Punggye-ri Nuclear Test Site
E571998
Punggye-ri Nuclear Test Site is North Korea’s primary underground nuclear testing facility, located in a remote mountainous area of the country and used for multiple nuclear detonations since 2006.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Punggye-ri Nuclear Test Site canonical | 2 |
| Punggye-ri underground nuclear test site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6122859 — 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: Punggye-ri Nuclear Test Site Context triple: [North Korean nuclear weapons program, firstNuclearTestSite, Punggye-ri Nuclear Test Site]
-
A.
Semipalatinsk Test Site
The Semipalatinsk Test Site was the primary Soviet nuclear weapons testing ground, located in northeastern Kazakhstan and notorious for extensive radioactive contamination and long-term health impacts on local populations.
-
B.
Mangyongdae
Mangyongdae is a historic district in Pyongyang, North Korea, known as the birthplace and commemorative site of the country's founding leader, Kim Il Sung.
-
C.
Taebong
Taebong was a short-lived Korean kingdom of the early 10th century that emerged during the Later Three Kingdoms period before being absorbed by Goryeo.
-
D.
Gyeryongdae complex
The Gyeryongdae complex is South Korea’s main military headquarters facility, housing the central commands of its armed forces.
-
E.
Kaesong Industrial Region
The Kaesong Industrial Region is a special inter-Korean industrial park in North Korea where South Korean companies operated factories using North Korean labor as a symbol of economic cooperation between the two Koreas.
- 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: Punggye-ri Nuclear Test Site Target entity description: Punggye-ri Nuclear Test Site is North Korea’s primary underground nuclear testing facility, located in a remote mountainous area of the country and used for multiple nuclear detonations since 2006.
-
A.
Semipalatinsk Test Site
The Semipalatinsk Test Site was the primary Soviet nuclear weapons testing ground, located in northeastern Kazakhstan and notorious for extensive radioactive contamination and long-term health impacts on local populations.
-
B.
Mangyongdae
Mangyongdae is a historic district in Pyongyang, North Korea, known as the birthplace and commemorative site of the country's founding leader, Kim Il Sung.
-
C.
Taebong
Taebong was a short-lived Korean kingdom of the early 10th century that emerged during the Later Three Kingdoms period before being absorbed by Goryeo.
-
D.
Gyeryongdae complex
The Gyeryongdae complex is South Korea’s main military headquarters facility, housing the central commands of its armed forces.
-
E.
Kaesong Industrial Region
The Kaesong Industrial Region is a special inter-Korean industrial park in North Korea where South Korean companies operated factories using North Korean labor as a symbol of economic cooperation between the two Koreas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear test site
ⓘ
underground nuclear testing facility ⓘ |
| alsoKnownAs |
Punggye-ri nuclear test facility
NERFINISHED
ⓘ
Punggye-ri test site NERFINISHED ⓘ |
| announcedClosureDate | 2018-05 ⓘ |
| closureAnnouncedBy | Kim Jong Un NERFINISHED ⓘ |
| closureMethod | demolition of tunnel entrances ⓘ |
| closureObservedBy | foreign journalists ⓘ |
| controlledBy | Government of North Korea NERFINISHED ⓘ |
| country | North Korea ⓘ |
| detectionMethod | seismic monitoring ⓘ |
| firstNuclearTestDate | 2006-10-09 ⓘ |
| firstNuclearTestYear | 2006 ⓘ |
| globalImpact |
UN Security Council sanctions on North Korea
ⓘ
heightened regional security tensions ⓘ |
| hasFeature |
access roads
ⓘ
security perimeter ⓘ support facilities ⓘ surface infrastructure ⓘ tunnel complexes ⓘ underground galleries ⓘ |
| languageOfName | Korean ⓘ |
| locatedIn |
Kilju County
NERFINISHED
ⓘ
North Hamgyong Province NERFINISHED ⓘ mountainous area ⓘ |
| locatedNear | Mantap Mountain NERFINISHED ⓘ |
| monitoredBy |
Comprehensive Nuclear-Test-Ban Treaty Organization
NERFINISHED
ⓘ
Japanese monitoring agencies ⓘ South Korean intelligence agencies NERFINISHED ⓘ United States intelligence agencies NERFINISHED ⓘ |
| nearbySettlement | Punggye-ri village NERFINISHED ⓘ |
| notableTest | 2017 test claimed as hydrogen bomb ⓘ |
| numberOfKnownNuclearTests | 6 ⓘ |
| operatedBy | Korean People’s Army NERFINISHED ⓘ |
| partOf | North Korea nuclear weapons program NERFINISHED ⓘ |
| risk |
geological instability
ⓘ
radioactive contamination ⓘ |
| significance | primary nuclear test site of North Korea ⓘ |
| subjectOf |
arms control research
ⓘ
satellite imagery analysis ⓘ |
| testConducted |
2006 North Korean nuclear test
NERFINISHED
ⓘ
2009 North Korean nuclear test ⓘ 2013 North Korean nuclear test ⓘ 2017 North Korean nuclear test ⓘ January 2016 North Korean nuclear test ⓘ September 2016 North Korean nuclear test ⓘ |
| usedFor |
nuclear weapons testing
ⓘ
underground nuclear detonations ⓘ |
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: Punggye-ri Nuclear Test Site Description of subject: Punggye-ri Nuclear Test Site is North Korea’s primary underground nuclear testing facility, located in a remote mountainous area of the country and used for multiple nuclear detonations since 2006.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Punggye-ri underground nuclear test site