Ombrone River
E672247
The Ombrone River is a major watercourse in southern Tuscany, Italy, flowing through the Maremma region before emptying into the Tyrrhenian Sea.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ombrone River canonical | 4 |
| Ombrone | 2 |
| Fiume Orcia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7544814 — 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: Ombrone River Context triple: [Grosseto, locatedOnRiver, Ombrone River]
-
A.
Bacchiglione River
The Bacchiglione River is a watercourse in northeastern Italy that flows through the Veneto region, including the city of Padua, before joining the Brenta River.
-
B.
Cottica River
The Cottica River is a river in eastern Suriname that flows through the traditional territory of the Ndyuka Maroon people and serves as an important route for their settlements and economic activities.
-
C.
Laveggio River
The Laveggio River is a small Swiss watercourse in the canton of Ticino that drains local valleys before emptying into Lake Lugano.
-
D.
Secchia River
The Secchia River is a significant watercourse in northern Italy that flows through the Emilia-Romagna region before joining the Po River.
-
E.
Parma River
The Parma River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the city of Parma before joining the Po River.
- 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: Ombrone River Target entity description: The Ombrone River is a major watercourse in southern Tuscany, Italy, flowing through the Maremma region before emptying into the Tyrrhenian Sea.
-
A.
Bacchiglione River
The Bacchiglione River is a watercourse in northeastern Italy that flows through the Veneto region, including the city of Padua, before joining the Brenta River.
-
B.
Cottica River
The Cottica River is a river in eastern Suriname that flows through the traditional territory of the Ndyuka Maroon people and serves as an important route for their settlements and economic activities.
-
C.
Laveggio River
The Laveggio River is a small Swiss watercourse in the canton of Ticino that drains local valleys before emptying into Lake Lugano.
-
D.
Secchia River
The Secchia River is a significant watercourse in northern Italy that flows through the Emilia-Romagna region before joining the Po River.
-
E.
Parma River
The Parma River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the city of Parma before joining the Po River.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country | Italy ⓘ |
| dischargesInto | Tyrrhenian Sea ⓘ |
| emptiesInto | Tyrrhenian Sea ⓘ |
| flowsInDirection |
southwest
ⓘ
west ⓘ |
| flowsThrough |
Maremma
ⓘ
linked to:
Maremma region
|
| hasMouthIn | Province of Grosseto ⓘ |
| hasNameInItalian |
Ombrone
ⓘ
linked to:
Ombrone River
|
| hasSourceIn |
Tuscany
ⓘ
central Italy ⓘ |
| isLocatedNear |
Maremma Regional Park
ⓘ
linked to:
Parco Naturale della Maremma
|
| isMajorWatercourseOf | southern Tuscany ⓘ |
| isPartOf | hydrography of Tuscany ⓘ |
| languageOfName | Italian ⓘ |
| locatedIn |
Province of Grosseto
ⓘ
Province of Siena ⓘ Tuscany ⓘ central Italy ⓘ southern Tuscany ⓘ |
| locatedOnContinent | Europe ⓘ |
| mouth | Tyrrhenian Sea ⓘ |
| partOf | drainage basin of the Tyrrhenian Sea ⓘ |
| region |
Maremma
ⓘ
linked to:
Maremma region
|
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: Ombrone River Description of subject: The Ombrone River is a major watercourse in southern Tuscany, Italy, flowing through the Maremma region before emptying into the Tyrrhenian Sea.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ombrone River
linked to: Ombrone River
linked to: Ombrone River