Keystone Division
E413297
The Keystone Division is the nickname of the U.S. Army’s 28th Infantry Division, one of the oldest divisions in the Army National Guard with a long history of service in major American conflicts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keystone Division canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4110866 — 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: Keystone Division Context triple: [28th Infantry Division, nickname, Keystone Division]
-
A.
Eureka Division
The Eureka Division is a regional branch of the United States District Court for the Northern District of California that handles federal cases arising from the far northern coastal counties of the state.
-
B.
Korstian Division
Korstian Division is a major research and teaching section of Duke Forest used for studies in ecology, forestry, and environmental science.
-
C.
Pendleton Division
The Pendleton Division is a regional branch of the U.S. District Court for the District of Oregon that serves federal judicial needs in the northeastern part of the state.
-
D.
Marshall Division
Marshall Division is a regional division of the U.S. District Court for the Eastern District of Texas that handles federal cases arising from its designated portion of the district, including a significant share of patent litigation.
-
E.
Lancaster Division
Lancaster Division is a regional division of the United States District Court for the Eastern District of Pennsylvania that handles federal cases arising from the Lancaster area.
- 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: Keystone Division Target entity description: The Keystone Division is the nickname of the U.S. Army’s 28th Infantry Division, one of the oldest divisions in the Army National Guard with a long history of service in major American conflicts.
-
A.
Eureka Division
The Eureka Division is a regional branch of the United States District Court for the Northern District of California that handles federal cases arising from the far northern coastal counties of the state.
-
B.
Korstian Division
Korstian Division is a major research and teaching section of Duke Forest used for studies in ecology, forestry, and environmental science.
-
C.
Pendleton Division
The Pendleton Division is a regional branch of the U.S. District Court for the District of Oregon that serves federal judicial needs in the northeastern part of the state.
-
D.
Marshall Division
Marshall Division is a regional division of the U.S. District Court for the Eastern District of Texas that handles federal cases arising from its designated portion of the district, including a significant share of patent litigation.
-
E.
Lancaster Division
Lancaster Division is a regional division of the United States District Court for the Eastern District of Pennsylvania that handles federal cases arising from the Lancaster area.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Army National Guard division
ⓘ
infantry division ⓘ nickname ⓘ |
| abbreviation | 28ID ⓘ |
| allegiance | Pennsylvania ⓘ |
| associatedWith | Pennsylvania ⓘ |
| branch | United States Army ⓘ |
| component | Army National Guard ⓘ |
| country | United States of America ⓘ |
| formedIn | World War I era ⓘ |
| garrisonLocation | Pennsylvania ⓘ |
| isOneOf |
oldest divisions in the Army National Guard
ⓘ
oldest divisions in the U.S. Army ⓘ |
| motto | Roll On ⓘ |
| nickname | Keystone Division self-linksurface differs ⓘ |
| notableFor |
distinctive red keystone insignia
ⓘ
long history of service in major American conflicts ⓘ |
| participatedIn |
Battle of the Bulge
ⓘ
Global War on Terrorism ⓘ Hürtgen Forest ⓘ
surface form:
Hürtgen Forest campaign
Battle of Normandy ⓘ
surface form:
Normandy campaign
Operation Enduring Freedom ⓘ Operation Iraqi Freedom ⓘ World War I ⓘ World War II ⓘ |
| partOf | Pennsylvania Army National Guard ⓘ |
| refersTo | 28th Infantry Division ⓘ |
| role |
combat operations
ⓘ
homeland defense ⓘ support to civil authorities ⓘ |
| symbol | red keystone shoulder sleeve insignia ⓘ |
| symbolDerivedFrom | Pennsylvania state nickname "Keystone State" ⓘ |
| type | light infantry ⓘ |
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: Keystone Division Description of subject: The Keystone Division is the nickname of the U.S. Army’s 28th Infantry Division, one of the oldest divisions in the Army National Guard with a long history of service in major American conflicts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
28th Infantry Division