Sverdlovsk-45 (Novouralsk)
E683118
Sverdlovsk-45, now known as Novouralsk, is a former secret Soviet closed city in Sverdlovsk Oblast that was a major center for the nuclear industry and uranium enrichment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sverdlovsk-45 (Novouralsk) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7320971 — 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: Sverdlovsk-45 (Novouralsk) Context triple: [Sverdlovsk Oblast, hasClosedCity, Sverdlovsk-45 (Novouralsk)]
-
A.
Sverdlovsk
Sverdlovsk is the former name of Yekaterinburg, a major industrial and cultural city in Russia’s Ural region.
-
B.
Magnitogorsk
Magnitogorsk is a major industrial city in Russia’s Chelyabinsk Oblast, historically centered around one of the world’s largest iron and steel works.
-
C.
Nizhnekamsk
Nizhnekamsk is a major industrial city in Russia known for its large petrochemical and oil refining complexes.
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D.
Nizhny Tagil
Nizhny Tagil is a major industrial city in Russia’s Sverdlovsk Oblast, historically known for its metallurgical plants and role in the country’s heavy industry.
-
E.
Novokuybyshevsk
Novokuybyshevsk is an industrial city in Samara Oblast, Russia, known for its major oil refining and petrochemical industries.
- 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: Sverdlovsk-45 (Novouralsk) Target entity description: Sverdlovsk-45, now known as Novouralsk, is a former secret Soviet closed city in Sverdlovsk Oblast that was a major center for the nuclear industry and uranium enrichment.
-
A.
Sverdlovsk
Sverdlovsk is the former name of Yekaterinburg, a major industrial and cultural city in Russia’s Ural region.
-
B.
Magnitogorsk
Magnitogorsk is a major industrial city in Russia’s Chelyabinsk Oblast, historically centered around one of the world’s largest iron and steel works.
-
C.
Nizhnekamsk
Nizhnekamsk is a major industrial city in Russia known for its large petrochemical and oil refining complexes.
-
D.
Nizhny Tagil
Nizhny Tagil is a major industrial city in Russia’s Sverdlovsk Oblast, historically known for its metallurgical plants and role in the country’s heavy industry.
-
E.
Novokuybyshevsk
Novokuybyshevsk is an industrial city in Samara Oblast, Russia, known for its major oil refining and petrochemical industries.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
closed city
ⓘ
nuclear industry center ⓘ |
| administrativeCenterOf | Novouralsky Urban Okrug NERFINISHED ⓘ |
| administrativeDivision | Sverdlovsk Oblast NERFINISHED ⓘ |
| administrativeStatus | city under oblast jurisdiction ⓘ |
| associatedWith | Ural Electrochemical Combine NERFINISHED ⓘ |
| belongsToCategory |
Soviet closed cities
NERFINISHED
ⓘ
nuclear cities of Russia ⓘ |
| classification | secret city during Soviet era ⓘ |
| controlledBy |
Rosatom (successor structures)
NERFINISHED
ⓘ
Soviet military-industrial complex NERFINISHED ⓘ |
| coordinatesRegion | eastern slope of the Ural Mountains ⓘ |
| country | Soviet Union ⓘ |
| countryAfter1991 | Russian Federation NERFINISHED ⓘ |
| economicSector | nuclear fuel cycle ⓘ |
| function |
nuclear fuel production
ⓘ
uranium enrichment center ⓘ |
| governedAs | closed administrative-territorial formation ⓘ |
| hadCodeName | Sverdlovsk-45 NERFINISHED ⓘ |
| hasAlternativeName | Novouralsk NERFINISHED ⓘ |
| hasCurrentName | Novouralsk NERFINISHED ⓘ |
| hasLanguage | Russian ⓘ |
| hasType | monotown (single-industry city) ⓘ |
| historicalRole | major center of Soviet uranium enrichment ⓘ |
| industry |
nuclear technology
ⓘ
uranium enrichment ⓘ |
| locatedIn |
Russia
ⓘ
Sverdlovsk Oblast NERFINISHED ⓘ |
| locatedOn | Asia–Europe boundary region ⓘ |
| mainEmployer | Ural Electrochemical Combine NERFINISHED ⓘ |
| near | Yekaterinburg NERFINISHED ⓘ |
| partOf |
Russian nuclear industry
NERFINISHED
ⓘ
Soviet nuclear program NERFINISHED ⓘ |
| region | Ural region NERFINISHED ⓘ |
| securityStatus | closed city (restricted access) ⓘ |
| statusAfterUSSR | remained a closed city ⓘ |
| strategicImportance | high ⓘ |
| timePeriod | Cold War ⓘ |
| timezone | Yekaterinburg Time NERFINISHED ⓘ |
| transportRestrictions | restricted entry and exit ⓘ |
| usedFor |
production of enriched uranium for nuclear power plants
ⓘ
production of enriched uranium for nuclear weapons ⓘ |
| wasRenamedAs | Novouralsk NERFINISHED ⓘ |
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: Sverdlovsk-45 (Novouralsk) Description of subject: Sverdlovsk-45, now known as Novouralsk, is a former secret Soviet closed city in Sverdlovsk Oblast that was a major center for the nuclear industry and uranium enrichment.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.