Greater Zab
E68122
The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Greater Zab canonical | 9 |
| Greater Zab River | 2 |
| Great Zab River | 1 |
| Greater Zab basin | 1 |
| Greater Zab–Tigris river system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T544179 — 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: Greater Zab Context triple: [Tigris, hasMajorTributary, Greater Zab]
-
A.
Tigris
The Tigris is a major river in Western Asia that, together with the Euphrates, forms the historical Mesopotamian heartland and flows through modern-day Turkey, Syria, and Iraq.
-
B.
Gediz River
The Gediz River is a major river in western Turkey that flows into the Aegean Sea near the city of Izmir.
-
C.
Euphrates
The Euphrates is one of Western Asia’s longest and most historically significant rivers, flowing through modern-day Turkey, Syria, and Iraq and forming part of the cradle of ancient Mesopotamian civilization.
-
D.
Sacandaga River
The Sacandaga River is a major river in upstate New York that drains the southern Adirondacks and flows into the Hudson River, historically important for logging, power generation, and recreation.
-
E.
Syr Darya
Syr Darya is a major river in Central Asia that flows through countries such as Kyrgyzstan, Uzbekistan, and Kazakhstan before emptying into the remnants of the Aral Sea.
- 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: Greater Zab Target entity description: The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
-
A.
Tigris
The Tigris is a major river in Western Asia that, together with the Euphrates, forms the historical Mesopotamian heartland and flows through modern-day Turkey, Syria, and Iraq.
-
B.
Gediz River
The Gediz River is a major river in western Turkey that flows into the Aegean Sea near the city of Izmir.
-
C.
Euphrates
The Euphrates is one of Western Asia’s longest and most historically significant rivers, flowing through modern-day Turkey, Syria, and Iraq and forming part of the cradle of ancient Mesopotamian civilization.
-
D.
Sacandaga River
The Sacandaga River is a major river in upstate New York that drains the southern Adirondacks and flows into the Hudson River, historically important for logging, power generation, and recreation.
-
E.
Syr Darya
Syr Darya is a major river in Central Asia that flows through countries such as Kyrgyzstan, Uzbekistan, and Kazakhstan before emptying into the remnants of the Aral Sea.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
transboundary river ⓘ |
| basinCountry |
Iraq
ⓘ
Turkey ⓘ |
| confluenceNear | Mosul ⓘ |
| continent | Asia ⓘ |
| country |
Iraq
ⓘ
Turkey ⓘ |
| countrySubdivision |
Duhok
ⓘ
surface form:
Duhok Governorate
Erbil ⓘ
surface form:
Erbil Governorate
Hakkari region ⓘ
surface form:
Hakkâri Province
Nineveh Governorate ⓘ Şırnak ⓘ
surface form:
Şırnak Province
|
| crossesBorderBetween | Turkey and Iraq ⓘ |
| drainageBasinFeature |
snowmelt-fed tributaries
ⓘ
steep mountain valleys ⓘ |
| environmentalIssue |
deforestation in upper basin
ⓘ
habitat fragmentation from dams ⓘ water quality degradation ⓘ |
| flowsThrough |
Kurdistan
ⓘ
surface form:
Iraqi Kurdistan
Southeastern Anatolia Region ⓘ
surface form:
Turkish Kurdistan
|
| hasPart | Lesser Zab–Greater Zab interfluve (region between rivers) ⓘ |
| hasSeason |
high flow in spring
ⓘ
low flow in late summer ⓘ |
| hasTributary |
Haji Beg River
ⓘ
Rawanduz River ⓘ Shin River ⓘ |
| historicalRegion |
Assyria
ⓘ
Mesopotamia ⓘ |
| knownFor |
high water volume relative to its length
ⓘ
seasonal flooding ⓘ |
| languageRegion |
Arabic-speaking areas
ⓘ
Kurdish-speaking areas ⓘ |
| locatedInDrainageBasin | Persian Gulf drainage basin ⓘ |
| mouth | Tigris ⓘ |
| mouthCountry | Iraq ⓘ |
| nearbyCity |
Amedi
ⓘ
Erbil ⓘ Duhok ⓘ
surface form:
Zakho
|
| partOf |
Tigris
ⓘ
surface form:
Tigris basin
Zagros mountain river systems ⓘ |
| region | Middle East ⓘ |
| riverSystem | Tigris–Euphrates river system ⓘ |
| sourceCountry | Turkey ⓘ |
| sourceMountainRange | Zagros Mountains ⓘ |
| sourceRegion | Anatolia ⓘ |
| tributaryOf | Tigris ⓘ |
| usedFor |
hydroelectric power
ⓘ
irrigation ⓘ |
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: Greater Zab Description of subject: The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Northern Iraq
this entity surface form:
Great Zab River
subject surface form:
Lesser Zab–Greater Zab interfluve
this entity surface form:
Greater Zab River
subject surface form:
Lesser Zab–Greater Zab interfluve
this entity surface form:
Greater Zab River
this entity surface form:
Greater Zab basin
this entity surface form:
Greater Zab–Tigris river system