28th Infantry Regiment
E770053
The 28th Infantry Regiment was an Imperial Japanese Army unit that fought in the Pacific Theater during World War II, notably suffering heavy losses in the Battle of Alligator Creek on Guadalcanal.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 28th Infantry Regiment canonical | 2 |
| 2nd Battalion 28th Infantry Regiment | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8980501 — 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: 28th Infantry Regiment Context triple: [Battle of Alligator Creek, JapaneseUnit, 28th Infantry Regiment]
-
A.
38th Infantry Regiment
The 38th Infantry Regiment was a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the post–Civil War Indian Wars and later conflicts.
-
B.
25th Infantry Regiment
The 25th Infantry Regiment was a historic African American unit of the United States Army, renowned for its service on the Western frontier and in later conflicts as part of the Buffalo Soldiers.
-
C.
41st Infantry Regiment
The 41st Infantry Regiment was a post–Civil War U.S. Army African American unit composed of Black enlisted men and white officers, historically known as one of the Buffalo Soldier regiments.
-
D.
U.S. 23rd Infantry Regiment
The U.S. 23rd Infantry Regiment is a historic United States Army infantry unit renowned for its combat service in major conflicts including World War II and the Korean War.
-
E.
39th Infantry Regiment
The 39th Infantry Regiment is a historic U.S. Army unit associated with the African American "Buffalo Soldiers," known for its service in multiple major conflicts.
- 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: 28th Infantry Regiment Target entity description: The 28th Infantry Regiment was an Imperial Japanese Army unit that fought in the Pacific Theater during World War II, notably suffering heavy losses in the Battle of Alligator Creek on Guadalcanal.
-
A.
38th Infantry Regiment
The 38th Infantry Regiment was a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the post–Civil War Indian Wars and later conflicts.
-
B.
25th Infantry Regiment
The 25th Infantry Regiment was a historic African American unit of the United States Army, renowned for its service on the Western frontier and in later conflicts as part of the Buffalo Soldiers.
-
C.
41st Infantry Regiment
The 41st Infantry Regiment was a post–Civil War U.S. Army African American unit composed of Black enlisted men and white officers, historically known as one of the Buffalo Soldier regiments.
-
D.
U.S. 23rd Infantry Regiment
The U.S. 23rd Infantry Regiment is a historic United States Army infantry unit renowned for its combat service in major conflicts including World War II and the Korean War.
-
E.
39th Infantry Regiment
The 39th Infantry Regiment is a historic U.S. Army unit associated with the African American "Buffalo Soldiers," known for its service in multiple major conflicts.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Army unit
ⓘ
infantry regiment ⓘ |
| allegiance | Imperial Japanese Army NERFINISHED ⓘ |
| branch | infantry ⓘ |
| campaign | Guadalcanal Campaign NERFINISHED ⓘ |
| conflict | World War II ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| disbandedAfter | Japan’s defeat in World War II ⓘ |
| engagedOnIsland | Guadalcanal NERFINISHED ⓘ |
| era |
World War II
ⓘ
surface form:
World War II era
|
| foughtAgainst | Allied forces in the Pacific ⓘ |
| historicalSignificance | example of heavy Japanese infantry losses on Guadalcanal ⓘ |
| locationOfAction | Solomon Islands NERFINISHED ⓘ |
| militaryBranch | Japanese Army infantry ⓘ |
| notableBattle |
Battle of Alligator Creek
NERFINISHED
ⓘ
Battle of the Tenaru NERFINISHED ⓘ |
| notableEvent | failed night assault against U.S. Marine positions at Alligator Creek ⓘ |
| opponent | United States Marine Corps NERFINISHED ⓘ |
| partOf | Imperial Japanese Army NERFINISHED ⓘ |
| resultAtAlligatorCreek | regiment largely destroyed ⓘ |
| role | frontline assault unit in Guadalcanal operations ⓘ |
| status | disbanded ⓘ |
| suffered | heavy losses at the Battle of Alligator Creek ⓘ |
| theater | Pacific Theater NERFINISHED ⓘ |
| type | line infantry regiment ⓘ |
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: 28th Infantry Regiment Description of subject: The 28th Infantry Regiment was an Imperial Japanese Army unit that fought in the Pacific Theater during World War II, notably suffering heavy losses in the Battle of Alligator Creek on Guadalcanal.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
2nd Battalion 28th Infantry Regiment