Loíza River
E883258
The Loíza River is one of Puerto Rico’s major rivers, flowing through the island’s eastern region and playing a key role in local water supply, agriculture, and flood control.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Loíza River canonical | 3 |
| Loíza River basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9823463 — 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: Loíza River Context triple: [Caguas Valley, drainageBasinOf, Loíza River]
-
A.
Mocorito River
The Mocorito River is a waterway in the state of Sinaloa, Mexico, that supports local agriculture and communities along its course.
-
B.
Lozoya River
The Lozoya River is a mountain river in central Spain that flows through the Sierra de Guadarrama and supplies water to the Madrid region.
-
C.
San Benito River
The San Benito River is a central California waterway that drains the Diablo Range and agricultural valleys before joining the Pajaro River on its way to Monterey Bay.
-
D.
Malacatoya River
The Malacatoya River is a Nicaraguan river that drains part of the country’s central region and helps feed Lake Nicaragua, one of the largest freshwater lakes in the Americas.
-
E.
Vazuza River
The Vazuza River is a tributary of the Volga in western Russia, flowing through Smolensk and Tver oblasts and known for the Vazuza Reservoir and its role in regional water supply and recreation.
- 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: Loíza River Target entity description: The Loíza River is one of Puerto Rico’s major rivers, flowing through the island’s eastern region and playing a key role in local water supply, agriculture, and flood control.
-
A.
Mocorito River
The Mocorito River is a waterway in the state of Sinaloa, Mexico, that supports local agriculture and communities along its course.
-
B.
Lozoya River
The Lozoya River is a mountain river in central Spain that flows through the Sierra de Guadarrama and supplies water to the Madrid region.
-
C.
San Benito River
The San Benito River is a central California waterway that drains the Diablo Range and agricultural valleys before joining the Pajaro River on its way to Monterey Bay.
-
D.
Malacatoya River
The Malacatoya River is a Nicaraguan river that drains part of the country’s central region and helps feed Lake Nicaragua, one of the largest freshwater lakes in the Americas.
-
E.
Vazuza River
The Vazuza River is a tributary of the Volga in western Russia, flowing through Smolensk and Tver oblasts and known for the Vazuza Reservoir and its role in regional water supply and recreation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | Río Grande de Loíza NERFINISHED ⓘ |
| basinCountry | Puerto Rico NERFINISHED ⓘ |
| continent | North America ⓘ |
| country | Puerto Rico ⓘ |
| dischargesInto | Atlantic Ocean near Loíza ⓘ |
| drainageBasin | Loíza River basin ⓘ |
| flowsDirection | generally northward ⓘ |
| flowsThrough |
municipality of Caguas
NERFINISHED
ⓘ
municipality of Carolina ⓘ municipality of Gurabo ⓘ municipality of Loíza ⓘ municipality of Trujillo Alto NERFINISHED ⓘ |
| hasDam | Carraízo Dam NERFINISHED ⓘ |
| hasEnvironmentalConcern |
flooding risk
ⓘ
sedimentation in reservoir ⓘ |
| hasReservoir | Carraízo Reservoir NERFINISHED ⓘ |
| hasTributary |
Bairoa River
NERFINISHED
ⓘ
Cagüitas River NERFINISHED ⓘ Grande de Loíza River tributary network ⓘ Gurabo River NERFINISHED ⓘ |
| hasWatershedArea | one of the largest in Puerto Rico ⓘ |
| importance | one of the largest river basins in Puerto Rico ⓘ |
| languageOfName | Spanish ⓘ |
| length |
approximately 40 miles
ⓘ
approximately 65 kilometers ⓘ |
| locatedIn |
Caribbean Sea region
NERFINISHED
ⓘ
eastern Puerto Rico ⓘ |
| locatedOn | island of Puerto Rico ⓘ |
| majorRiverOf | Puerto Rico NERFINISHED ⓘ |
| mouthLocatedIn |
Atlantic Ocean
NERFINISHED
ⓘ
north coast of Puerto Rico ⓘ |
| namedAfter | municipality of Loíza ⓘ |
| partOf | hydrological system of Puerto Rico ⓘ |
| providesWaterTo | San Juan metropolitan area NERFINISHED ⓘ |
| region | Caribbean ⓘ |
| role |
key component of flood management infrastructure
ⓘ
key source of potable water ⓘ supports surrounding agricultural lands ⓘ |
| sourceLocatedIn | central-eastern Puerto Rico ⓘ |
| subjectOf |
Puerto Rican environmental studies
ⓘ
Puerto Rican literature ⓘ |
| usedFor |
agriculture
ⓘ
flood control ⓘ irrigation ⓘ water supply ⓘ |
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: Loíza River Description of subject: The Loíza River is one of Puerto Rico’s major rivers, flowing through the island’s eastern region and playing a key role in local water supply, agriculture, and flood control.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Loíza River basin