Mahajanga
E602161
Mahajanga is a major port city on Madagascar’s northwest coast, known for its strategic location on the Mozambique Channel and its role as a commercial and transport hub.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mahajanga canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T6569447 — 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: Mahajanga Context triple: [Betsiboka River, nearCity, Mahajanga]
-
A.
Songwe River
The Songwe River is a river in southeastern Africa that forms part of the border between Malawi and Tanzania before flowing into Lake Malawi.
-
B.
Tana River
The Tana River is Kenya's longest river, flowing from the central highlands to the Indian Ocean and serving as a vital source of water, hydroelectric power, and irrigation.
-
C.
Rufiji River
The Rufiji River is Tanzania’s largest river system, flowing through diverse habitats and supporting rich wildlife, particularly within the Selous Game Reserve, before emptying into the Indian Ocean.
-
D.
Da River
Da River is a major river in northern Vietnam and a key tributary of the Red River, known for its hydroelectric dams and scenic mountainous landscapes.
-
E.
Bua River
The Bua River is a major river in Malawi that drains part of the country’s central region before emptying into Lake Malawi.
- 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: Mahajanga Target entity description: Mahajanga is a major port city on Madagascar’s northwest coast, known for its strategic location on the Mozambique Channel and its role as a commercial and transport hub.
-
A.
Songwe River
The Songwe River is a river in southeastern Africa that forms part of the border between Malawi and Tanzania before flowing into Lake Malawi.
-
B.
Tana River
The Tana River is Kenya's longest river, flowing from the central highlands to the Indian Ocean and serving as a vital source of water, hydroelectric power, and irrigation.
-
C.
Rufiji River
The Rufiji River is Tanzania’s largest river system, flowing through diverse habitats and supporting rich wildlife, particularly within the Selous Game Reserve, before emptying into the Indian Ocean.
-
D.
Da River
Da River is a major river in northern Vietnam and a key tributary of the Red River, known for its hydroelectric dams and scenic mountainous landscapes.
-
E.
Bua River
The Bua River is a major river in Malawi that drains part of the country’s central region before emptying into Lake Malawi.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
commune urbaine ⓘ port city ⓘ |
| climate | tropical savanna climate ⓘ |
| climateClassification |
Aw (Köppen)
ⓘ
linked to:
Köppen Aw
|
| coastType | Indian Ocean coast ⓘ |
| country | Madagascar ⓘ |
| hasEconomicActivity |
commerce
ⓘ
fishing ⓘ port logistics ⓘ tourism ⓘ transport services ⓘ |
| hasFeature |
coastal promenade
ⓘ
natural harbor ⓘ port infrastructure ⓘ |
| hasFunction |
export port
ⓘ
import port ⓘ |
| hasPortType | seaport ⓘ |
| hasTransport |
regional airport
ⓘ
road connections to Antananarivo ⓘ seaport facilities ⓘ |
| historicalInfluence |
Arab traders
ⓘ
French colonial administration ⓘ Indian traders ⓘ |
| historicalRole | Indian Ocean trade port ⓘ |
| isPartOf | Mahajanga Province ⓘ |
| isRegionalCapitalOf |
Boeny Region
ⓘ
linked to:
Boeny region
|
| isUrbanCenterOf | northwestern Madagascar ⓘ |
| knownFor |
fishing industry
ⓘ
large baobab trees on the waterfront ⓘ nearby beaches ⓘ strategic location on the Mozambique Channel ⓘ trade and shipping activities ⓘ |
| languageUsed |
French
ⓘ
Malagasy ⓘ |
| locatedIn |
Boeny Region
ⓘ
linked to:
Boeny region
|
| locatedOn |
Mozambique Channel
ⓘ
northwest coast of Madagascar ⓘ |
| locatedOnRiver |
Betsiboka River estuary
ⓘ
linked to:
Betsiboka River
|
| role |
commercial hub
ⓘ
regional administrative center ⓘ transport hub ⓘ |
| servesAs | gateway to northwest Madagascar ⓘ |
| timeZone | East Africa Time ⓘ |
| utcOffset | +3 ⓘ |
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: Mahajanga Description of subject: Mahajanga is a major port city on Madagascar’s northwest coast, known for its strategic location on the Mozambique Channel and its role as a commercial and transport hub.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.