Machhu River
E644947
The Machhu River is a river in the Indian state of Gujarat, historically known for the catastrophic 1979 dam failure and floods near the town of Morbi.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Machhu River canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T5511403 — 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: Machhu River Context triple: [Morbi, locatedOnRiver, Machhu River]
-
A.
Hunza River
The Hunza River is a major glacial-fed river in northern Pakistan that flows through the mountainous Hunza Valley of Gilgit-Baltistan, contributing to the region’s dramatic landscapes and irrigation.
-
B.
Rispana River
Rispana River is a small but significant seasonal river flowing through Dehradun in Uttarakhand, India, that plays an important role in the city’s drainage and local ecology.
-
C.
Ichu River
The Ichu River is a waterway in the central highlands of Peru that flows through the Huancavelica region, contributing to its Andean landscape and local ecosystems.
-
D.
Kushawati River
The Kushawati River is a smaller river in the Indian state of Goa that flows through forested and agricultural regions before joining the larger Zuari River system.
-
E.
Tambre River
The Tambre River is a significant waterway in Galicia, northwestern Spain, known for flowing through rural landscapes before emptying into the Atlantic Ocean near the city of A Coruña.
- 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: Machhu River Target entity description: The Machhu River is a river in the Indian state of Gujarat, historically known for the catastrophic 1979 dam failure and floods near the town of Morbi.
-
A.
Hunza River
The Hunza River is a major glacial-fed river in northern Pakistan that flows through the mountainous Hunza Valley of Gilgit-Baltistan, contributing to the region’s dramatic landscapes and irrigation.
-
B.
Rispana River
Rispana River is a small but significant seasonal river flowing through Dehradun in Uttarakhand, India, that plays an important role in the city’s drainage and local ecology.
-
C.
Ichu River
The Ichu River is a waterway in the central highlands of Peru that flows through the Huancavelica region, contributing to its Andean landscape and local ecosystems.
-
D.
Kushawati River
The Kushawati River is a smaller river in the Indian state of Goa that flows through forested and agricultural regions before joining the larger Zuari River system.
-
E.
Tambre River
The Tambre River is a significant waterway in Galicia, northwestern Spain, known for flowing through rural landscapes before emptying into the Atlantic Ocean near the city of A Coruña.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWithTown | Morbi ⓘ |
| basinCountry | India ⓘ |
| country | India ⓘ |
| countrySubdivision |
Saurashtra region
ⓘ
linked to:
Saurashtra region of Gujarat
|
| disasterTypeAssociated |
dam failure
ⓘ
flood ⓘ |
| flowsInDirection | generally westward ⓘ |
| flowsThrough | Morbi ⓘ |
| hasDam |
Machhu Dam I
ⓘ
linked to:
Machhu Dam
Machhu Dam II ⓘ
linked to:
Machhu Dam
|
| hasInfrastructure | Morbi dams ⓘ |
| historicalSignificance | site of one of India’s deadliest dam failures ⓘ |
| impactAreaOf1979Floods |
Morbi
ⓘ
downstream settlements along Machhu River ⓘ |
| knownFor |
1979 Machhu dam failure
ⓘ
catastrophic floods near Morbi in 1979 ⓘ |
| locatedIn |
Gujarat
ⓘ
Morbi district ⓘ |
| mouthLocatedIn | Gujarat ⓘ |
| notableEvent |
Machhu Dam failure of 1979
ⓘ
linked to:
Machhu Dam
|
| partOf |
rivers of Gujarat
ⓘ
rivers of India ⓘ |
| region | western India ⓘ |
| state | Gujarat ⓘ |
| tributaryOf | Arabian Sea ⓘ |
| usedFor |
irrigation
ⓘ
water supply ⓘ |
| yearOfMajorDisaster | 1979 ⓘ |
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: Machhu River Description of subject: The Machhu River is a river in the Indian state of Gujarat, historically known for the catastrophic 1979 dam failure and floods near the town of Morbi.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.