river Oker
E893011
The river Oker is a watercourse in Lower Saxony, Germany, that flows from the Harz Mountains through towns such as Altenau before joining the Aller River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| river Oker canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10101331 — 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 Oker Context triple: [Altenau, locatedOn, river Oker]
-
A.
River Ock
River Ock is a small river in Oxfordshire, England, that flows through the Vale of White Horse before joining the River Thames.
-
B.
Inn River
The Inn River is a major Alpine river in Central Europe that flows through Switzerland, Austria, and Germany before joining the Danube.
-
C.
Örtze River
The Örtze River is a river in Lower Saxony, Germany, known for flowing through the Lüneburg Heath before joining the Aller.
-
D.
Warnow River
The Warnow River is a waterway in northeastern Germany that flows through the city of Rostock before emptying into the Baltic Sea.
-
E.
Erft River
The Erft River is a tributary of the Rhine in western Germany, flowing through North Rhine-Westphalia and known for passing historic towns and former mining areas before joining the Rhine near Neuss.
- 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 Oker Target entity description: The river Oker is a watercourse in Lower Saxony, Germany, that flows from the Harz Mountains through towns such as Altenau before joining the Aller River.
-
A.
River Ock
River Ock is a small river in Oxfordshire, England, that flows through the Vale of White Horse before joining the River Thames.
-
B.
Inn River
The Inn River is a major Alpine river in Central Europe that flows through Switzerland, Austria, and Germany before joining the Danube.
-
C.
Örtze River
The Örtze River is a river in Lower Saxony, Germany, known for flowing through the Lüneburg Heath before joining the Aller.
-
D.
Warnow River
The Warnow River is a waterway in northeastern Germany that flows through the city of Rostock before emptying into the Baltic Sea.
-
E.
Erft River
The Erft River is a tributary of the Rhine in western Germany, flowing through North Rhine-Westphalia and known for passing historic towns and former mining areas before joining the Rhine near Neuss.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Germany ⓘ |
| country | Germany NERFINISHED ⓘ |
| drainageBasin | Aller basin NERFINISHED ⓘ |
| flowsDirection | generally northward ⓘ |
| flowsInto | Aller near Müden (Aller) NERFINISHED ⓘ |
| flowsThrough |
Altenau
NERFINISHED
ⓘ
Braunschweig NERFINISHED ⓘ Goslar NERFINISHED ⓘ Meinersen NERFINISHED ⓘ Vienenburg NERFINISHED ⓘ Wolfenbüttel NERFINISHED ⓘ |
| hasBridge | Okerbrücke in Braunschweig ⓘ |
| hasNameOrigin | Old Slavic language ⓘ |
| hasReservoir |
Oker Dam
NERFINISHED
ⓘ
Okerstausee NERFINISHED ⓘ |
| hasTributary |
Abzucht
NERFINISHED
ⓘ
Alteau NERFINISHED ⓘ Aue NERFINISHED ⓘ Ecker NERFINISHED ⓘ Mittelriede NERFINISHED ⓘ Radau NERFINISHED ⓘ Schunter NERFINISHED ⓘ Uhrau NERFINISHED ⓘ Wabe NERFINISHED ⓘ Warne NERFINISHED ⓘ |
| hasValley | Okertal in the Harz NERFINISHED ⓘ |
| isSubjectOf |
canoeing activities in the Harz region
ⓘ
regional flood protection projects ⓘ |
| locatedIn |
Harz
NERFINISHED
ⓘ
Lower Saxony ⓘ North German Plain NERFINISHED ⓘ state of Lower Saxony NERFINISHED ⓘ |
| mouthOf | Aller NERFINISHED ⓘ |
| nearbyCity |
Braunschweig
NERFINISHED
ⓘ
Wolfenbüttel NERFINISHED ⓘ |
| nearbyTown |
Altenau
NERFINISHED
ⓘ
Schladen NERFINISHED ⓘ Vienenburg NERFINISHED ⓘ |
| partOf | Weser river basin NERFINISHED ⓘ |
| passesThrough | Okertal gorge NERFINISHED ⓘ |
| region | Central Germany NERFINISHED ⓘ |
| riverSystem | Weser NERFINISHED ⓘ |
| sourceLocation | Harz Mountains NERFINISHED ⓘ |
| tributaryOf | Aller NERFINISHED ⓘ |
| usedFor |
flood control
ⓘ
hydropower ⓘ recreation ⓘ |
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 Oker Description of subject: The river Oker is a watercourse in Lower Saxony, Germany, that flows from the Harz Mountains through towns such as Altenau before joining the Aller River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.