Indian Ocean Ridge system
E71050
The Indian Ocean Ridge system is a vast mid-ocean ridge network in the Indian Ocean where tectonic plates diverge and new oceanic crust is formed.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Indian Ocean Ridge System | 1 |
| Indian Ocean Ridge system canonical | 1 |
| Indian Ocean Ridge systems | 1 |
| Indian Ocean Triple Junction | 1 |
| Indian Ocean ridge system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T555236 — 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: Indian Ocean Ridge system Context triple: [Southwest Indian Ridge, isSegmentOf, Indian Ocean Ridge system]
-
A.
Southeast Indian Ridge
The Southeast Indian Ridge is a major mid-ocean spreading center in the southern Indian Ocean that forms part of the global system of divergent tectonic plate boundaries.
-
B.
Southwest Indian Ridge
The Southwest Indian Ridge is a slow-spreading mid-ocean ridge in the southern Indian Ocean that forms part of the global system of divergent tectonic plate boundaries.
-
C.
South Atlantic mid-ocean ridge system
The South Atlantic mid-ocean ridge system is a major underwater mountain chain where tectonic plates diverge in the South Atlantic Ocean, creating new oceanic crust and hosting features such as the Bouvet Triple Junction.
-
D.
Pacific-Antarctic Ridge
The Pacific-Antarctic Ridge is a major mid-ocean spreading center in the Southern Ocean where the Pacific and Antarctic tectonic plates diverge, creating new oceanic crust.
-
E.
Central Indian Ridge
The Central Indian Ridge is a major mid-ocean ridge in the Indian Ocean where tectonic plates diverge, creating new oceanic crust and significant seafloor spreading.
- 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: Indian Ocean Ridge system Target entity description: The Indian Ocean Ridge system is a vast mid-ocean ridge network in the Indian Ocean where tectonic plates diverge and new oceanic crust is formed.
-
A.
Southeast Indian Ridge
The Southeast Indian Ridge is a major mid-ocean spreading center in the southern Indian Ocean that forms part of the global system of divergent tectonic plate boundaries.
-
B.
Southwest Indian Ridge
The Southwest Indian Ridge is a slow-spreading mid-ocean ridge in the southern Indian Ocean that forms part of the global system of divergent tectonic plate boundaries.
-
C.
South Atlantic mid-ocean ridge system
The South Atlantic mid-ocean ridge system is a major underwater mountain chain where tectonic plates diverge in the South Atlantic Ocean, creating new oceanic crust and hosting features such as the Bouvet Triple Junction.
-
D.
Pacific-Antarctic Ridge
The Pacific-Antarctic Ridge is a major mid-ocean spreading center in the Southern Ocean where the Pacific and Antarctic tectonic plates diverge, creating new oceanic crust.
-
E.
Central Indian Ridge
The Central Indian Ridge is a major mid-ocean ridge in the Indian Ocean where tectonic plates diverge, creating new oceanic crust and significant seafloor spreading.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
divergent plate boundary
ⓘ
mid-ocean ridge system ⓘ |
| ageOfCrustIncreases | away from ridge axis ⓘ |
| associatedWith |
magnetic seafloor striping
ⓘ
microplates in the Indian Ocean ⓘ ridge-hotspot interactions ⓘ |
| bathymetry | elevated relative to surrounding abyssal plains ⓘ |
| connectedTo |
Carlsberg Ridge
ⓘ
Gulf of Aden spreading center ⓘ Afro-Arabian Rift System ⓘ
surface form:
Red Sea spreading center
|
| discoveredBy | mid-20th century marine geophysical surveys ⓘ |
| dominantRockType |
gabbro
ⓘ
mid-ocean ridge basalt ⓘ peridotite in upper mantle ⓘ |
| evidenceFor | plate tectonics ⓘ |
| forms | new oceanic crust ⓘ |
| geologicalProcess | seafloor spreading ⓘ |
| hasFeature |
axial volcanic ridges
ⓘ
fracture zones ⓘ hydrothermal vent fields ⓘ rift valley ⓘ segmented ridge morphology ⓘ transform faults ⓘ |
| hasPart |
Central Indian Ridge
ⓘ
Southeast Indian Ridge ⓘ Southwest Indian Ridge ⓘ |
| hasSegment |
intermediate spreading sections
ⓘ
oblique-spreading sections ⓘ ultra-slow spreading sections ⓘ |
| heatFlow | high near ridge axis ⓘ |
| influences |
Indian Ocean circulation patterns
ⓘ
distribution of marine ecosystems ⓘ |
| locatedIn | Indian Ocean ⓘ |
| partOf | global mid-ocean ridge system ⓘ |
| researchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ |
| seafloorSpreadingRate | slow to intermediate ⓘ |
| separates |
African Plate
ⓘ
Antarctic Plate ⓘ India Plate ⓘ
surface form:
Indian Plate
Indo-Australian Plate ⓘ Somali Plate ⓘ |
| tectonicSetting | divergent boundary between tectonic plates ⓘ |
| terminatesNear |
Java Trench
ⓘ
Sumatra subduction zone ⓘ |
| volcanismType | basaltic ⓘ |
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: Indian Ocean Ridge system Description of subject: The Indian Ocean Ridge system is a vast mid-ocean ridge network in the Indian Ocean where tectonic plates diverge and new oceanic crust is formed.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Indian Ocean Triple Junction
this entity surface form:
Indian Ocean Ridge systems
this entity surface form:
Indian Ocean ridge system
this entity surface form:
Indian Ocean Ridge System