Olona
E78597
The Olona is a river in northern Italy that flows through the Lombardy region, including the city of Milan.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Olona canonical | 2 |
| Olona Valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T599625 — 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: Olona Context triple: [Milan, river, Olona]
-
A.
Loulé
Loulé is a historic market town and municipality in southern Portugal known for its traditional architecture, lively festivals, and role as a cultural and commercial center in the Algarve region.
-
B.
Lihou
Lihou is a small tidal island off the west coast of Guernsey in the Channel Islands, known for its rich wildlife, historic priory ruins, and causeway access at low tide.
-
C.
Saint-Tropez
Saint-Tropez is a coastal town on the French Riviera, famed as a glamorous Mediterranean resort and former artists’ haven.
-
D.
Melissant
Melissant is a small village in the Dutch province of South Holland, located on the island of Goeree-Overflakkee.
-
E.
Salé
Salé is a historic coastal city in northwestern Morocco, situated across the Bou Regreg River from the capital, Rabat.
- 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: Olona Target entity description: The Olona is a river in northern Italy that flows through the Lombardy region, including the city of Milan.
-
A.
Loulé
Loulé is a historic market town and municipality in southern Portugal known for its traditional architecture, lively festivals, and role as a cultural and commercial center in the Algarve region.
-
B.
Lihou
Lihou is a small tidal island off the west coast of Guernsey in the Channel Islands, known for its rich wildlife, historic priory ruins, and causeway access at low tide.
-
C.
Saint-Tropez
Saint-Tropez is a coastal town on the French Riviera, famed as a glamorous Mediterranean resort and former artists’ haven.
-
D.
Melissant
Melissant is a small village in the Dutch province of South Holland, located on the island of Goeree-Overflakkee.
-
E.
Salé
Salé is a historic coastal city in northwestern Morocco, situated across the Bou Regreg River from the capital, Rabat.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Italy ⓘ |
| country | Italy ⓘ |
| drainageBasin | Po River basin ⓘ |
| flowsDirection | generally southward ⓘ |
| flowsThrough |
Milan
ⓘ
Province of Milan ⓘ Province of Monza and Brianza ⓘ Province of Varese ⓘ |
| hasEnvironmentalIssue | water pollution ⓘ |
| hasPart |
Lower Olona
ⓘ
linked to:
Upper Olona
Upper Olona ⓘ |
| locatedIn |
Lombardy
ⓘ
Metropolitan City of Milan ⓘ Po Valley ⓘ northern Italy ⓘ
linked to:
Northern Italy
|
| mouthLocatedIn | Po basin ⓘ |
| nearbyCity |
Milan
ⓘ
Varese ⓘ |
| partOf | hydrographic network of Lombardy ⓘ |
| passesThrough |
Castellanza
ⓘ
Legnano ⓘ Rho ⓘ Rho-Pero area ⓘ |
| region | Lombardy ⓘ |
| tributaryOf |
Lambro Meridionale
ⓘ
linked to:
Lambro
|
| usedFor |
industrial water supply
ⓘ
irrigation ⓘ |
| watercourseType | perennial 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: Olona Description of subject: The Olona is a river in northern Italy that flows through the Lombardy region, including the city of Milan.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Olona