Barca d'Alva
E1002945
Barca d'Alva is a small Portuguese riverside village near the Spanish border, known as a former key railway and river transport hub in the Douro Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Barca d'Alva canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12771686 — 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: Barca d'Alva Context triple: [Linha do Douro, historicalTerminus, Barca d'Alva]
-
A.
L’Escala
L’Escala is a coastal town in northeastern Catalonia, Spain, known for its beaches, fishing heritage, and famous anchovy production.
-
B.
S’Algar
S’Algar is a small coastal resort area on the southeastern coast of Menorca, Spain, known for its rocky shoreline, clear waters, and holiday accommodations.
-
C.
Capalonga
Capalonga is a coastal municipality in the Philippine province of Camarines Norte known for its fishing communities, natural attractions, and religious pilgrimage sites.
-
D.
Gironella
Gironella is a small municipality in Catalonia, Spain, known for its historic textile industry and location along the Llobregat River.
-
E.
Tossa de Mar
Tossa de Mar is a picturesque coastal town on Spain’s Costa Brava, known for its medieval walled old town, sandy beaches, and historic role as a scenic backdrop in classic cinema.
- 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: Barca d'Alva Target entity description: Barca d'Alva is a small Portuguese riverside village near the Spanish border, known as a former key railway and river transport hub in the Douro Valley.
-
A.
L’Escala
L’Escala is a coastal town in northeastern Catalonia, Spain, known for its beaches, fishing heritage, and famous anchovy production.
-
B.
S’Algar
S’Algar is a small coastal resort area on the southeastern coast of Menorca, Spain, known for its rocky shoreline, clear waters, and holiday accommodations.
-
C.
Capalonga
Capalonga is a coastal municipality in the Philippine province of Camarines Norte known for its fishing communities, natural attractions, and religious pilgrimage sites.
-
D.
Gironella
Gironella is a small municipality in Catalonia, Spain, known for its historic textile industry and location along the Llobregat River.
-
E.
Tossa de Mar
Tossa de Mar is a picturesque coastal town on Spain’s Costa Brava, known for its medieval walled old town, sandy beaches, and historic role as a scenic backdrop in classic cinema.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
human settlement
ⓘ
village ⓘ |
| accessRoute | EN221 road NERFINISHED ⓘ |
| administrativeDivision | parish of Escalhão NERFINISHED ⓘ |
| belongsTo | municipality of Figueira de Castelo Rodrigo NERFINISHED ⓘ |
| borderCrossingType | fluvial and former rail crossing ⓘ |
| borderFunction | former international rail border crossing between Portugal and Spain ⓘ |
| borderType |
Portuguese–Spanish border point
ⓘ
riverside border village ⓘ |
| climate | Mediterranean-influenced continental climate ⓘ |
| country | Portugal ⓘ |
| crossBorderContext | part of historical Portugal–Spain rail corridor via Salamanca ⓘ |
| economicActivity |
agriculture
ⓘ
river cruises ⓘ wine tourism ⓘ |
| formerRole |
railway hub
ⓘ
river transport hub ⓘ |
| historicalSignificance | key node in Douro Valley transport network ⓘ |
| knownFor |
end of navigable Douro cruise routes from Porto
ⓘ
proximity to Spanish village La Fregeneda ⓘ |
| language | Portuguese ⓘ |
| locatedIn |
Douro Valley
NERFINISHED
ⓘ
Figueira de Castelo Rodrigo NERFINISHED ⓘ Guarda District NERFINISHED ⓘ Northeast Portugal NERFINISHED ⓘ |
| locatedNear | Spain NERFINISHED ⓘ |
| locatedNearRiver | Águeda River NERFINISHED ⓘ |
| locatedOnRiver | Douro River NERFINISHED ⓘ |
| municipalitySeatOf | civil parish of Escalhão (administrative jurisdiction) ⓘ |
| nearInfrastructure | Douro River dams and locks system ⓘ |
| nearProtectedArea | Douro International Natural Park NERFINISHED ⓘ |
| populationScale | small village ⓘ |
| primaryRiverUse | tourist navigation ⓘ |
| railConnectionDirection |
east to La Fregeneda (Spain)
ⓘ
west to Porto ⓘ |
| railConnectionStatus |
Portuguese section of Douro line closed beyond Pocinho
ⓘ
international rail link to Spain closed ⓘ |
| railwayGauge | Iberian gauge ⓘ |
| railwayStation | Barca d'Alva railway station NERFINISHED ⓘ |
| region | Beira Interior Norte NERFINISHED ⓘ |
| servedByLine |
Douro railway line
NERFINISHED
ⓘ
La Fregeneda–Barca d'Alva railway line NERFINISHED ⓘ |
| tourismAttraction |
river cruise stop
ⓘ
scenic Douro Valley landscapes ⓘ |
| transportFunction | transshipment point between rail and river ⓘ |
| transportMode |
rail
ⓘ
river navigation ⓘ |
| wineRegion | Douro Demarcated Region NERFINISHED ⓘ |
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: Barca d'Alva Description of subject: Barca d'Alva is a small Portuguese riverside village near the Spanish border, known as a former key railway and river transport hub in the Douro Valley.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.