Razdan (Hrazdan) River
E524509
The Razdan (Hrazdan) River is a major river in central Armenia that flows through the capital Yerevan and is heavily used for hydroelectric power and irrigation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Razdan (Hrazdan) River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5446023 — 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: Razdan (Hrazdan) River Context triple: [Aras River, hasMajorTributary, Razdan (Hrazdan) River]
-
A.
Nakhchivanchay River
The Nakhchivanchay River is a significant watercourse in the Nakhchivan Autonomous Republic of Azerbaijan that drains into the Aras River and supports local agriculture and settlements.
-
B.
Akhuryan River
The Akhuryan River is a significant transboundary river in the South Caucasus that flows along part of the border between Armenia and Turkey before joining the Aras River.
-
C.
Ararat River
The Ararat River is a tributary waterway in the southeastern United States that feeds into the Yadkin River system.
-
D.
Zeravshan River
The Zeravshan River is a major Central Asian waterway flowing through Tajikistan and Uzbekistan, historically vital for irrigation and the development of cities along the Silk Road.
-
E.
Enguri River
The Enguri River is a major river in western Georgia that flows from the Caucasus Mountains to the Black Sea and is notable for the Enguri Dam, one of the tallest arch dams in the world.
- 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: Razdan (Hrazdan) River Target entity description: The Razdan (Hrazdan) River is a major river in central Armenia that flows through the capital Yerevan and is heavily used for hydroelectric power and irrigation.
-
A.
Nakhchivanchay River
The Nakhchivanchay River is a significant watercourse in the Nakhchivan Autonomous Republic of Azerbaijan that drains into the Aras River and supports local agriculture and settlements.
-
B.
Akhuryan River
The Akhuryan River is a significant transboundary river in the South Caucasus that flows along part of the border between Armenia and Turkey before joining the Aras River.
-
C.
Ararat River
The Ararat River is a tributary waterway in the southeastern United States that feeds into the Yadkin River system.
-
D.
Zeravshan River
The Zeravshan River is a major Central Asian waterway flowing through Tajikistan and Uzbekistan, historically vital for irrigation and the development of cities along the Silk Road.
-
E.
Enguri River
The Enguri River is a major river in western Georgia that flows from the Caucasus Mountains to the Black Sea and is notable for the Enguri Dam, one of the tallest arch dams in the world.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| alternativeName | Hrazdan River NERFINISHED ⓘ |
| alternativeTransliteration |
Hrazdan
NERFINISHED
ⓘ
Razdan NERFINISHED ⓘ |
| ArmenianName | Հրազդան NERFINISHED ⓘ |
| basinArea | about 2560 km² ⓘ |
| basinCountry | Armenia NERFINISHED ⓘ |
| country | Armenia NERFINISHED ⓘ |
| environmentalIssue |
reduced flow due to water withdrawals
ⓘ
water pollution in Yerevan section ⓘ |
| flowsInto | Aras River near Turkey border ⓘ |
| flowsThrough |
Ararat Plain
NERFINISHED
ⓘ
Armavir Province NERFINISHED ⓘ Kotayk Province NERFINISHED ⓘ Yerevan NERFINISHED ⓘ |
| flowsThroughFeature |
Hrazdan Gorge
NERFINISHED
ⓘ
Yerevan Botanical Garden area NERFINISHED ⓘ |
| hasBridge |
Davtashen Bridge
NERFINISHED
ⓘ
Great Bridge of Hrazdan NERFINISHED ⓘ Hrazdan Gorge Bridge NERFINISHED ⓘ Victory Bridge (Yerevan) NERFINISHED ⓘ |
| hasHydroelectricPlant |
Aghstev-Hrazdan diversion structures
NERFINISHED
ⓘ
Argel Hydroelectric Power Station NERFINISHED ⓘ Arzni Hydroelectric Power Station NERFINISHED ⓘ Hrazdan Hydroelectric Power Station NERFINISHED ⓘ Kanaker Hydroelectric Power Station NERFINISHED ⓘ Sevan–Hrazdan Cascade NERFINISHED ⓘ Yerevan-1 Hydroelectric Power Station NERFINISHED ⓘ Yerevan-3 Hydroelectric Power Station NERFINISHED ⓘ |
| importance | major river of Armenia ⓘ |
| languageOfName | Armenian ⓘ |
| length | about 141 km ⓘ |
| locatedIn | central Armenia ⓘ |
| mouth | Aras River NERFINISHED ⓘ |
| partOf | Kura River basin NERFINISHED ⓘ |
| passesNear |
Ajapnyak District of Yerevan
NERFINISHED
ⓘ
Arabkir District of Yerevan NERFINISHED ⓘ Charentsavan NERFINISHED ⓘ Erebuni District of Yerevan NERFINISHED ⓘ Hrazdan city NERFINISHED ⓘ Nor Hachn NERFINISHED ⓘ |
| region | Transcaucasia NERFINISHED ⓘ |
| source | Lake Sevan NERFINISHED ⓘ |
| sourceLocation | Lake Sevan outlet ⓘ |
| tributaryOf | Aras River NERFINISHED ⓘ |
| usedFor |
cooling water for thermal power plants
ⓘ
hydroelectric power generation ⓘ industrial water supply ⓘ irrigation ⓘ municipal water supply ⓘ |
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: Razdan (Hrazdan) River Description of subject: The Razdan (Hrazdan) River is a major river in central Armenia that flows through the capital Yerevan and is heavily used for hydroelectric power and irrigation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.