Shahrud River
E452910
The Shahrud River is a major river in northern Iran that serves as one of the principal headwaters of the Sefid-Rud, flowing through mountainous terrain before joining other streams on their way to the Caspian Sea.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Shahrud River canonical | 3 |
| Sefid River | 1 |
| Shahrood River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4499332 — 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: Shahrud River Context triple: [Sefid-Rud, formedByConfluenceOf, Shahrud River]
-
A.
Karkheh River
The Karkheh River is a major waterway in western Iran that flows through the Khuzestan plain and supports extensive agriculture and settlements before emptying into the Mesopotamian lowlands.
-
B.
Qom River
The Qom River is a significant river in central Iran that flows through the city of Qom and contributes to the region’s agriculture and water supply.
-
C.
Vakhsh River
The Vakhsh River is a major river in Central Asia that flows through Tajikistan, forming a key part of the Amu Darya basin and supporting extensive hydroelectric power generation and irrigation.
-
D.
Sefid-Rud
Sefid-Rud is a major river in northern Iran that flows through the Alborz Mountains and into the Caspian Sea, playing a key role in regional agriculture and hydropower.
-
E.
Hasbani River
The Hasbani River is a major tributary of the upper Jordan River, originating in Lebanon and flowing southward toward Israel.
- 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: Shahrud River Target entity description: The Shahrud River is a major river in northern Iran that serves as one of the principal headwaters of the Sefid-Rud, flowing through mountainous terrain before joining other streams on their way to the Caspian Sea.
-
A.
Karkheh River
The Karkheh River is a major waterway in western Iran that flows through the Khuzestan plain and supports extensive agriculture and settlements before emptying into the Mesopotamian lowlands.
-
B.
Qom River
The Qom River is a significant river in central Iran that flows through the city of Qom and contributes to the region’s agriculture and water supply.
-
C.
Vakhsh River
The Vakhsh River is a major river in Central Asia that flows through Tajikistan, forming a key part of the Amu Darya basin and supporting extensive hydroelectric power generation and irrigation.
-
D.
Sefid-Rud
Sefid-Rud is a major river in northern Iran that flows through the Alborz Mountains and into the Caspian Sea, playing a key role in regional agriculture and hydropower.
-
E.
Hasbani River
The Hasbani River is a major tributary of the upper Jordan River, originating in Lebanon and flowing southward toward Israel.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| connectedTo | Caspian Sea via Sefid-Rud ⓘ |
| continent | Asia ⓘ |
| country | Iran ⓘ |
| countrySubdivision |
Gilan Province
ⓘ
Mazandaran Province ⓘ |
| dischargesTo | Sefid-Rud ⓘ |
| drainageBasin |
Caspian Sea basin
ⓘ
linked to:
Caspian Sea drainage basin
|
| flowsInto | Sefid-Rud ⓘ |
| flowsThrough | mountain valleys ⓘ |
| flowsTowards | Caspian Sea ⓘ |
| hasHeadwaters |
Alborz Mountains
ⓘ
linked to:
Elburz Mountains
|
| hasUse |
irrigation
ⓘ
local water supply ⓘ |
| hydrologicalRole | principal headwater of the Sefid-Rud ⓘ |
| languageOfName | Persian ⓘ |
| locatedIn |
Alborz mountain range
ⓘ
linked to:
Elburz Mountains
northern Iran ⓘ |
| mouthOf | Sefid-Rud ⓘ |
| nameMeaning | “city river” in Persian (Shahr + Rud) ⓘ |
| naturalFeatureOf | Iran ⓘ |
| partOf |
Northern Iran river system
ⓘ
Sefid-Rud basin ⓘ
linked to:
Sefid-Rud
|
| region |
Alborz Mountains
ⓘ
linked to:
Elburz Mountains
|
| riverSystem |
Sefid-Rud river system
ⓘ
linked to:
Sefid-Rud
|
| terrain | mountainous ⓘ |
| watercourseType | perennial 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: Shahrud River Description of subject: The Shahrud River is a major river in northern Iran that serves as one of the principal headwaters of the Sefid-Rud, flowing through mountainous terrain before joining other streams on their way to the Caspian Sea.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Shahrud River
linked to: Shahrud River