Dennis Hart Mahan
E703818
Dennis Hart Mahan was a prominent 19th-century American military engineer and influential West Point professor whose teachings shaped U.S. military strategy before and during the Civil War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dennis Hart Mahan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7994379 — 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: Dennis Hart Mahan Context triple: [Fort Mahan Park, namedAfter, Dennis Hart Mahan]
-
A.
Alfred Thayer Mahan
Alfred Thayer Mahan was an influential American naval officer and historian whose writings on sea power profoundly shaped naval strategy and foreign policy in the late 19th and early 20th centuries.
-
B.
Edward Preble
Edward Preble was a prominent early United States naval officer best known for his aggressive and influential leadership in the Mediterranean during the early 19th century.
-
C.
William Thomas Sampson
William Thomas Sampson was a United States Navy admiral best known for commanding American naval forces during the Spanish–American War, particularly at the Battle of Santiago de Cuba.
-
D.
Edward R. S. Canby
Edward R. S. Canby was a U.S. Army general best known for his service in the American Civil War and for being the only general officer killed during the Indian Wars, during peace negotiations in the Modoc War.
-
E.
Charles Elliot
Charles Elliot was a British naval officer and diplomat who played a pivotal role in the early stages of the First Opium War between Britain and Qing China.
- 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: Dennis Hart Mahan Target entity description: Dennis Hart Mahan was a prominent 19th-century American military engineer and influential West Point professor whose teachings shaped U.S. military strategy before and during the Civil War.
-
A.
Alfred Thayer Mahan
Alfred Thayer Mahan was an influential American naval officer and historian whose writings on sea power profoundly shaped naval strategy and foreign policy in the late 19th and early 20th centuries.
-
B.
Edward Preble
Edward Preble was a prominent early United States naval officer best known for his aggressive and influential leadership in the Mediterranean during the early 19th century.
-
C.
William Thomas Sampson
William Thomas Sampson was a United States Navy admiral best known for commanding American naval forces during the Spanish–American War, particularly at the Battle of Santiago de Cuba.
-
D.
Edward R. S. Canby
Edward R. S. Canby was a U.S. Army general best known for his service in the American Civil War and for being the only general officer killed during the Indian Wars, during peace negotiations in the Modoc War.
-
E.
Charles Elliot
Charles Elliot was a British naval officer and diplomat who played a pivotal role in the early stages of the First Opium War between Britain and Qing China.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
military engineer
ⓘ
person ⓘ professor ⓘ |
| allegiance | United States Army NERFINISHED ⓘ |
| birthDate | 1802-04-02 ⓘ |
| birthPlace |
New York
NERFINISHED
ⓘ
New York City ⓘ United States of America ⓘ
surface form:
United States
|
| burialPlace | West Point Cemetery NERFINISHED ⓘ |
| causeOfDeath | suicide ⓘ |
| citizenship |
United States of America
ⓘ
surface form:
United States
|
| countryOfService | United States NERFINISHED ⓘ |
| deathDate | 1871-09-16 ⓘ |
| deathPlace |
New York
NERFINISHED
ⓘ
Staten Island NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| educatedAt | United States Military Academy ⓘ |
| employer | United States Military Academy NERFINISHED ⓘ |
| era | 19th century ⓘ |
| familyName | Mahan NERFINISHED ⓘ |
| fieldOfWork |
fortification
ⓘ
military engineering ⓘ military strategy ⓘ tactics ⓘ |
| fullName | Dennis Hart Mahan NERFINISHED ⓘ |
| genre | military science ⓘ |
| givenName | Dennis NERFINISHED ⓘ |
| hasPartIn | development of American coastal and field fortification theory ⓘ |
| influenced |
George B. McClellan
NERFINISHED
ⓘ
Henry W. Halleck NERFINISHED ⓘ Robert E. Lee NERFINISHED ⓘ many Confederate officers in the American Civil War ⓘ many Union officers in the American Civil War ⓘ |
| knownFor |
shaping U.S. military doctrine before the American Civil War
ⓘ
teaching generations of West Point cadets ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | faculty of the United States Military Academy ⓘ |
| militaryRank | officer ⓘ |
| nationality | American ⓘ |
| notableWork |
A Treatise on Field Fortification
NERFINISHED
ⓘ
Elementary Treatise on Advanced-Guard, Out-Post, and Detachment Service of Troops NERFINISHED ⓘ Summary of the Course of Permanent Fortification NERFINISHED ⓘ |
| occupation |
military engineer
ⓘ
military theorist ⓘ professor of engineering ⓘ |
| positionHeld | professor of engineering at the United States Military Academy ⓘ |
| taughtAt | United States Military Academy NERFINISHED ⓘ |
| workplace | West Point NERFINISHED ⓘ |
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: Dennis Hart Mahan Description of subject: Dennis Hart Mahan was a prominent 19th-century American military engineer and influential West Point professor whose teachings shaped U.S. military strategy before and during the Civil War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.