Akhalkalaki gauge-changing facility
E941994
The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Akhalkalaki gauge-changing facility canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11711542 — 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: Akhalkalaki gauge-changing facility Context triple: [Baku–Tbilisi–Kars railway project, includesFacility, Akhalkalaki gauge-changing facility]
-
A.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
B.
Tbilisi Aerial Tramway
The Tbilisi Aerial Tramway is a cable car system in Georgia’s capital that carries passengers between the city center and the hilltop Narikala Fortress, offering panoramic views over Tbilisi.
-
C.
Zugdidi railway station
Zugdidi railway station is the main rail transport hub serving the city of Zugdidi in western Georgia, connecting it with other major cities and regions.
-
D.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
E.
Tbilisi Central railway station
Tbilisi Central railway station is the primary passenger rail terminal in Georgia’s capital, serving as the country’s main hub for national and regional train services.
- 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: Akhalkalaki gauge-changing facility Target entity description: The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
-
A.
Tbilisi funicular
The Tbilisi funicular is a historic hillside railway in Georgia’s capital that carries passengers between the city and the Mtatsminda plateau, offering panoramic views over Tbilisi.
-
B.
Tbilisi Aerial Tramway
The Tbilisi Aerial Tramway is a cable car system in Georgia’s capital that carries passengers between the city center and the hilltop Narikala Fortress, offering panoramic views over Tbilisi.
-
C.
Zugdidi railway station
Zugdidi railway station is the main rail transport hub serving the city of Zugdidi in western Georgia, connecting it with other major cities and regions.
-
D.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
E.
Tbilisi Central railway station
Tbilisi Central railway station is the primary passenger rail terminal in Georgia’s capital, serving as the country’s main hub for national and regional train services.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
gauge-changing facility
ⓘ
rail infrastructure installation ⓘ |
| breakOfGaugeLocation | Georgia–Turkey rail border interface ⓘ |
| connectsRailNetwork |
Georgian Railway network
ⓘ
linked to:
Georgian Railway
Turkish State Railways network ⓘ
linked to:
Turkish railway network
|
| country | Georgia ⓘ |
| function | enables trains to switch between different track gauges ⓘ |
| gaugeTypeHandled |
1435 mm standard gauge
ⓘ
1520 mm broad gauge ⓘ |
| handlesTrafficType |
freight
ⓘ
passenger ⓘ |
| locatedIn |
Akhalkalaki
ⓘ
Samtskhe–Javakheti ⓘ
linked to:
Samtskhe-Javakheti
|
| locatedOnCorridor |
Baku–Tbilisi–Kars railway
ⓘ
linked to:
Baku–Tbilisi–Kars railway project
|
| locatedOnRailwayLine |
Baku–Tbilisi–Kars railway
ⓘ
linked to:
Baku–Tbilisi–Kars railway project
|
| partOf |
Baku–Tbilisi–Kars transport corridor
ⓘ
linked to:
Baku–Tbilisi–Kars railway project
Middle Corridor (Trans-Caspian International Transport Route) ⓘ
linked to:
Trans-Caspian International Transport Route
|
| purpose |
facilitate seamless freight transport between the South Caucasus and Turkey
ⓘ
facilitate seamless passenger transport between the South Caucasus and Turkey ⓘ |
| regionServed |
South Caucasus
ⓘ
Turkey ⓘ |
| roleInCorridor | gauge break-of-gauge interface between Georgian and Turkish rail networks ⓘ |
| strategicImportance | key node for Eurasian east–west rail connectivity ⓘ |
| supportsService |
international freight trains
ⓘ
international passenger trains ⓘ |
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: Akhalkalaki gauge-changing facility Description of subject: The Akhalkalaki gauge-changing facility is a rail infrastructure installation in Georgia that enables trains to switch between different track gauges on the Baku–Tbilisi–Kars corridor, facilitating seamless freight and passenger transport between the South Caucasus and Turkey.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.