Obninsk
E484463
Obninsk is a Russian city best known as the site of the world’s first grid-connected nuclear power plant and an important center for nuclear and scientific research.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Obninsk canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4970155 — 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: Obninsk Context triple: [Kaluga Oblast, containsCity, Obninsk]
-
A.
Sarov
Sarov is a closed Russian city in Nizhny Novgorod Oblast known as a major center for nuclear research and weapons development.
-
B.
Dubna
Dubna is a Russian town in the Moscow Oblast best known as a major center for nuclear research and home to the Joint Institute for Nuclear Research.
-
C.
Plesetsk
Plesetsk is a town in Arkhangelsk Oblast in northwestern Russia known primarily for its proximity to the Plesetsk Cosmodrome, a major Russian space launch facility.
-
D.
Slavutych
Slavutych is a planned Ukrainian city built after the Chernobyl disaster to house evacuated workers and their families, known for its unique multinational architectural design.
-
E.
Peredelkino
Peredelkino is a writers’ village near Moscow, Russia, historically known as a retreat and residence for many prominent Soviet and Russian authors, including Boris Pasternak.
- 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: Obninsk Target entity description: Obninsk is a Russian city best known as the site of the world’s first grid-connected nuclear power plant and an important center for nuclear and scientific research.
-
A.
Sarov
Sarov is a closed Russian city in Nizhny Novgorod Oblast known as a major center for nuclear research and weapons development.
-
B.
Dubna
Dubna is a Russian town in the Moscow Oblast best known as a major center for nuclear research and home to the Joint Institute for Nuclear Research.
-
C.
Plesetsk
Plesetsk is a town in Arkhangelsk Oblast in northwestern Russia known primarily for its proximity to the Plesetsk Cosmodrome, a major Russian space launch facility.
-
D.
Slavutych
Slavutych is a planned Ukrainian city built after the Chernobyl disaster to house evacuated workers and their families, known for its unique multinational architectural design.
-
E.
Peredelkino
Peredelkino is a writers’ village near Moscow, Russia, historically known as a retreat and residence for many prominent Soviet and Russian authors, including Boris Pasternak.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipal formation ⓘ |
| administrativeStatus | city of oblast significance ⓘ |
| areaCode | +7 48439 ⓘ |
| cityStatusGranted | 1956 ⓘ |
| climate | humid continental climate ⓘ |
| coordinateLatitude | 55.1000 ⓘ |
| coordinateLongitude | 36.6167 ⓘ |
| country | Russia ⓘ |
| distanceFrom | Moscow ⓘ |
| distanceFromMoscow_km | about 100 ⓘ |
| educationalInstitution | Obninsk Institute for Nuclear Power Engineering (NRNU MEPhI branch) ⓘ |
| founded | 1946 ⓘ |
| gridConnection | site of first nuclear power plant to supply electricity to a national grid ⓘ |
| hasFacility |
Institute of Physics and Power Engineering
ⓘ
Obninsk Nuclear Power Plant ⓘ Obninsk branch of the Kurchatov Institute ⓘ
linked to:
Kurchatov Institute
research institutes of meteorology and climatology ⓘ |
| hasIndustry |
engineering
ⓘ
information technology ⓘ nuclear technology ⓘ |
| historicalEvent | launch of Obninsk Nuclear Power Plant in 1954 ⓘ |
| knownFor |
nuclear research
ⓘ
scientific research ⓘ world’s first grid-connected nuclear power plant ⓘ |
| language | Russian ⓘ |
| locatedIn |
Central Federal District
ⓘ
Kaluga Oblast ⓘ |
| locatedOn | Protva River ⓘ |
| officialWebsite | http://www.obninsk.ru/ ⓘ |
| population | approximately 120000 ⓘ |
| postalCodeRange | 249030–249039 ⓘ |
| recognizedAs | first science city of Russia ⓘ |
| status | science city ⓘ |
| timeZone |
Moscow Time
ⓘ
UTC+3 ⓘ |
| transport |
located near M3 Ukraine Highway
ⓘ
served by Obninsk railway station ⓘ |
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: Obninsk Description of subject: Obninsk is a Russian city best known as the site of the world’s first grid-connected nuclear power plant and an important center for nuclear and scientific research.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.