Cagliari–Golfo Aranci railway
E1033933
The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cagliari–Golfo Aranci railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13281104 — 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: Cagliari–Golfo Aranci railway Context triple: [Cagliari railway station, terminusOf, Cagliari–Golfo Aranci railway]
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A.
Palermo–Trapani railway
The Palermo–Trapani railway is a regional rail line in Sicily that connects the city of Palermo with the western coastal city of Trapani, serving several intermediate towns along the route.
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B.
Palermo–Messina railway
The Palermo–Messina railway is a major rail line in northern Sicily that connects the regional capital Palermo with the important port city of Messina along the island’s northern coast.
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C.
Catania–Palermo railway
The Catania–Palermo railway is a major rail line in Sicily that connects the island’s two largest cities, Catania and Palermo, crossing its mountainous interior.
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D.
Bari–Taranto railway
The Bari–Taranto railway is a major rail line in southern Italy that links the Adriatic coastal city of Bari with the Ionian port city of Taranto, serving as an important regional transport corridor in Apulia.
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E.
Taranto–Reggio di Calabria railway
The Taranto–Reggio di Calabria railway is a major rail line in southern Italy that links the Ionian coastal cities of Apulia, Basilicata, and Calabria with the regional hub of Reggio Calabria.
- 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: Cagliari–Golfo Aranci railway Target entity description: The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
-
A.
Palermo–Trapani railway
The Palermo–Trapani railway is a regional rail line in Sicily that connects the city of Palermo with the western coastal city of Trapani, serving several intermediate towns along the route.
-
B.
Palermo–Messina railway
The Palermo–Messina railway is a major rail line in northern Sicily that connects the regional capital Palermo with the important port city of Messina along the island’s northern coast.
-
C.
Catania–Palermo railway
The Catania–Palermo railway is a major rail line in Sicily that connects the island’s two largest cities, Catania and Palermo, crossing its mountainous interior.
-
D.
Bari–Taranto railway
The Bari–Taranto railway is a major rail line in southern Italy that links the Adriatic coastal city of Bari with the Ionian port city of Taranto, serving as an important regional transport corridor in Apulia.
-
E.
Taranto–Reggio di Calabria railway
The Taranto–Reggio di Calabria railway is a major rail line in southern Italy that links the Ionian coastal cities of Apulia, Basilicata, and Calabria with the regional hub of Reggio Calabria.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connects |
Cagliari
NERFINISHED
ⓘ
Golfo Aranci NERFINISHED ⓘ Olbia area NERFINISHED ⓘ |
| connectsRegionalAreas |
central Sardinia
ⓘ
northeastern Sardinia ⓘ southern Sardinia NERFINISHED ⓘ |
| connectsToPort |
Port of Golfo Aranci
NERFINISHED
ⓘ
ferry services to mainland Italy ⓘ |
| continent | Europe ⓘ |
| country | Italy ⓘ |
| electrification | non-electrified ⓘ |
| gauge | standard gauge ⓘ |
| hasFunction | connect Sardinia south to northeast ⓘ |
| hasLanguageOfOperations | Italian ⓘ |
| isMajorAxisIn | Sardinian rail network ⓘ |
| locatedIn | Sardinia NERFINISHED ⓘ |
| locatedOnIsland | Sardinia NERFINISHED ⓘ |
| operator | Rete Ferroviaria Italiana NERFINISHED ⓘ |
| owner | Rete Ferroviaria Italiana NERFINISHED ⓘ |
| partOf | Italian railway network NERFINISHED ⓘ |
| passesThrough |
Macomer
NERFINISHED
ⓘ
Olbia NERFINISHED ⓘ Oristano NERFINISHED ⓘ Ozieri-Chilivani NERFINISHED ⓘ |
| regionServed |
Metropolitan City of Cagliari
NERFINISHED
ⓘ
Province of Oristano NERFINISHED ⓘ Province of Sassari NERFINISHED ⓘ |
| servesCity |
Cagliari
NERFINISHED
ⓘ
Olbia NERFINISHED ⓘ |
| servesTown | Golfo Aranci NERFINISHED ⓘ |
| status | in use ⓘ |
| terminus |
Cagliari railway station
NERFINISHED
ⓘ
Golfo Aranci railway station NERFINISHED ⓘ |
| trackConfiguration | single track ⓘ |
| transportMode | rail ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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: Cagliari–Golfo Aranci railway Description of subject: The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.