Dimona nuclear facility
E271713
The Dimona nuclear facility is a highly secretive Israeli nuclear installation widely believed to be central to the country's undeclared nuclear weapons program.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Negev Nuclear Research Center | 3 |
| Dimona nuclear facility canonical | 1 |
| Negev Nuclear Research Facility | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2497634 — 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: Dimona nuclear facility Context triple: [Negev desert, contains, Dimona nuclear facility]
-
A.
Artificial Island nuclear complex
The Artificial Island nuclear complex is a major nuclear power facility in New Jersey that hosts multiple generating stations, including the Hope Creek and Salem nuclear plants, on an artificial island along the Delaware River.
-
B.
Chagai
Chagai is a district in western Balochistan, Pakistan, known for its arid desert landscape and for being the site of Pakistan’s 1998 nuclear tests.
-
C.
Onsan National Industrial Complex
Onsan National Industrial Complex is a major South Korean industrial zone in Ulsan known for its large-scale petrochemical, metal, and heavy manufacturing facilities.
-
D.
Valley of Sorek
The Valley of Sorek is a biblical valley in ancient Israel traditionally associated with the story of Samson and Delilah.
-
E.
Kalinin nuclear power plant
The Kalinin nuclear power plant is a major Russian nuclear power facility that supplies electricity to the central regions of the country.
- 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: Dimona nuclear facility Target entity description: The Dimona nuclear facility is a highly secretive Israeli nuclear installation widely believed to be central to the country's undeclared nuclear weapons program.
-
A.
Artificial Island nuclear complex
The Artificial Island nuclear complex is a major nuclear power facility in New Jersey that hosts multiple generating stations, including the Hope Creek and Salem nuclear plants, on an artificial island along the Delaware River.
-
B.
Chagai
Chagai is a district in western Balochistan, Pakistan, known for its arid desert landscape and for being the site of Pakistan’s 1998 nuclear tests.
-
C.
Onsan National Industrial Complex
Onsan National Industrial Complex is a major South Korean industrial zone in Ulsan known for its large-scale petrochemical, metal, and heavy manufacturing facilities.
-
D.
Valley of Sorek
The Valley of Sorek is a biblical valley in ancient Israel traditionally associated with the story of Samson and Delilah.
-
E.
Kalinin nuclear power plant
The Kalinin nuclear power plant is a major Russian nuclear power facility that supplies electricity to the central regions of the country.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear facility
ⓘ
research reactor complex ⓘ |
| alsoKnownAs |
Dimona reactor
ⓘ
Dimona nuclear facility ⓘ
surface form:
Negev Nuclear Research Center
Dimona nuclear facility ⓘ
surface form:
Negev Nuclear Research Facility
|
| approximatePowerOutput | about 26 megawatts thermal (initial declared design) ⓘ |
| associatedPerson | Mordechai Vanunu ⓘ |
| associatedWith |
Israel Defense Forces
ⓘ
surface form:
Israeli Defense Forces (indirectly)
|
| associatedWithProgram | Israeli nuclear weapons program ⓘ |
| believedPowerOutput | significantly higher than declared design ⓘ |
| builtWithAssistanceFrom | France ⓘ |
| constructionSecrecy | initially described as textile plant ⓘ |
| constructionStartDate | 1958 ⓘ |
| controlledBy |
government of Israel
ⓘ
surface form:
Government of Israel
|
| country | Israel ⓘ |
| environmentalConcern | radioactive contamination risk ⓘ |
| hasFacility |
cooling ponds
ⓘ
plutonium separation plant ⓘ reactor building ⓘ support infrastructure ⓘ waste management facilities ⓘ |
| locatedIn | Negev desert ⓘ |
| locatedInAdministrativeEntity | Southern District, Israel ⓘ |
| locatedNear | Dimona ⓘ |
| nearbyCity | Beersheba ⓘ |
| notSubjectTo | IAEA comprehensive safeguards ⓘ |
| operator | Israel Atomic Energy Commission ⓘ |
| ownership |
Israel
ⓘ
surface form:
State of Israel
|
| primaryCoolant | heavy water ⓘ |
| primaryFuel | natural uranium ⓘ |
| purpose |
nuclear research
ⓘ
plutonium production ⓘ production of nuclear weapons material ⓘ tritium production ⓘ |
| reactorType |
heavy water moderated reactor
ⓘ
plutonium production reactor ⓘ |
| region | Middle East ⓘ |
| relatedEvent | revelations by Mordechai Vanunu ⓘ |
| secrecyLevel | highly secretive ⓘ |
| securityMeasures |
airspace restrictions
ⓘ
heavily guarded ⓘ |
| significance | central to Israel's strategic deterrent (widely believed) ⓘ |
| statusOfNuclearWeaponsProgram | undeclared ⓘ |
| subjectOf |
international concern about nuclear proliferation
ⓘ
media investigations ⓘ satellite imagery analysis ⓘ |
| subjectTo | Israeli policy of nuclear ambiguity ⓘ |
| visitedBy | U.S. inspection teams in the 1960s ⓘ |
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: Dimona nuclear facility Description of subject: The Dimona nuclear facility is a highly secretive Israeli nuclear installation widely believed to be central to the country's undeclared nuclear weapons program.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Negev Nuclear Research Center
this entity surface form:
Negev Nuclear Research Center
this entity surface form:
Negev Nuclear Research Center
this entity surface form:
Negev Nuclear Research Facility