Porto di Ustica
E595662
Porto di Ustica is the main port on the small Italian island of Ustica, serving as its primary hub for passenger ferries, fishing boats, and local maritime activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porto di Ustica canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6487555 — 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 di Ustica Context triple: [Ustica, hasHarbor, Porto di Ustica]
-
A.
Port of Trapani
The Port of Trapani is a major commercial and passenger seaport in western Sicily, Italy, serving as a hub for maritime trade, fishing, and ferry connections to nearby islands.
-
B.
Port of Cagliari
The Port of Cagliari is a major commercial and passenger seaport on the southern coast of Sardinia, Italy, serving as a key hub for Mediterranean maritime trade and ferry traffic.
-
C.
Port of Palermo
The Port of Palermo is a major commercial and passenger seaport in Sicily, Italy, serving as a key hub for Mediterranean maritime trade and ferry connections.
-
D.
Port of Messina
The Port of Messina is a major commercial and passenger seaport in northeastern Sicily, serving as a key maritime gateway across the Strait of Messina between the Italian mainland and the island.
-
E.
Port of Catania
The Port of Catania is a major commercial and passenger seaport on the eastern coast of Sicily, serving as a key maritime hub for the city of Catania and the surrounding region.
- 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 di Ustica Target entity description: Porto di Ustica is the main port on the small Italian island of Ustica, serving as its primary hub for passenger ferries, fishing boats, and local maritime activities.
-
A.
Port of Trapani
The Port of Trapani is a major commercial and passenger seaport in western Sicily, Italy, serving as a hub for maritime trade, fishing, and ferry connections to nearby islands.
-
B.
Port of Cagliari
The Port of Cagliari is a major commercial and passenger seaport on the southern coast of Sardinia, Italy, serving as a key hub for Mediterranean maritime trade and ferry traffic.
-
C.
Port of Palermo
The Port of Palermo is a major commercial and passenger seaport in Sicily, Italy, serving as a key hub for Mediterranean maritime trade and ferry connections.
-
D.
Port of Messina
The Port of Messina is a major commercial and passenger seaport in northeastern Sicily, serving as a key maritime gateway across the Strait of Messina between the Italian mainland and the island.
-
E.
Port of Catania
The Port of Catania is a major commercial and passenger seaport on the eastern coast of Sicily, serving as a key maritime hub for the city of Catania and the surrounding region.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
harbor
ⓘ
seaport ⓘ |
| accessRestrictedTo | small and medium-sized vessels ⓘ |
| connectsTo |
Port of Palermo
ⓘ
Sicilian mainland ports ⓘ |
| continent | Europe ⓘ |
| country | Italy ⓘ |
| governedBy | local port authorities of Ustica ⓘ |
| hasActivity |
cargo supply for the island
ⓘ
fishing ⓘ passenger transport ⓘ tourism ⓘ |
| hasClimate | Mediterranean climate ⓘ |
| hasEconomicRole |
supports local fishing economy
ⓘ
supports supply of goods to Ustica ⓘ supports tourism on Ustica ⓘ |
| hasFunction |
cargo handling at small scale
ⓘ
fishing port ⓘ local maritime services ⓘ passenger transport hub ⓘ |
| hasInfrastructure |
ferry terminal facilities
ⓘ
fishing facilities ⓘ piers ⓘ quays ⓘ |
| hasNearbyAttraction |
Ustica Marine Protected Area
ⓘ
linked to:
Area Marina Protetta Isola di Ustica
|
| hasTransportMode | maritime transport ⓘ |
| isMainAccessPointTo | Ustica from mainland Italy ⓘ |
| languageUsed | Italian ⓘ |
| locatedIn |
Tyrrhenian Sea
ⓘ
island of Ustica ⓘ
linked to:
Ustica
|
| locatedInAdministrativeTerritory |
Metropolitan City of Palermo
ⓘ
Sicily ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| maritimeRegion |
southern Tyrrhenian Sea
ⓘ
linked to:
Tyrrhenian Sea
|
| partOf | municipality of Ustica ⓘ |
| primaryPortFor | Ustica ⓘ |
| serves |
island of Ustica
ⓘ
linked to:
Ustica
|
| usedBy |
fishing boats
ⓘ
hydrofoils ⓘ local service vessels ⓘ passenger ferries ⓘ tourist boats ⓘ |
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 di Ustica Description of subject: Porto di Ustica is the main port on the small Italian island of Ustica, serving as its primary hub for passenger ferries, fishing boats, and local maritime activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.