Keravanjoki
E1030983
Keravanjoki is a river in southern Finland that flows through the town of Kerava before joining the Vantaa River.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Vantaanjoki | 4 |
| Keravanjoki canonical | 3 |
| River Keravanjoki | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13218198 — 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: Keravanjoki Context triple: [Kerava, locatedOnRiver, Keravanjoki]
-
A.
Kuusjoki
Kuusjoki was a former municipality in Southwest Finland that later became part of the city of Salo.
-
B.
Karijoki
Karijoki is a small rural municipality in western Finland known for its agricultural landscape and quiet countryside.
-
C.
Ilmajoki
Ilmajoki is a rural municipality in Southern Ostrobothnia, western Finland, known for its agricultural landscape and strong local cultural traditions.
-
D.
Kyrönjoki
Kyrönjoki is a river in western Finland that flows through the Ostrobothnia region and is known for its agricultural landscapes and frequent flooding.
-
E.
Sanginjoki
Sanginjoki is a river in northern Finland that serves as one of the tributaries feeding into the larger Oulujoki watercourse.
- 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: Keravanjoki Target entity description: Keravanjoki is a river in southern Finland that flows through the town of Kerava before joining the Vantaa River.
-
A.
Kuusjoki
Kuusjoki was a former municipality in Southwest Finland that later became part of the city of Salo.
-
B.
Karijoki
Karijoki is a small rural municipality in western Finland known for its agricultural landscape and quiet countryside.
-
C.
Ilmajoki
Ilmajoki is a rural municipality in Southern Ostrobothnia, western Finland, known for its agricultural landscape and strong local cultural traditions.
-
D.
Kyrönjoki
Kyrönjoki is a river in western Finland that flows through the Ostrobothnia region and is known for its agricultural landscapes and frequent flooding.
-
E.
Sanginjoki
Sanginjoki is a river in northern Finland that serves as one of the tributaries feeding into the larger Oulujoki watercourse.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Finland ⓘ |
| belongsTo | Baltic Sea drainage basin ⓘ |
| country | Finland ⓘ |
| crossedBy |
railway bridges
ⓘ
road bridges ⓘ |
| flowsInto | Gulf of Finland via Vantaanjoki ⓘ |
| flowsThrough |
Kerava
ⓘ
Tuusula ⓘ Vantaa ⓘ |
| hasEnvironmentalIssue |
eutrophication risk
ⓘ
urban runoff pollution ⓘ |
| hasNameInLanguage | Keravanjoki (Finnish) ⓘ |
| hasWatershed | Vantaanjoki watershed ⓘ |
| locatedIn |
Helsinki metropolitan area
ⓘ
linked to:
Greater Helsinki
Southern Finland ⓘ Uusimaa ⓘ |
| locatedOnContinent | Europe ⓘ |
| mouthOfWaterBody |
Vantaanjoki
ⓘ
linked to:
Keravanjoki
|
| nearbySettlement |
Kerava town centre
ⓘ
linked to:
Kerava
Korso district of Vantaa ⓘ |
| partOf | Vantaanjoki river basin ⓘ |
| passesNear |
Helsinki
ⓘ
Vantaa ⓘ |
| region |
Uusimaa region
ⓘ
linked to:
Uusimaa
|
| tributaryOf |
Vantaanjoki
ⓘ
linked to:
Keravanjoki
|
| usedFor |
canoeing
ⓘ
fishing ⓘ recreation ⓘ |
| watercourseType | lowland river ⓘ |
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: Keravanjoki Description of subject: Keravanjoki is a river in southern Finland that flows through the town of Kerava before joining the Vantaa River.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keravanjoki
linked to: Keravanjoki
linked to: Keravanjoki
linked to: Keravanjoki
linked to: Keravanjoki