Lower Zab
E377065
Lower Zab is a major river in the Middle East that flows through Iran and Iraq as a tributary of the Tigris River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lower Zab canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3646298 — 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: Lower Zab Context triple: [Lesser Zab, hasAlternateName, Lower Zab]
-
A.
Greater Zab
The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
-
B.
Bzura River
The Bzura River is a waterway in central Poland that gained historical significance as the site of a major World War II battle between Polish and German forces in 1939.
-
C.
Olza River
The Olza River is a Central European river that flows through the historical region of Cieszyn Silesia, forming part of the border between Poland and the Czech Republic.
-
D.
Ruza River
The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
-
E.
Min River
The Min River is a significant river in southwestern China that flows through Sichuan Province and plays a key role in the region’s ecology, agriculture, and water resources.
- 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: Lower Zab Target entity description: Lower Zab is a major river in the Middle East that flows through Iran and Iraq as a tributary of the Tigris River.
-
A.
Greater Zab
The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
-
B.
Bzura River
The Bzura River is a waterway in central Poland that gained historical significance as the site of a major World War II battle between Polish and German forces in 1939.
-
C.
Olza River
The Olza River is a Central European river that flows through the historical region of Cieszyn Silesia, forming part of the border between Poland and the Czech Republic.
-
D.
Ruza River
The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
-
E.
Min River
The Min River is a significant river in southwestern China that flows through Sichuan Province and plays a key role in the region’s ecology, agriculture, and water resources.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
Iran
ⓘ
Iraq ⓘ |
| borderRegion |
Iran–Iraq border area
ⓘ
linked to:
Iran–Iraq border region
|
| continent | Asia ⓘ |
| country |
Iran
ⓘ
Iraq ⓘ |
| dischargesInto |
Tigris River
ⓘ
linked to:
Tigris
|
| drainageBasin | Zagros Mountains ⓘ |
| environmentalIssue |
flow regulation by dams
ⓘ
seasonal flooding ⓘ water pollution risk ⓘ |
| flowsThrough |
Iran
ⓘ
Iraq ⓘ |
| hasDam |
Bakhma Dam (planned/partially built)
ⓘ
Dukan Dam ⓘ |
| hasNameInLanguage |
Arabic
ⓘ
Kurdish ⓘ Persian ⓘ
linked to:
Persian language
|
| hasTributary | Smaller mountain streams in Zagros ⓘ |
| hydrologicalRole | major tributary increasing Tigris discharge ⓘ |
| languageRegion |
Arabic-speaking areas
ⓘ
Kurdish-speaking areas ⓘ |
| locatedIn |
Northern Iraq
ⓘ
linked to:
northern Iraq
Western Iran ⓘ
linked to:
western Iran
Zagros Mountains region ⓘ
linked to:
Zagros Mountains
|
| mouth |
Tigris River
ⓘ
linked to:
Tigris
|
| mouthCountry | Iraq ⓘ |
| partOf |
Iran river network
ⓘ
Iraq river network ⓘ
linked to:
Tigris–Euphrates river system
Middle East ⓘ Tigris–Euphrates river system ⓘ |
| passesNear |
Erbil Governorate
ⓘ
linked to:
Erbil
Kirkuk Governorate ⓘ
linked to:
Kirkuk
Sulaymaniyah Governorate ⓘ
linked to:
Sulaymaniyah
|
| region |
Kurdistan region
ⓘ
linked to:
Kurdistan
|
| tributaryOf |
Tigris River
ⓘ
linked to:
Tigris
|
| tributaryType | left tributary of the Tigris ⓘ |
| usedFor |
drinking water supply
ⓘ
hydroelectric power ⓘ irrigation ⓘ |
| watercourse |
Tigris–Euphrates basin
ⓘ
linked to:
Tigris–Euphrates river system
|
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: Lower Zab Description of subject: Lower Zab is a major river in the Middle East that flows through Iran and Iraq as a tributary of the Tigris River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.