. Douglas Context triple: [Compromise of 1850, supportedBy, Stephen A. Douglas]
-
A.
Henry Clay
Henry Clay was a prominent 19th-century American statesman and orator known as the “Great Compromiser” for brokering major legislative agreements that sought to balance sectional interests and preserve the Union.
-
B.
Lyman Trumbull
Lyman Trumbull was a 19th-century American politician and U.S. senator from Illinois who played a key role in the abolition of slavery and the shaping of Reconstruction-era legislation.
-
C.
John Taylor Johnston
John Taylor Johnston was a 19th-century American businessman and arts patron who served as the first president of the Metropolitan Museum of Art and played a key role in its early development.
-
D.
Charles Sumner
Charles Sumner was a leading Radical Republican senator and fervent abolitionist who championed civil rights and harsh Reconstruction policies toward the former Confederate states after the American Civil War.
-
E.
Daniel Webster
Daniel Webster was a prominent 19th-century American statesman and orator who served as a U.S. senator and secretary of state and became a leading voice for preserving the Union.
- 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: Stephen A. Douglas Target entity description: Stephen A. Douglas was a prominent 19th-century American politician and U.S. senator from Illinois, best known for his role in shaping antebellum legislation and for debating Abraham Lincoln over slavery.
-
A.
Henry Clay
Henry Clay was a prominent 19th-century American statesman and orator known as the “Great Compromiser” for brokering major legislative agreements that sought to balance sectional interests and preserve the Union.
-
B.
Lyman Trumbull
Lyman Trumbull was a 19th-century American politician and U.S. senator from Illinois who played a key role in the abolition of slavery and the shaping of Reconstruction-era legislation.
-
C.
John Taylor Johnston
John Taylor Johnston was a 19th-century American businessman and arts patron who served as the first president of the Metropolitan Museum of Art and played a key role in its early development.
-
D.
Charles Sumner
Charles Sumner was a leading Radical Republican senator and fervent abolitionist who championed civil rights and harsh Reconstruction policies toward the former Confederate states after the American Civil War.
-
E.
Daniel Webster
Daniel Webster was a prominent 19th-century American statesman and orator who served as a U.S. senator and secretary of state and became a leading voice for preserving the Union.
- F. None of above. chosen
Statements (49)
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: Stephen A. Douglas Description of subject: Stephen A. Douglas was a prominent 19th-century American politician and U.S. senator from Illinois, best known for his role in shaping antebellum legislation and for debating Abraham Lincoln over slavery.
Referenced by (39)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Douglas County, Nevada
this entity surface form:
Stephen Arnold Douglas
this entity surface form:
U.S. Senator Stephen A. Douglas
subject surface form:
Douglas County, Georgia
subject surface form:
Brandon, Vermont
subject surface form:
Douglas Tomb State Historic Site
subject surface form:
Douglas Tomb State Historic Site
subject surface form:
Douglas, Chicago
subject surface form:
Slave Power Controversy
subject surface form:
Douglas County, Washington
History of the Rise and Fall of the Slave Power in America
→
hasNotableFigureDiscussed
→
Stephen A. Douglas
ⓘ