Dreisam
E673788
Dreisam is a river in southwestern Germany that flows through the city of Freiburg im Breisgau and is known for shaping its landscape and recreational areas.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Dreisam canonical | 3 |
| Dreisam (nearby) | 1 |
| Dreisam (river) | 1 |
| Dreisam River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7572867 — 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: Dreisam Context triple: [Freiburg im Breisgau, hasRiver, Dreisam]
-
A.
Traun River
The Traun River is a major tributary of the Danube in Austria, flowing through the Salzkammergut lake district and the state of Upper Austria.
-
B.
Würm River
The Würm River is a small river in Bavaria, Germany, known for flowing north from Lake Starnberg through towns such as Gauting and Starnberg before joining the Amper River.
-
C.
Vorderrhein
Vorderrhein is one of the two main headwater rivers of the Rhine in the Swiss Alps, flowing through the canton of Graubünden before joining the Hinterrhein.
-
D.
Saalach River
The Saalach River is an Alpine river in Austria and Germany that flows through the spa town of Bad Reichenhall before joining the Salzach.
-
E.
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.
- 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: Dreisam Target entity description: Dreisam is a river in southwestern Germany that flows through the city of Freiburg im Breisgau and is known for shaping its landscape and recreational areas.
-
A.
Traun River
The Traun River is a major tributary of the Danube in Austria, flowing through the Salzkammergut lake district and the state of Upper Austria.
-
B.
Würm River
The Würm River is a small river in Bavaria, Germany, known for flowing north from Lake Starnberg through towns such as Gauting and Starnberg before joining the Amper River.
-
C.
Vorderrhein
Vorderrhein is one of the two main headwater rivers of the Rhine in the Swiss Alps, flowing through the canton of Graubünden before joining the Hinterrhein.
-
D.
Saalach River
The Saalach River is an Alpine river in Austria and Germany that flows through the spa town of Bad Reichenhall before joining the Salzach.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Germany ⓘ |
| country | Germany ⓘ |
| crosses | Freiburg city center vicinity ⓘ |
| drainageBasin | Upper Rhine Plain ⓘ |
| ecologicalRole | habitat for aquatic and riparian species in the Breisgau region ⓘ |
| flowsDirection | generally westward from the Black Forest to the Upper Rhine Plain ⓘ |
| flowsThrough |
Denzlingen
ⓘ
Freiburg im Breisgau ⓘ Gundelfingen (Breisgau) ⓘ
linked to:
Gundelfingen
Kirchzarten ⓘ Stegen (Breisgau) ⓘ |
| hasBridge | numerous pedestrian and road bridges in Freiburg ⓘ |
| hasPart |
canalized sections in Freiburg
ⓘ
natural sections upstream in the Black Forest ⓘ |
| hasRecreationArea |
Dreisam riverbanks in Freiburg
ⓘ
green corridors along the river in Freiburg ⓘ |
| hasUse |
educational field trips for local schools and universities
ⓘ
informal bathing and wading in summer (where permitted) ⓘ |
| influences |
landscape of Freiburg im Breisgau
ⓘ
urban planning in Freiburg ⓘ |
| isSubjectOf |
local flood protection projects in Freiburg
ⓘ
river renaturation discussions in Freiburg region ⓘ |
| knownFor |
recreational riverbanks in Freiburg
ⓘ
shaping the landscape of Freiburg ⓘ |
| length | approximately 29 km ⓘ |
| localNameLanguage | German ⓘ |
| locatedIn |
Baden-Württemberg
ⓘ
Southwestern Germany ⓘ
linked to:
southwestern Germany
|
| mouthLocation |
Elz (river in Baden-Württemberg)
ⓘ
linked to:
Elz (river)
near Riegel am Kaiserstuhl ⓘ |
| near |
Feldberg (mountain)
ⓘ
linked to:
Feldberg
Kaiserstuhl region ⓘ
linked to:
Kaiserstuhl
Schauinsland (mountain) ⓘ |
| partOf | hydrological network of the Black Forest ⓘ |
| region | Breisgau ⓘ |
| riverSystem |
Rhine basin
ⓘ
linked to:
Rhine River Basin
|
| sourceLocation |
Black Forest
ⓘ
near Feldberg (Black Forest) ⓘ |
| tributaryOf |
Elz (river in Baden-Württemberg)
ⓘ
linked to:
Elz (river)
|
| usedFor |
cycling along riverbanks
ⓘ
flood control channels in Freiburg ⓘ recreation ⓘ urban recreation in Freiburg ⓘ walking and jogging ⓘ |
| watercourseType |
canalized urban river (through Freiburg)
ⓘ
mountain river (upper course) ⓘ |
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: Dreisam Description of subject: Dreisam is a river in southwestern Germany that flows through the city of Freiburg im Breisgau and is known for shaping its landscape and recreational areas.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dreisam
linked to: Dreisam
linked to: Dreisam