Aberdeen Proving Ground, Maryland
E278854
Aberdeen Proving Ground, Maryland is a major U.S. Army installation known for weapons testing, research, and development, particularly in ordnance and chemical defense.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Aberdeen Proving Ground | 12 |
| Aberdeen Proving Ground, Maryland canonical | 6 |
| Edgewood Chemical Biological Center | 2 |
| Aberdeen Proving Ground Edgewood Area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2574336 — 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: Aberdeen Proving Ground, Maryland Context triple: [U.S. Army Chemical Materials Activity, headquartersLocation, Aberdeen Proving Ground, Maryland]
-
A.
Fort Detrick
Fort Detrick is a U.S. Army installation in Frederick, Maryland, best known as a center for biomedical research and biodefense programs.
-
B.
U.S. Army Yuma Proving Ground
U.S. Army Yuma Proving Ground is a major U.S. Army testing facility in southwestern Arizona known for evaluating military equipment, weapons systems, and munitions in desert conditions.
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C.
Marine Corps Base Quantico
Marine Corps Base Quantico is a major United States Marine Corps installation in Virginia known as a primary center for Marine training, education, and research.
-
D.
Dugway Proving Ground
Dugway Proving Ground is a large U.S. Army facility in Utah primarily used for testing chemical, biological, radiological, and defense systems in a remote desert environment.
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E.
Fort Meade, Maryland
Fort Meade, Maryland is a major U.S. Army installation best known as the primary center for American military intelligence and cybersecurity operations.
- 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: Aberdeen Proving Ground, Maryland Target entity description: Aberdeen Proving Ground, Maryland is a major U.S. Army installation known for weapons testing, research, and development, particularly in ordnance and chemical defense.
-
A.
Fort Detrick
Fort Detrick is a U.S. Army installation in Frederick, Maryland, best known as a center for biomedical research and biodefense programs.
-
B.
U.S. Army Yuma Proving Ground
U.S. Army Yuma Proving Ground is a major U.S. Army testing facility in southwestern Arizona known for evaluating military equipment, weapons systems, and munitions in desert conditions.
-
C.
Marine Corps Base Quantico
Marine Corps Base Quantico is a major United States Marine Corps installation in Virginia known as a primary center for Marine training, education, and research.
-
D.
Dugway Proving Ground
Dugway Proving Ground is a large U.S. Army facility in Utah primarily used for testing chemical, biological, radiological, and defense systems in a remote desert environment.
-
E.
Fort Meade, Maryland
Fort Meade, Maryland is a major U.S. Army installation best known as the primary center for American military intelligence and cybersecurity operations.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army installation
ⓘ
military base ⓘ |
| country | United States of America ⓘ |
| dateEstablished | 1917 ⓘ |
| environment | coastal and riverine terrain ⓘ |
| establishedDuring | World War I ⓘ |
| garrison | U.S. Army Garrison Aberdeen Proving Ground ⓘ |
| hasCategory |
Military research installations of the United States
ⓘ
Proving grounds ⓘ United States Army installations in Maryland ⓘ Weapons testing sites ⓘ |
| hasSubfacility |
Aberdeen Area
ⓘ
Edgewood Area ⓘ |
| hasType | proving ground ⓘ |
| hosts |
Edgewood Arsenal vicinity
ⓘ
surface form:
Edgewood Area (chemical and biological defense activities)
U.S. Army Communications-Electronics Research, Development and Engineering Center ⓘ
surface form:
U.S. Army Communications-Electronics Command
U.S. Army Research Laboratory ⓘ
surface form:
U.S. Army Research Laboratory elements
U.S. Army Test and Evaluation Command ⓘ |
| knownFor |
chemical weapons defense
ⓘ
ordnance development ⓘ weapons testing ⓘ |
| locatedIn |
Harford County, Maryland
ⓘ
Maryland ⓘ
surface form:
State of Maryland
|
| locatedNear |
Aberdeen, Maryland
ⓘ
surface form:
City of Aberdeen, Maryland
Havre de Grace, Maryland ⓘ |
| locatedOn | Chesapeake Bay ⓘ |
| militaryBranch | United States Army ⓘ |
| namedAfter | City of Aberdeen, Scotland ⓘ |
| nearbyCity |
Baltimore, Maryland, United States
ⓘ
surface form:
Baltimore, Maryland
|
| operatedBy | United States Army ⓘ |
| ownedBy | United States Department of the Army ⓘ |
| partOf |
U.S. Army Installation Management Command
ⓘ
U.S. Army Test and Evaluation Command ⓘ U.S. Army’s research, development, test and evaluation infrastructure ⓘ |
| primaryFunction |
chemical defense research
ⓘ
ordnance testing ⓘ research and development ⓘ weapons testing ⓘ |
| supports |
U.S. Army acquisition programs
ⓘ
joint military testing ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| usedFor |
chemical defense experimentation
ⓘ
testing of artillery ⓘ testing of military vehicles ⓘ testing of munitions ⓘ testing of small arms ⓘ |
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: Aberdeen Proving Ground, Maryland Description of subject: Aberdeen Proving Ground, Maryland is a major U.S. Army installation known for weapons testing, research, and development, particularly in ordnance and chemical defense.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
Program Executive Office, Assembled Chemical Weapons Alternatives
→
headquartersLocation
→
Aberdeen Proving Ground, Maryland
ⓘ
U.S. Army Research, Development and Engineering Command
→
subordinateUnit
→
Aberdeen Proving Ground, Maryland
ⓘ
this entity surface form:
Edgewood Chemical Biological Center
U.S. Army Research, Development and Engineering Command
→
headquartersLocation
→
Aberdeen Proving Ground, Maryland
ⓘ
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground Edgewood Area
this entity surface form:
Edgewood Chemical Biological Center
U.S. Army Communications-Electronics Research, Development and Engineering Center
→
headquartersLocation
→
Aberdeen Proving Ground, Maryland
ⓘ
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground
this entity surface form:
Aberdeen Proving Ground