Cameroon Line
E701467
The Cameroon Line is a chain of volcanic mountains and islands stretching from the Gulf of Guinea into mainland Central Africa, known for its active and dormant volcanoes such as Mount Cameroon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cameroon Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7874075 — 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: Cameroon Line Context triple: [Pagalu, archipelago, Cameroon Line]
-
A.
Transcameroon Railway
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
-
B.
Nacala Corridor
The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
-
C.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
D.
Maas Line
The Maas Line is a railway line in the Netherlands that runs along the River Meuse, connecting several towns and cities in the southeastern part of the country.
-
E.
Río de Oro
Río de Oro was a former Spanish colonial territory in northwest Africa that later became part of the disputed region of Western Sahara.
- 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: Cameroon Line Target entity description: The Cameroon Line is a chain of volcanic mountains and islands stretching from the Gulf of Guinea into mainland Central Africa, known for its active and dormant volcanoes such as Mount Cameroon.
-
A.
Transcameroon Railway
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
-
B.
Nacala Corridor
The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
-
C.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
D.
Maas Line
The Maas Line is a railway line in the Netherlands that runs along the River Meuse, connecting several towns and cities in the southeastern part of the country.
-
E.
Río de Oro
Río de Oro was a former Spanish colonial territory in northwest Africa that later became part of the disputed region of Western Sahara.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
intraplate volcanic province
ⓘ
volcanic lineament ⓘ |
| ageRange |
Cenozoic
ⓘ
Tertiary to Quaternary ⓘ |
| contains |
active volcanoes
ⓘ
dormant volcanoes ⓘ extinct volcanoes ⓘ |
| continentalSegmentName | Cameroon Volcanic Line NERFINISHED ⓘ |
| country |
Cameroon
ⓘ
Nigeria ⓘ |
| eruptionActivity | Mount Cameroon frequent historical eruptions ⓘ |
| extendsFrom | Gulf of Guinea NERFINISHED ⓘ |
| extendsTo | mainland Central Africa ⓘ |
| geologicalSetting | intraplate volcanic setting ⓘ |
| hasPart |
Annobón Island
NERFINISHED
ⓘ
Bamenda Highlands NERFINISHED ⓘ Bioko Island NERFINISHED ⓘ Biu Plateau NERFINISHED ⓘ Mandara Mountains NERFINISHED ⓘ Mount Bamboutos NERFINISHED ⓘ Mount Cameroon NERFINISHED ⓘ Mount Manengouba NERFINISHED ⓘ Oku Massif NERFINISHED ⓘ Príncipe Island NERFINISHED ⓘ São Tomé Island NERFINISHED ⓘ |
| highestPointElevation | Mount Cameroon 4095 m ⓘ |
| influences |
local climate patterns around Mount Cameroon
ⓘ
regional seismicity in Cameroon and Nigeria ⓘ soil fertility in adjacent regions ⓘ |
| lengthApprox | about 1600 km ⓘ |
| locatedIn |
Central Africa
NERFINISHED
ⓘ
Gulf of Guinea region NERFINISHED ⓘ |
| nearbyTectonicFeature |
Benue Trough
NERFINISHED
ⓘ
Central African Shear Zone NERFINISHED ⓘ |
| notablePeak | Mount Cameroon NERFINISHED ⓘ |
| oceanicSegmentName | Gulf of Guinea volcanic chain NERFINISHED ⓘ |
| orientation | southwest–northeast ⓘ |
| passesThrough |
Cameroon Volcanic Line onshore sector
NERFINISHED
ⓘ
oceanic islands of the Gulf of Guinea ⓘ |
| researchTopic |
intraplate magmatism
ⓘ
lithospheric control on volcanism ⓘ mantle plume hypothesis ⓘ |
| tectonicEnvironment | hotline ⓘ |
| volcanicRockType |
basalt
ⓘ
phonolite ⓘ rhyolite ⓘ trachyte ⓘ |
| volcanismType | alkaline volcanism ⓘ |
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: Cameroon Line Description of subject: The Cameroon Line is a chain of volcanic mountains and islands stretching from the Gulf of Guinea into mainland Central Africa, known for its active and dormant volcanoes such as Mount Cameroon.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.