Ceira River
E574992
The Ceira River is a river in central Portugal that flows through the Coimbra District before joining the Mondego River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ceira River canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T3608847 — 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: Ceira River Context triple: [Coimbra District, containsRiver, Ceira River]
-
A.
Tuirial River
The Tuirial River is a significant river in the northeastern Indian state of Mizoram, contributing to the region’s drainage, ecology, and local livelihoods.
-
B.
Virilla River
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.
-
C.
Crathis River
The Crathis River is an ancient river in southern Italy historically associated with the Greek colony of Sybaris in Magna Graecia.
-
D.
Setit River
The Setit River is a major river in the Horn of Africa that flows through Ethiopia and Eritrea as part of the Nile basin.
-
E.
Côa River
The Côa River is a river in northeastern Portugal known for the prehistoric rock art sites along its valley, part of a UNESCO World Heritage landscape.
- 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: Ceira River Target entity description: The Ceira River is a river in central Portugal that flows through the Coimbra District before joining the Mondego River.
-
A.
Tuirial River
The Tuirial River is a significant river in the northeastern Indian state of Mizoram, contributing to the region’s drainage, ecology, and local livelihoods.
-
B.
Virilla River
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.
-
C.
Crathis River
The Crathis River is an ancient river in southern Italy historically associated with the Greek colony of Sybaris in Magna Graecia.
-
D.
Setit River
The Setit River is a major river in the Horn of Africa that flows through Ethiopia and Eritrea as part of the Nile basin.
-
E.
Côa River
The Côa River is a river in northeastern Portugal known for the prehistoric rock art sites along its valley, part of a UNESCO World Heritage landscape.
- F. None of above. chosen
Statements (8)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Portugal ⓘ |
| continent | Europe ⓘ |
| country | Portugal ⓘ |
| locatedIn |
Coimbra District
ⓘ
central Portugal ⓘ |
| mouthOf | Mondego River ⓘ |
| tributaryOf | Mondego 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: Ceira River Description of subject: The Ceira River is a river in central Portugal that flows through the Coimbra District before joining the Mondego River.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.