Toce River
E1045859
The Toce River is a river in the Piedmont region of northern Italy that flows through the Ossola Valley before joining Lake Maggiore.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Toce River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13514250 — 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: Toce River Context triple: [Domodossola, locatedOnRiver, Toce River]
-
A.
Tidone River
The Tidone River is a watercourse in northern Italy that flows through the Emilia-Romagna region, passing near the city of Piacenza before joining the Po River.
-
B.
Laveggio River
The Laveggio River is a small Swiss watercourse in the canton of Ticino that drains local valleys before emptying into Lake Lugano.
-
C.
Montone River
The Montone River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the city of Forlì before joining other rivers on its way to the Adriatic Sea.
-
D.
Cuccio River
The Cuccio River is a mountain stream in the Lombardy region of northern Italy that flows through the Val Cavargna before emptying into Lake Lugano.
-
E.
Tavignano River
The Tavignano River is a major river in central Corsica, France, known for flowing through mountainous landscapes and past the town of Corte before reaching the Tyrrhenian Sea.
- 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: Toce River Target entity description: The Toce River is a river in the Piedmont region of northern Italy that flows through the Ossola Valley before joining Lake Maggiore.
-
A.
Tidone River
The Tidone River is a watercourse in northern Italy that flows through the Emilia-Romagna region, passing near the city of Piacenza before joining the Po River.
-
B.
Laveggio River
The Laveggio River is a small Swiss watercourse in the canton of Ticino that drains local valleys before emptying into Lake Lugano.
-
C.
Montone River
The Montone River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the city of Forlì before joining other rivers on its way to the Adriatic Sea.
-
D.
Cuccio River
The Cuccio River is a mountain stream in the Lombardy region of northern Italy that flows through the Val Cavargna before emptying into Lake Lugano.
-
E.
Tavignano River
The Tavignano River is a major river in central Corsica, France, known for flowing through mountainous landscapes and past the town of Corte before reaching the Tyrrhenian Sea.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | La Toce NERFINISHED ⓘ |
| basinSize | 1890 square kilometres ⓘ |
| belongsTo | Italian river network ⓘ |
| country | Italy ⓘ |
| drainageBasin | Po basin ⓘ |
| emptiesInto | Lake Maggiore NERFINISHED ⓘ |
| flowsNear | Swiss border ⓘ |
| flowsThrough |
Domodossola
NERFINISHED
ⓘ
Formazza NERFINISHED ⓘ Gravellona Toce NERFINISHED ⓘ Ornavasso NERFINISHED ⓘ Ossola Valley NERFINISHED ⓘ Val Formazza NERFINISHED ⓘ Val d’Ossola NERFINISHED ⓘ Verbania NERFINISHED ⓘ Villadossola NERFINISHED ⓘ |
| hasRecreationalUse |
kayaking
ⓘ
rafting ⓘ |
| hasTributary |
Anza
NERFINISHED
ⓘ
Bogna NERFINISHED ⓘ Diveria NERFINISHED ⓘ Melezzo Occidentale NERFINISHED ⓘ Ovesca NERFINISHED ⓘ San Bernardino NERFINISHED ⓘ Strona di Omegna NERFINISHED ⓘ |
| hasWaterfall | Cascata del Toce NERFINISHED ⓘ |
| length | 83 kilometres ⓘ |
| locatedIn |
Piedmont
ⓘ
northern Italy NERFINISHED ⓘ |
| locatedInMountainRange | Alps NERFINISHED ⓘ |
| majorCityNearMouth | Verbania NERFINISHED ⓘ |
| mouthCoordinates | approximately 45.93°N 8.53°E ⓘ |
| mouthCountry | Italy NERFINISHED ⓘ |
| mouthElevation | 193 metres ⓘ |
| mouthLocation | Lake Maggiore NERFINISHED ⓘ |
| notableFeature | Cascata del Toce NERFINISHED ⓘ |
| partOf | Po river basin NERFINISHED ⓘ |
| region | Ossola NERFINISHED ⓘ |
| sourceCoordinates | approximately 46.42°N 8.40°E ⓘ |
| sourceCountry | Italy NERFINISHED ⓘ |
| sourceLocation |
Formazza
NERFINISHED
ⓘ
Lago di Morasco NERFINISHED ⓘ |
| sourceRegion | Piedmont NERFINISHED ⓘ |
| tributaryOf | Lake Maggiore NERFINISHED ⓘ |
| usedFor | hydroelectric power generation ⓘ |
| watercourseThrough |
Province of Novara
NERFINISHED
ⓘ
Province of Verbano-Cusio-Ossola NERFINISHED ⓘ |
| waterfallHeight | 143 metres ⓘ |
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: Toce River Description of subject: The Toce River is a river in the Piedmont region of northern Italy that flows through the Ossola Valley before joining Lake Maggiore.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.