Kolubara River region
E516198
The Kolubara River region is an area in western Serbia known for its strategic importance and as the site of significant World War I fighting, including the Battle of Kolubara.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kolubara District (historical-geographical region) | 1 |
| Kolubara River region canonical | 1 |
| Kolubara coal basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5368488 — 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: Kolubara River region Context triple: [Battle of Kolubara, place, Kolubara River region]
-
A.
Fruska Gora region
The Fruska Gora region is a hilly, forested area in northern Serbia known for its national park, monasteries, and vineyards.
-
B.
Serbian Podrinje
Serbian Podrinje is a historical region of western Serbia along the Drina River, encompassing areas such as Mačva and known for its cultural and geographic ties to the broader Podrinje (Drina Valley) area.
-
C.
Podrinje region
The Podrinje region is a historical and geographical area along the Drina River, shared mainly between Serbia and Bosnia and Herzegovina.
-
D.
Struga region
The Struga region is an area in southwestern North Macedonia known for its lakeside town of Struga on Lake Ohrid, rich cultural traditions, and natural landscapes.
-
E.
Bačka
Bačka is a historical and geographical region in the Pannonian Plain, now divided between northern Serbia and southern Hungary, known for its fertile agricultural land and multicultural heritage.
- 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: Kolubara River region Target entity description: The Kolubara River region is an area in western Serbia known for its strategic importance and as the site of significant World War I fighting, including the Battle of Kolubara.
-
A.
Fruska Gora region
The Fruska Gora region is a hilly, forested area in northern Serbia known for its national park, monasteries, and vineyards.
-
B.
Serbian Podrinje
Serbian Podrinje is a historical region of western Serbia along the Drina River, encompassing areas such as Mačva and known for its cultural and geographic ties to the broader Podrinje (Drina Valley) area.
-
C.
Podrinje region
The Podrinje region is a historical and geographical area along the Drina River, shared mainly between Serbia and Bosnia and Herzegovina.
-
D.
Struga region
The Struga region is an area in southwestern North Macedonia known for its lakeside town of Struga on Lake Ohrid, rich cultural traditions, and natural landscapes.
-
E.
Bačka
Bačka is a historical and geographical region in the Pannonian Plain, now divided between northern Serbia and southern Hungary, known for its fertile agricultural land and multicultural heritage.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
historical region ⓘ |
| associatedWithMilitaryLeader | Živojin Mišić NERFINISHED ⓘ |
| battlefieldIn | Battle of Kolubara NERFINISHED ⓘ |
| belligerent |
Austria-Hungary
NERFINISHED
ⓘ
Kingdom of Serbia NERFINISHED ⓘ |
| climate | continental climate ⓘ |
| conflict | World War I ⓘ |
| contains | Kolubara coal basin NERFINISHED ⓘ |
| continent | Europe ⓘ |
| country | Serbia ⓘ |
| drainageBasinOf | Kolubara River NERFINISHED ⓘ |
| drainsInto | Sava River NERFINISHED ⓘ |
| hasCemeteriesFor | World War I soldiers ⓘ |
| hasCityNearby |
Lazarevac
NERFINISHED
ⓘ
Obrenovac NERFINISHED ⓘ Valjevo NERFINISHED ⓘ |
| hasEconomicActivity |
agriculture
ⓘ
coal mining ⓘ |
| hasFeature |
Kolubara River valley
NERFINISHED
ⓘ
hilly terrain ⓘ river crossings ⓘ |
| hasMemorialsFor | Battle of Kolubara NERFINISHED ⓘ |
| historicalEvent | Battle of Kolubara NERFINISHED ⓘ |
| historicalSignificance | Serbian defensive victory in 1914 ⓘ |
| knownFor |
Battle of Kolubara
NERFINISHED
ⓘ
World War I fighting ⓘ strategic importance ⓘ |
| language | Serbian ⓘ |
| locatedIn |
Kolubara District
NERFINISHED
ⓘ
western Serbia NERFINISHED ⓘ |
| namedAfter | Kolubara River NERFINISHED ⓘ |
| near |
Belgrade
NERFINISHED
ⓘ
Posavina region NERFINISHED ⓘ Tamnavа region NERFINISHED ⓘ |
| partOf |
Balkan Peninsula
NERFINISHED
ⓘ
Central Serbia NERFINISHED ⓘ Kolubara River basin NERFINISHED ⓘ |
| river | Kolubara River NERFINISHED ⓘ |
| strategicImportanceFor |
control of central Serbia
ⓘ
defense of Belgrade ⓘ |
| strategicImportanceIn | World War I NERFINISHED ⓘ |
| terrainType | mixed lowland and hilly terrain ⓘ |
| timePeriodOfMajorBattle | 1914 ⓘ |
| usedAs | front line in World War I ⓘ |
| usedFor |
defensive positions
ⓘ
military operations ⓘ |
| waterSystem | Sava River basin 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: Kolubara River region Description of subject: The Kolubara River region is an area in western Serbia known for its strategic importance and as the site of significant World War I fighting, including the Battle of Kolubara.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kolubara District (historical-geographical region)