Fort Rosecrans
E875522
Fort Rosecrans is a historic former U.S. Army coastal defense installation located on the Point Loma peninsula in San Diego, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Rosecrans canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10619784 — 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 Rosecrans Context triple: [Fort Rosecrans National Cemetery, partOf, Fort Rosecrans]
-
A.
Fort Phil Kearny
Fort Phil Kearny was a 19th-century U.S. Army outpost in present-day Wyoming that became a focal point of conflict between the United States and Lakota Sioux during the Indian Wars.
-
B.
Camp Elliott
Camp Elliott was a World War II-era U.S. Marine Corps training base near San Diego, California, notable for preparing specialized units such as the Navajo Code Talkers.
-
C.
Camp Roberts
Camp Roberts is a large California Army National Guard training facility in central California used for military exercises and readiness training.
-
D.
Fort Sherman
Fort Sherman was a former United States Army military installation on the Atlantic side of the Panama Canal, historically used for jungle warfare training and canal defense.
-
E.
Sonoma Barracks
Sonoma Barracks is a historic 19th-century military post in Sonoma, California, best known as the headquarters of the short-lived Bear Flag Revolt that preceded California’s annexation by the United States.
- 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 Rosecrans Target entity description: Fort Rosecrans is a historic former U.S. Army coastal defense installation located on the Point Loma peninsula in San Diego, California.
-
A.
Fort Phil Kearny
Fort Phil Kearny was a 19th-century U.S. Army outpost in present-day Wyoming that became a focal point of conflict between the United States and Lakota Sioux during the Indian Wars.
-
B.
Camp Elliott
Camp Elliott was a World War II-era U.S. Marine Corps training base near San Diego, California, notable for preparing specialized units such as the Navajo Code Talkers.
-
C.
Camp Roberts
Camp Roberts is a large California Army National Guard training facility in central California used for military exercises and readiness training.
-
D.
Fort Sherman
Fort Sherman was a former United States Army military installation on the Atlantic side of the Panama Canal, historically used for jungle warfare training and canal defense.
-
E.
Sonoma Barracks
Sonoma Barracks is a historic 19th-century military post in Sonoma, California, best known as the headquarters of the short-lived Bear Flag Revolt that preceded California’s annexation by the United States.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
coastal defense installation
ⓘ
former United States Army fort ⓘ historic site ⓘ |
| builtDuring | post–American Civil War era ⓘ |
| constructionStart | 1870s ⓘ |
| contains |
Fort Rosecrans National Cemetery
NERFINISHED
ⓘ
remains of coastal gun batteries ⓘ |
| country | United States of America ⓘ |
| currentUse | Fort Rosecrans National Cemetery NERFINISHED ⓘ |
| garrison | United States Army Coast Artillery Corps (historical) NERFINISHED ⓘ |
| hasCategory |
Coastal fortifications in the United States
ⓘ
Former military installations in California ⓘ History of San Diego, California ⓘ Point Loma, San Diego NERFINISHED ⓘ |
| hasFunction |
coastal artillery defense
ⓘ
harbor defense ⓘ |
| hasViewOf |
Coronado
NERFINISHED
ⓘ
Pacific Ocean ⓘ downtown San Diego NERFINISHED ⓘ |
| heritageDesignation |
California Historical Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Point Loma NERFINISHED ⓘ San Diego NERFINISHED ⓘ San Diego County ⓘ Southern California ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear |
Pacific Ocean
ⓘ
San Diego Bay NERFINISHED ⓘ |
| locatedOn | Point Loma peninsula NERFINISHED ⓘ |
| militaryBranch | United States Army ⓘ |
| namedAfter | William Starke Rosecrans NERFINISHED ⓘ |
| operator | United States Army (historical) NERFINISHED ⓘ |
| overlooks | entrance to San Diego Bay ⓘ |
| partOf | Harbor Defenses of San Diego NERFINISHED ⓘ |
| status | decommissioned ⓘ |
| usedDuring |
Spanish–American War
NERFINISHED
ⓘ
World War I NERFINISHED ⓘ World War II ⓘ |
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 Rosecrans Description of subject: Fort Rosecrans is a historic former U.S. Army coastal defense installation located on the Point Loma peninsula in San Diego, California.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.