Patras–Athens railway line
E440501
The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Athens–Aigio line | 1 |
| Athens–Patras railway | 1 |
| Patras–Athens railway line canonical | 1 |
| Patras–Athens–Thessaloniki–Evzonoi corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4431820 — 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: Patras–Athens railway line Context triple: [Achaea, hasRailway, Patras–Athens railway line]
-
A.
Paleofarsalos–Kalambaka railway line
The Paleofarsalos–Kalambaka railway line is a regional rail route in Thessaly, Greece, connecting the mainline network at Paleofarsalos with the town of Kalambaka near the Meteora rock formations.
-
B.
Athens Suburban Railway
The Athens Suburban Railway is a regional rail network serving the greater Athens metropolitan area, connecting the city with its international airport and surrounding regions.
-
C.
railway line Volos–Leianokladi
The railway line Volos–Leianokladi is a Greek rail route in Thessaly and Central Greece that connects the coastal city of Volos with the inland junction at Leianokladi, linking the region to the national rail network.
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D.
Athens tram network
The Athens tram network is a modern light rail system in Athens, Greece, connecting key coastal and central districts and serving as an important component of the city's public transportation.
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E.
Athens–Sounion coastal road
The Athens–Sounion coastal road is a scenic seaside highway in Attica, Greece, renowned for its views of the Saronic Gulf as it connects Athens with Cape Sounion.
- 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: Patras–Athens railway line Target entity description: The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
-
A.
Paleofarsalos–Kalambaka railway line
The Paleofarsalos–Kalambaka railway line is a regional rail route in Thessaly, Greece, connecting the mainline network at Paleofarsalos with the town of Kalambaka near the Meteora rock formations.
-
B.
Athens Suburban Railway
The Athens Suburban Railway is a regional rail network serving the greater Athens metropolitan area, connecting the city with its international airport and surrounding regions.
-
C.
railway line Volos–Leianokladi
The railway line Volos–Leianokladi is a Greek rail route in Thessaly and Central Greece that connects the coastal city of Volos with the inland junction at Leianokladi, linking the region to the national rail network.
-
D.
Athens tram network
The Athens tram network is a modern light rail system in Athens, Greece, connecting key coastal and central districts and serving as an important component of the city's public transportation.
-
E.
Athens–Sounion coastal road
The Athens–Sounion coastal road is a scenic seaside highway in Attica, Greece, renowned for its views of the Saronic Gulf as it connects Athens with Cape Sounion.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
rail corridor
ⓘ
railway line ⓘ |
| connects |
Athens
NERFINISHED
ⓘ
Athens metropolitan area NERFINISHED ⓘ Patras NERFINISHED ⓘ Port of Patras NERFINISHED ⓘ |
| connectsTo |
Athens Airport railway line
NERFINISHED
ⓘ
Piraeus–Athens railway line NERFINISHED ⓘ |
| country | Greece ⓘ |
| electrification | 25 kV AC 50 Hz (Athens–Kiato section) ⓘ |
| freightRole | movement of goods between Patras port and Athens ⓘ |
| function |
freight transport
ⓘ
passenger transport ⓘ |
| gauge | 1,435 mm ⓘ |
| historicalNote | replaces and upgrades older metre-gauge alignment between Patras and Athens ⓘ |
| importance | major intercity rail axis in Greece ⓘ |
| linkType | port–capital connection ⓘ |
| operator | Hellenic Train NERFINISHED ⓘ |
| owner | Hellenic Railways Organisation NERFINISHED ⓘ |
| partOf |
Greek national railway network
ⓘ
Piraeus–Patras railway NERFINISHED ⓘ |
| passengerRole | intercity passenger link between western Greece and Athens ⓘ |
| passesNear | Rio–Antirrio area NERFINISHED ⓘ |
| passesThrough |
Corinth
NERFINISHED
ⓘ
Kiato NERFINISHED ⓘ |
| regionServed |
Attica
NERFINISHED
ⓘ
Peloponnese NERFINISHED ⓘ |
| servedBy |
intercity trains
ⓘ
suburban services (Proastiakos) on Athens–Kiato section ⓘ |
| status |
partly operational
ⓘ
partly under construction ⓘ |
| strategicRole | key corridor for western Greece access to Athens ⓘ |
| terminus |
Athens
NERFINISHED
ⓘ
Patras NERFINISHED ⓘ |
| trackConfiguration |
double track (Athens–Kiato section)
ⓘ
single track (sections under construction or planned) ⓘ |
| upgradeProject | conversion to high-speed standard-gauge line ⓘ |
| uses | standard gauge track ⓘ |
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: Patras–Athens railway line Description of subject: The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Athens–Patras railway
this entity surface form:
Athens–Aigio line
this entity surface form:
Patras–Athens–Thessaloniki–Evzonoi corridor