Naples–Salerno railway
E335337
The Naples–Salerno railway is one of Italy’s key mainline rail routes in Campania, linking the city of Naples with Salerno along the Tyrrhenian coast.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Naples–Salerno railway canonical | 4 |
| Naples–Salerno line | 2 |
| Naples–Salerno–Reggio Calabria railway | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3185739 — 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: Naples–Salerno railway Context triple: [Portici, transport, Naples–Salerno railway]
-
A.
Circumvesuviana railway
The Circumvesuviana railway is a regional rail network in the Naples area of Italy that connects Naples with Sorrento and other towns around Mount Vesuvius.
-
B.
Rome–Albano railway
The Rome–Albano railway is a regional rail line in the Lazio region of Italy that connects Rome with the town of Albano Laziale, serving several communities in the Alban Hills.
-
C.
Genoa–Ventimiglia railway
The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
-
D.
Turin–Modane railway
The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
-
E.
Lyon–Turin rail axis
The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
- 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: Naples–Salerno railway Target entity description: The Naples–Salerno railway is one of Italy’s key mainline rail routes in Campania, linking the city of Naples with Salerno along the Tyrrhenian coast.
-
A.
Circumvesuviana railway
The Circumvesuviana railway is a regional rail network in the Naples area of Italy that connects Naples with Sorrento and other towns around Mount Vesuvius.
-
B.
Rome–Albano railway
The Rome–Albano railway is a regional rail line in the Lazio region of Italy that connects Rome with the town of Albano Laziale, serving several communities in the Alban Hills.
-
C.
Genoa–Ventimiglia railway
The Genoa–Ventimiglia railway is a major coastal rail line in northwestern Italy that runs along the Ligurian Sea, connecting Genoa with towns up to the French border.
-
D.
Turin–Modane railway
The Turin–Modane railway is a major trans-Alpine rail line connecting Turin in Italy with Modane in France, providing a key international route through the Alps.
-
E.
Lyon–Turin rail axis
The Lyon–Turin rail axis is a major transalpine high-speed and freight railway project linking Lyon in France with Turin in Italy through long base tunnels under the Alps to improve cross-border transport.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
main line railway
ⓘ
railway line ⓘ |
| connectsCity |
Naples
ⓘ
Salerno ⓘ |
| connectsTo |
Naples railway node
ⓘ
Salerno railway node ⓘ
linked to:
Salerno railway station
lines towards Reggio Calabria ⓘ lines towards Rome ⓘ |
| country | Italy ⓘ |
| electrification | 3 kV DC overhead line ⓘ |
| followsCoastOf | Tyrrhenian Sea ⓘ |
| formsCorridor |
Tyrrhenian coastal rail corridor in southern Italy
ⓘ
linked to:
Salerno–Reggio Calabria railway
|
| infrastructureManager | Rete Ferroviaria Italiana ⓘ |
| isKeyRouteFor |
long-distance services along Italy’s Tyrrhenian axis
ⓘ
regional services in Campania ⓘ |
| locatedIn | Campania ⓘ |
| owner | Rete Ferroviaria Italiana ⓘ |
| partOfRailNetwork | Italian railway network ⓘ |
| passesThrough |
Castellammare di Stabia area
ⓘ
linked to:
Stabiae
Cava de’ Tirreni area ⓘ Nocera Inferiore area ⓘ Pagani area ⓘ Portici ⓘ Torre Annunziata ⓘ Torre del Greco ⓘ |
| regionServed | Campania ⓘ |
| terminus |
Naples
ⓘ
Salerno ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| 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: Naples–Salerno railway Description of subject: The Naples–Salerno railway is one of Italy’s key mainline rail routes in Campania, linking the city of Naples with Salerno along the Tyrrhenian coast.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Angri, Campania, Italy
linked to: Naples–Salerno railway
linked to: Naples–Salerno railway
linked to: Naples–Salerno railway
linked to: Naples–Salerno railway