River Schwarze Elster
E866000
The River Schwarze Elster is a river in eastern Germany that flows through Saxony, Brandenburg, and Saxony-Anhalt before joining the River Spree.
All labels observed (2)
| Label | Occurrences |
|---|---|
| German river name "Schwarze Elster" | 1 |
| River Schwarze Elster canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9415067 — 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: River Schwarze Elster Context triple: [River Spree, hasTributary, River Schwarze Elster]
-
A.
Örtze River
The Örtze River is a river in Lower Saxony, Germany, known for flowing through the Lüneburg Heath before joining the Aller.
-
B.
River Pleiße
The River Pleiße is a small river in central Germany that flows through the city and district of Leipzig, contributing to the region’s historic waterways and green corridors.
-
C.
Wiese River
The Wiese River is a tributary of the Rhine flowing through parts of Germany and Switzerland, including the municipality of Riehen near Basel.
-
D.
Ahr River
The Ahr River is a tributary of the Rhine in western Germany, known for flowing through the Eifel region and its surrounding wine-growing valleys.
-
E.
Inn River
The Inn River is a major Alpine river in Central Europe that flows through Switzerland, Austria, and Germany before joining the Danube.
- 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: River Schwarze Elster Target entity description: The River Schwarze Elster is a river in eastern Germany that flows through Saxony, Brandenburg, and Saxony-Anhalt before joining the River Spree.
-
A.
Örtze River
The Örtze River is a river in Lower Saxony, Germany, known for flowing through the Lüneburg Heath before joining the Aller.
-
B.
River Pleiße
The River Pleiße is a small river in central Germany that flows through the city and district of Leipzig, contributing to the region’s historic waterways and green corridors.
-
C.
Wiese River
The Wiese River is a tributary of the Rhine flowing through parts of Germany and Switzerland, including the municipality of Riehen near Basel.
-
D.
Ahr River
The Ahr River is a tributary of the Rhine in western Germany, known for flowing through the Eifel region and its surrounding wine-growing valleys.
-
E.
Inn River
The Inn River is a major Alpine river in Central Europe that flows through Switzerland, Austria, and Germany before joining the Danube.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinArea | approximately 5,500 km² ⓘ |
| basinCountry | Germany ⓘ |
| belongsTo | German river network ⓘ |
| country | Germany NERFINISHED ⓘ |
| crossesAdministrativeRegion |
Elbe-Elster district
NERFINISHED
ⓘ
Oberspreewald-Lausitz NERFINISHED ⓘ Wittenberg district NERFINISHED ⓘ |
| drainageBasin | North Sea NERFINISHED ⓘ |
| environmentalIssue | water quality affected by lignite mining ⓘ |
| flowsInto | Spree near Elsterwerda NERFINISHED ⓘ |
| flowsThrough |
Bad Liebenwerda
NERFINISHED
ⓘ
Brandenburg NERFINISHED ⓘ Elsterwerda NERFINISHED ⓘ Free State of Saxony NERFINISHED ⓘ Herzberg (Elster) NERFINISHED ⓘ Hoyerswerda NERFINISHED ⓘ Jessen (Elster) NERFINISHED ⓘ Saxony-Anhalt NERFINISHED ⓘ Senftenberg NERFINISHED ⓘ Wittenberg district NERFINISHED ⓘ |
| hasBridge | multiple road and rail bridges ⓘ |
| hasFloodHistory | subject to periodic flooding ⓘ |
| hasTributary |
10. Elster
ⓘ
Kleine Elster NERFINISHED ⓘ Pulsnitz NERFINISHED ⓘ Röder NERFINISHED ⓘ |
| length | approximately 179 km ⓘ |
| locatedIn |
Lusatia
NERFINISHED
ⓘ
eastern Germany NERFINISHED ⓘ |
| mouthCountry | Germany NERFINISHED ⓘ |
| mouthLocation | Brandenburg NERFINISHED ⓘ |
| mouthOfWaterBody | Spree NERFINISHED ⓘ |
| nameMeaning | Black Elster NERFINISHED ⓘ |
| navigability | not a major navigable waterway ⓘ |
| partOf | Spree–Elster river network NERFINISHED ⓘ |
| region | former lignite mining areas of Lusatia ⓘ |
| riverSystem | Elbe river basin NERFINISHED ⓘ |
| sourceCountry | Germany NERFINISHED ⓘ |
| sourceLocation |
Lusatian Highlands
NERFINISHED
ⓘ
Saxony NERFINISHED ⓘ |
| tributaryOf | Spree NERFINISHED ⓘ |
| tributaryType | right tributary of the Spree ⓘ |
| usedFor |
angling
ⓘ
flood protection system ⓘ recreation ⓘ |
| waterBodyType | lowland river ⓘ |
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: River Schwarze Elster Description of subject: The River Schwarze Elster is a river in eastern Germany that flows through Saxony, Brandenburg, and Saxony-Anhalt before joining the River Spree.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
German river name "Schwarze Elster"