1st Massachusetts Cavalry
E172798
The 1st Massachusetts Cavalry was a Union mounted regiment from Massachusetts that served prominently in the American Civil War, participating in numerous major campaigns and battles.
All labels observed (4)
| Label | Occurrences |
|---|---|
| 1st Mass. Cavalry | 1 |
| 1st Massachusetts Cavalry canonical | 1 |
| 1st Massachusetts Cavalry Regiment | 1 |
| Massachusetts 1st Cavalry Regiment | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1515496 — 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: 1st Massachusetts Cavalry Context triple: [Charles Appleton Longfellow, militaryBranch, 1st Massachusetts Cavalry]
-
A.
2nd Massachusetts Militia Regiment
The 2nd Massachusetts Militia Regiment is the primary civilian resistance group of survivors fighting an alien invasion in the television series "Falling Skies."
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B.
83rd Pennsylvania Infantry
The 83rd Pennsylvania Infantry was a Union Army regiment in the American Civil War noted for its crucial role in the defense of Little Round Top at the Battle of Gettysburg.
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C.
20th Maine Volunteer Infantry Regiment
The 20th Maine Volunteer Infantry Regiment was a Union Army unit in the American Civil War, famed for its pivotal bayonet charge and staunch defense of the Union left flank at the Battle of Gettysburg under Colonel Joshua L. Chamberlain.
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D.
44th New York Infantry
The 44th New York Infantry was a Union Army regiment in the American Civil War noted for its prominent role in the defense of key positions during major battles, including Gettysburg.
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E.
16th Michigan Infantry
The 16th Michigan Infantry was a Union Army regiment in the American Civil War noted for its crucial role in the defense of Little Round Top during the Battle of Gettysburg.
- 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: 1st Massachusetts Cavalry Target entity description: The 1st Massachusetts Cavalry was a Union mounted regiment from Massachusetts that served prominently in the American Civil War, participating in numerous major campaigns and battles.
-
A.
2nd Massachusetts Militia Regiment
The 2nd Massachusetts Militia Regiment is the primary civilian resistance group of survivors fighting an alien invasion in the television series "Falling Skies."
-
B.
83rd Pennsylvania Infantry
The 83rd Pennsylvania Infantry was a Union Army regiment in the American Civil War noted for its crucial role in the defense of Little Round Top at the Battle of Gettysburg.
-
C.
20th Maine Volunteer Infantry Regiment
The 20th Maine Volunteer Infantry Regiment was a Union Army unit in the American Civil War, famed for its pivotal bayonet charge and staunch defense of the Union left flank at the Battle of Gettysburg under Colonel Joshua L. Chamberlain.
-
D.
44th New York Infantry
The 44th New York Infantry was a Union Army regiment in the American Civil War noted for its prominent role in the defense of key positions during major battles, including Gettysburg.
-
E.
16th Michigan Infantry
The 16th Michigan Infantry was a Union Army regiment in the American Civil War noted for its crucial role in the defense of Little Round Top during the Battle of Gettysburg.
- F. None of above. chosen
Statements (46)
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: 1st Massachusetts Cavalry Description of subject: The 1st Massachusetts Cavalry was a Union mounted regiment from Massachusetts that served prominently in the American Civil War, participating in numerous major campaigns and battles.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
1st Massachusetts Cavalry Regiment
this entity surface form:
Massachusetts 1st Cavalry Regiment
this entity surface form:
1st Mass. Cavalry