Porto Santo Island
E81904
Porto Santo Island is a small, sparsely populated Portuguese island in the Madeira archipelago, known for its long sandy beach and mild climate.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Porto Santo Island canonical | 26 |
| Porto Santo | 7 |
| Porto Santo (Holy Port) | 1 |
| Porto Santo Islands | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T629393 — 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: Porto Santo Island Context triple: [Madeira, composedOf, Porto Santo Island]
-
A.
São Jorge Island
São Jorge Island is a long, narrow volcanic island in the central group of Portugal’s Azores archipelago, known for its dramatic cliffs, fajãs (coastal plains), and traditional cheese production.
-
B.
Santa Maria Island
Santa Maria Island is the southernmost island of Portugal’s Azores archipelago, known for its warmer, drier climate and distinctive white-sand beaches.
-
C.
Pico Island
Pico Island is a Portuguese island in the Azores archipelago, renowned for its towering Mount Pico volcano and UNESCO-listed vineyards.
-
D.
Santa Isabel Island
Santa Isabel Island is one of the larger and more remote islands in the Solomon Islands archipelago in the South Pacific, known for its rugged terrain, dense rainforest, and traditional Melanesian communities.
-
E.
Robert Island
Robert Island is one of the remote, ice-covered islands of the South Shetland archipelago off the northern tip of the Antarctic Peninsula.
- 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: Porto Santo Island Target entity description: Porto Santo Island is a small, sparsely populated Portuguese island in the Madeira archipelago, known for its long sandy beach and mild climate.
-
A.
São Jorge Island
São Jorge Island is a long, narrow volcanic island in the central group of Portugal’s Azores archipelago, known for its dramatic cliffs, fajãs (coastal plains), and traditional cheese production.
-
B.
Santa Maria Island
Santa Maria Island is the southernmost island of Portugal’s Azores archipelago, known for its warmer, drier climate and distinctive white-sand beaches.
-
C.
Pico Island
Pico Island is a Portuguese island in the Azores archipelago, renowned for its towering Mount Pico volcano and UNESCO-listed vineyards.
-
D.
Santa Isabel Island
Santa Isabel Island is one of the larger and more remote islands in the Solomon Islands archipelago in the South Pacific, known for its rugged terrain, dense rainforest, and traditional Melanesian communities.
-
E.
Robert Island
Robert Island is one of the remote, ice-covered islands of the South Shetland archipelago off the northern tip of the Antarctic Peninsula.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
municipality ⓘ |
| administeredBy |
Autonomous Region of Madeira
ⓘ
linked to:
Madeira
|
| belongsToDistrict | Madeira ⓘ |
| belongsToNUTS2Region |
Região Autónoma da Madeira
ⓘ
linked to:
Madeira
|
| capital | Vila Baleira ⓘ |
| connectedByFerryTo |
Madeira Island
ⓘ
linked to:
Madeira
|
| country | Portugal ⓘ |
| discoveredBy | Portuguese navigators ⓘ |
| discoveryCentury | 15th century ⓘ |
| hasAirport |
Porto Santo Airport
ⓘ
linked to:
Funchal Airport
|
| hasArea | approximately 42 square kilometres ⓘ |
| hasBeachType | golden sand ⓘ |
| hasCallingCode | +351 ⓘ |
| hasClimate | subtropical ⓘ |
| hasCountryCode | PT ⓘ |
| hasGeology | volcanic origin ⓘ |
| hasLength | approximately 11 kilometres ⓘ |
| hasMainBeachLength | approximately 9 kilometres ⓘ |
| hasMainEconomicActivity | tourism ⓘ |
| hasMunicipalHoliday | June 24 ⓘ |
| hasMunicipalStatusSince | 1835 ⓘ |
| hasNearbyIsland |
Madeira Island
ⓘ
linked to:
Madeira
|
| hasNearbyIslets |
Ilhéu de Baixo
ⓘ
linked to:
Ilhéu de Cima
Ilhéu de Cima ⓘ Ilhéu de Ferro ⓘ |
| hasNotableFeature | therapeutic sand used for health treatments ⓘ |
| hasPostalCodePrefix | 9400 ⓘ |
| hasSecondaryEconomicActivity |
fishing
ⓘ
services ⓘ small-scale agriculture ⓘ |
| hasWidth | approximately 6 kilometres ⓘ |
| knownFor |
long sandy beach
ⓘ
mild climate ⓘ tourism ⓘ |
| largestSettlement | Vila Baleira ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
Macaronesia ⓘ |
| namedAfter |
Porto Santo (Holy Port)
ⓘ
linked to:
Porto Santo Island
|
| officialLanguage | Portuguese ⓘ |
| partOf |
Madeira archipelago
ⓘ
linked to:
Madeira
|
| population | sparsely populated ⓘ |
| sovereignState | Portugal ⓘ |
| timezone | UTC+0 ⓘ |
| timezoneDST | UTC+1 ⓘ |
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: Porto Santo Island Description of subject: Porto Santo Island is a small, sparsely populated Portuguese island in the Madeira archipelago, known for its long sandy beach and mild climate.
Referenced by (35)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Porto Santo Island
subject linked to:
Perestrelo
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island
linked to: Porto Santo Island