Río Magdalena
E671066
Río Magdalena is Colombia’s principal river, running northward from the Andes to the Caribbean Sea and serving as a vital artery for the country’s ecology, economy, and transportation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Río Magdalena canonical | 2 |
| río Magdalena | 2 |
| Caribbean Sea (indirectly via Magdalena River) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7381885 — 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: Río Magdalena Context triple: [Magdalena River, localName, Río Magdalena]
-
A.
Río Magdalena
Río Magdalena is a small river in Mexico City that flows through the borough of Magdalena Contreras and is notable as one of the last remaining free-flowing rivers in the capital.
-
B.
Bogotá River
The Bogotá River is a major waterway in central Colombia that flows through the Bogotá savanna and the capital city of Bogotá before joining the Magdalena River.
-
C.
Guaviare River
The Guaviare River is a significant river in Colombia that drains a large portion of the eastern plains and rainforest before joining the Orinoco River.
-
D.
Río Coco
Río Coco is a major river in Central America that forms part of the border between Nicaragua and Honduras and flows into the Caribbean Sea.
-
E.
Sogamoso River
The Sogamoso River is an important river in northern Colombia that drains part of the Andean region before joining the Magdalena River.
- 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: Río Magdalena Target entity description: Río Magdalena is Colombia’s principal river, running northward from the Andes to the Caribbean Sea and serving as a vital artery for the country’s ecology, economy, and transportation.
-
A.
Río Magdalena
Río Magdalena is a small river in Mexico City that flows through the borough of Magdalena Contreras and is notable as one of the last remaining free-flowing rivers in the capital.
-
B.
Bogotá River
The Bogotá River is a major waterway in central Colombia that flows through the Bogotá savanna and the capital city of Bogotá before joining the Magdalena River.
-
C.
Guaviare River
The Guaviare River is a significant river in Colombia that drains a large portion of the eastern plains and rainforest before joining the Orinoco River.
-
D.
Río Coco
Río Coco is a major river in Central America that forms part of the border between Nicaragua and Honduras and flows into the Caribbean Sea.
-
E.
Sogamoso River
The Sogamoso River is an important river in northern Colombia that drains part of the Andean region before joining the Magdalena River.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | Magdalena River NERFINISHED ⓘ |
| basinArea | over 250000 square kilometers ⓘ |
| basinCountry | Colombia NERFINISHED ⓘ |
| cityAtMouth | Barranquilla NERFINISHED ⓘ |
| country | Colombia ⓘ |
| deltaType | estuarine delta ⓘ |
| drainageBasin | Magdalena River Basin NERFINISHED ⓘ |
| ecologicalImportance |
contains wetlands and floodplain ecosystems
ⓘ
supports high biodiversity ⓘ |
| economicImportance |
important route for cargo shipping
ⓘ
major transportation corridor in Colombia ⓘ supports agriculture in its floodplains ⓘ supports fishing activities ⓘ |
| environmentalIssue |
deforestation in basin
ⓘ
habitat degradation ⓘ pollution from urban and industrial sources ⓘ sedimentation ⓘ |
| flowDirection | northward ⓘ |
| flowsInto | Caribbean Sea NERFINISHED ⓘ |
| hasBridge |
Puente de Boyacá region bridges
ⓘ
Pumarejo Bridge NERFINISHED ⓘ |
| historicalRole |
key route during Spanish colonial period
ⓘ
principal axis of Colombian colonization and trade ⓘ |
| length | approximately 1528 km ⓘ |
| locatedIn | South America ⓘ |
| locatedInDepartment |
Antioquia Department
NERFINISHED
ⓘ
Bolívar Department NERFINISHED ⓘ Cundinamarca Department NERFINISHED ⓘ Huila Department NERFINISHED ⓘ Magdalena Department NERFINISHED ⓘ Santander Department NERFINISHED ⓘ Tolima Department NERFINISHED ⓘ |
| majorPortCityAtMouth | Barranquilla NERFINISHED ⓘ |
| majorUse |
hydroelectric potential
ⓘ
irrigation source ⓘ river transport ⓘ |
| mouth | Caribbean Sea NERFINISHED ⓘ |
| namedAfter | Mary Magdalene NERFINISHED ⓘ |
| nameLanguage | Spanish ⓘ |
| navigableSection | significant stretches between interior and Caribbean coast ⓘ |
| passesNearCity | Bogotá NERFINISHED ⓘ |
| passesThroughCity |
Barrancabermeja
NERFINISHED
ⓘ
Girardot NERFINISHED ⓘ Honda NERFINISHED ⓘ La Dorada NERFINISHED ⓘ Magangué NERFINISHED ⓘ Neiva NERFINISHED ⓘ |
| sourceCountry | Colombia NERFINISHED ⓘ |
| sourceLocation | Colombian Andes NERFINISHED ⓘ |
| sourceMountainRange |
Cordillera Central
NERFINISHED
ⓘ
Cordillera Oriental NERFINISHED ⓘ |
| sourceRegion | Andes Mountains NERFINISHED ⓘ |
| tributary |
Río Bogotá
NERFINISHED
ⓘ
Río Carare NERFINISHED ⓘ Río Cauca NERFINISHED ⓘ Río Cesar NERFINISHED ⓘ Río Gualí NERFINISHED ⓘ Río La Miel NERFINISHED ⓘ Río Nechí NERFINISHED ⓘ Río Saldaña NERFINISHED ⓘ Río San Jorge NERFINISHED ⓘ Río Sogamoso NERFINISHED ⓘ |
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: Río Magdalena Description of subject: Río Magdalena is Colombia’s principal river, running northward from the Andes to the Caribbean Sea and serving as a vital artery for the country’s ecology, economy, and transportation.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
río Magdalena
this entity surface form:
río Magdalena
this entity surface form:
Caribbean Sea (indirectly via Magdalena River)