Kostolac
E764866
Kostolac is a town in eastern Serbia known for its proximity to the ancient Roman city and archaeological site of Viminacium as well as for its major coal mining and power generation facilities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kostolac canonical | 1 |
| modern town of Kostolac | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8896679 — 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: Kostolac Context triple: [Viminacium archaeological park, locatedNear, Kostolac]
-
A.
Mladenovac
Mladenovac is a suburban municipality and town located in the southern part of the City of Belgrade, Serbia.
-
B.
Loznica
Loznica is a town in western Serbia near the Drina River, known as a regional center with historical and cultural significance.
-
C.
Jasenica
Jasenica is a river in central Serbia that flows through the Šumadija region before joining the Velika Morava.
-
D.
Lazarevac
Lazarevac is a suburban municipality of Belgrade in central Serbia, known for its coal mining industry and the Kolubara coal basin.
-
E.
Zvornik
Zvornik is a historic town and municipality in northeastern Bosnia and Herzegovina, situated on the banks of the Drina River near the border with Serbia.
- 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: Kostolac Target entity description: Kostolac is a town in eastern Serbia known for its proximity to the ancient Roman city and archaeological site of Viminacium as well as for its major coal mining and power generation facilities.
-
A.
Mladenovac
Mladenovac is a suburban municipality and town located in the southern part of the City of Belgrade, Serbia.
-
B.
Loznica
Loznica is a town in western Serbia near the Drina River, known as a regional center with historical and cultural significance.
-
C.
Jasenica
Jasenica is a river in central Serbia that flows through the Šumadija region before joining the Velika Morava.
-
D.
Lazarevac
Lazarevac is a suburban municipality of Belgrade in central Serbia, known for its coal mining industry and the Kolubara coal basin.
-
E.
Zvornik
Zvornik is a historic town and municipality in northeastern Bosnia and Herzegovina, situated on the banks of the Drina River near the border with Serbia.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf | town ⓘ |
| country | Serbia ⓘ |
| countrySubdivision | Braničevo District NERFINISHED ⓘ |
| energySource | lignite ⓘ |
| hasEconomicActivity |
electricity generation
ⓘ
open-pit mining ⓘ |
| hasFacility |
Kostolac coal mines
NERFINISHED
ⓘ
Kostolac thermal power plant complex NERFINISHED ⓘ |
| hasHeritageNearby | Roman city of Viminacium NERFINISHED ⓘ |
| hasIndustry |
coal mining industry
ⓘ
energy production ⓘ |
| hasNearbyCity |
Belgrade
NERFINISHED
ⓘ
Požarevac NERFINISHED ⓘ |
| hasNearbyCulturalSite | Viminacium archaeological park NERFINISHED ⓘ |
| hasNearbyInfrastructure | Danube river port ⓘ |
| hasNearbyRiver | Mlava River NERFINISHED ⓘ |
| hasNearbyTourism |
archaeological tourism
ⓘ
industrial heritage tours ⓘ |
| hasPostalCountry | Serbia NERFINISHED ⓘ |
| hasPowerPlantType | coal-fired power plant ⓘ |
| hasTransport | regional roads ⓘ |
| historicalRegion | Braničevo NERFINISHED ⓘ |
| knownFor |
coal mining
ⓘ
lignite deposits ⓘ proximity to the archaeological site of Viminacium ⓘ thermal power plants ⓘ |
| languageUsed | Serbian ⓘ |
| locatedIn | eastern Serbia NERFINISHED ⓘ |
| locatedInAdministrativeEntity |
Braničevo District
NERFINISHED
ⓘ
Požarevac NERFINISHED ⓘ |
| locatedInContinent | Europe ⓘ |
| locatedInRegion | Central Danube region NERFINISHED ⓘ |
| locatedNear | Viminacium NERFINISHED ⓘ |
| locatedOnRiver | Danube River NERFINISHED ⓘ |
| nearbyArchaeologicalSite | Viminacium NERFINISHED ⓘ |
| partOf |
City of Požarevac
NERFINISHED
ⓘ
Serbian coal basin NERFINISHED ⓘ |
| partOfPowerSystem | Serbian national power grid NERFINISHED ⓘ |
| timeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| writingSystemUsed |
Cyrillic script
ⓘ
Latin script ⓘ |
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: Kostolac Description of subject: Kostolac is a town in eastern Serbia known for its proximity to the ancient Roman city and archaeological site of Viminacium as well as for its major coal mining and power generation facilities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
modern town of Kostolac