Virilla River
E332261
The Virilla River is a significant waterway in Costa Rica’s Central Valley that runs near the capital city of San José and contributes to the region’s drainage and landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Virilla River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1383870 — 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: Virilla River Context triple: [San José, locatedOnRiver, Virilla River]
-
A.
Walkill River
The Walkill River is a north-flowing river in New Jersey and New York that drains part of the Appalachian Valley before joining the Hudson River.
-
B.
Nyari River
The Nyari River is a regional river in the Indian state of Gujarat that flows through and helps sustain the city of Rajkot.
-
C.
Situk River
The Situk River is a renowned Alaskan river famous for its pristine waters and exceptional wild salmon and steelhead fishing.
-
D.
Yeso River
The Yeso River is a significant Andean watercourse in central Chile that feeds into the Maipo River and helps supply water to the Santiago metropolitan region.
-
E.
Merkys River
The Merkys River is a significant river in southern Lithuania and northeastern Belarus, known for its scenic valleys and role in regional ecosystems before joining the Neman.
- 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: Virilla River Target entity description: The Virilla River is a significant waterway in Costa Rica’s Central Valley that runs near the capital city of San José and contributes to the region’s drainage and landscape.
-
A.
Walkill River
The Walkill River is a north-flowing river in New Jersey and New York that drains part of the Appalachian Valley before joining the Hudson River.
-
B.
Nyari River
The Nyari River is a regional river in the Indian state of Gujarat that flows through and helps sustain the city of Rajkot.
-
C.
Situk River
The Situk River is a renowned Alaskan river famous for its pristine waters and exceptional wild salmon and steelhead fishing.
-
D.
Yeso River
The Yeso River is a significant Andean watercourse in central Chile that feeds into the Maipo River and helps supply water to the Santiago metropolitan region.
-
E.
Merkys River
The Merkys River is a significant river in southern Lithuania and northeastern Belarus, known for its scenic valleys and role in regional ecosystems before joining the Neman.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | North America ⓘ |
| country | Costa Rica ⓘ |
| crosses | canyons ⓘ |
| drainageBasin | Pacific Ocean ⓘ |
| drains |
Central Valley watershed system
ⓘ
surface form:
Central Valley watershed
|
| flowsNear | San José ⓘ |
| flowsThrough |
rural areas
ⓘ
urban areas ⓘ |
| forms | river gorge ⓘ |
| hasClimate | tropical climate zone ⓘ |
| hasEcosystemType | riparian ecosystem ⓘ |
| hasEnvironmentalIssue | water pollution ⓘ |
| hasRole | regional drainage system component ⓘ |
| hasSignificance |
regional geography
ⓘ
urban planning in Central Valley ⓘ |
| hasType | surface water body ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Central Valley
ⓘ
Costa Rican highlands ⓘ
surface form:
Costa Rican Central Highlands
San José Province ⓘ |
| near |
Alajuela Province
ⓘ
Heredia Province ⓘ |
| partOf | Tárcoles River basin ⓘ |
| passesNear | San José metropolitan area ⓘ |
| region |
Central Valley of Costa Rica
ⓘ
surface form:
Greater Metropolitan Area of Costa Rica
|
| shapes | Central Valley landscape ⓘ |
| tributaryOf | Tárcoles River ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation ⓘ |
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: Virilla River Description of subject: The Virilla River is a significant waterway in Costa Rica’s Central Valley that runs near the capital city of San José and contributes to the region’s drainage and landscape.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.