Region 4
E490903
Region 4 is the U.S. Environmental Protection Agency’s Southeast region, responsible for environmental regulation and enforcement across several southeastern states.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Region 4 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5061503 — 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: Region 4 Context triple: [Tipton County, Tennessee, isInEPARegion, Region 4]
-
A.
Region 5
Region 5 is the U.S. Forest Service’s Pacific Southwest Region, which oversees national forests primarily in California and parts of neighboring areas.
-
B.
Region VI
Region VI, also known as Western Visayas, is an administrative region in the central Philippines comprising several provinces and islands, including Panay and Guimaras.
-
C.
Region III
Region III, also known as Central Luzon, is a major administrative region in the Philippines recognized as a key agricultural and industrial hub on the island of Luzon.
-
D.
Region 11
Region 11, also known as the Davao Region, is an administrative region in southeastern Mindanao in the Philippines centered around the highly urbanized city of Davao.
-
E.
Region II
Region II, also known as Cagayan Valley, is an administrative region in the northeastern part of Luzon in the Philippines known for its vast agricultural plains and river systems.
- 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: Region 4 Target entity description: Region 4 is the U.S. Environmental Protection Agency’s Southeast region, responsible for environmental regulation and enforcement across several southeastern states.
-
A.
Region 5
Region 5 is the U.S. Forest Service’s Pacific Southwest Region, which oversees national forests primarily in California and parts of neighboring areas.
-
B.
Region VI
Region VI, also known as Western Visayas, is an administrative region in the central Philippines comprising several provinces and islands, including Panay and Guimaras.
-
C.
Region III
Region III, also known as Central Luzon, is a major administrative region in the Philippines recognized as a key agricultural and industrial hub on the island of Luzon.
-
D.
Region 11
Region 11, also known as the Davao Region, is an administrative region in southeastern Mindanao in the Philippines centered around the highly urbanized city of Davao.
-
E.
Region II
Region II, also known as Cagayan Valley, is an administrative region in the northeastern part of Luzon in the Philippines known for its vast agricultural plains and river systems.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
EPA administrative region
ⓘ
United States Environmental Protection Agency region ⓘ |
| collaboratesWith |
state environmental agencies in Alabama
ⓘ
state environmental agencies in Florida ⓘ state environmental agencies in Georgia ⓘ state environmental agencies in Kentucky ⓘ state environmental agencies in Mississippi ⓘ state environmental agencies in North Carolina ⓘ state environmental agencies in South Carolina ⓘ state environmental agencies in Tennessee ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| focusesOn |
air pollution control
ⓘ
climate change adaptation and resilience in the Southeast ⓘ environmental justice in the Southeast ⓘ protection of coastal and wetland ecosystems ⓘ protection of public health from environmental hazards ⓘ toxic substances regulation ⓘ waste management ⓘ water pollution control ⓘ |
| hasOfficialWebsite | https://www.epa.gov/aboutepa/epa-region-4-southeast ⓘ |
| headquartersLocation |
Atlanta, Georgia
ⓘ
linked to:
Atlanta
|
| jurisdiction |
Alabama
ⓘ
Florida ⓘ Georgia ⓘ Kentucky ⓘ Mississippi ⓘ North Carolina ⓘ Six Tribal Nations ⓘ South Carolina ⓘ Tennessee ⓘ |
| parentOrganization | United States Environmental Protection Agency ⓘ |
| partOf | United States Environmental Protection Agency regional system ⓘ |
| regionServed |
Southeastern United States
ⓘ
linked to:
Southern United States
|
| responsibleFor |
Superfund site oversight in the Southeast
ⓘ
air quality regulation in the Southeast ⓘ enforcement of the Clean Air Act ⓘ enforcement of the Clean Water Act ⓘ enforcement of the Resource Conservation and Recovery Act ⓘ enforcement of the Safe Drinking Water Act ⓘ environmental compliance inspections ⓘ environmental monitoring and data collection ⓘ hazardous waste management oversight in the Southeast ⓘ implementation of federal environmental laws in the Southeast ⓘ permitting and regulatory approvals ⓘ technical assistance to state environmental agencies ⓘ water quality regulation in the Southeast ⓘ |
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: Region 4 Description of subject: Region 4 is the U.S. Environmental Protection Agency’s Southeast region, responsible for environmental regulation and enforcement across several southeastern states.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.