Tbilisi–Yerevan service
E278380
The Tbilisi–Yerevan service is an international passenger train connection linking the capitals of Georgia and Armenia across the South Caucasus.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tbilisi–Yerevan international service | 1 |
| Tbilisi–Yerevan service canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2559710 — 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: Tbilisi–Yerevan service Context triple: [Georgian Railway, hasRoute, Tbilisi–Yerevan service]
-
A.
Tbilisi–Gori transport corridor
The Tbilisi–Gori transport corridor is a major transit route in eastern Georgia that connects the capital Tbilisi with the city of Gori and passes through several intermediate towns and industrial areas.
-
B.
Tbilisi–Poti railway line
The Tbilisi–Poti railway line is a major rail route in Georgia that connects the capital city Tbilisi with the Black Sea port of Poti, serving as a key corridor for both passenger and freight transport.
-
C.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
D.
Tbilisi International Airport
Tbilisi International Airport is the main international gateway to Georgia’s capital, serving as a key hub for passenger and cargo flights connecting the country with Europe, Asia, and the Middle East.
-
E.
Tbilisi
Tbilisi is the largest city and cultural, political, and economic center of Georgia, located on the banks of the Kura River in the South Caucasus.
- 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: Tbilisi–Yerevan service Target entity description: The Tbilisi–Yerevan service is an international passenger train connection linking the capitals of Georgia and Armenia across the South Caucasus.
-
A.
Tbilisi–Gori transport corridor
The Tbilisi–Gori transport corridor is a major transit route in eastern Georgia that connects the capital Tbilisi with the city of Gori and passes through several intermediate towns and industrial areas.
-
B.
Tbilisi–Poti railway line
The Tbilisi–Poti railway line is a major rail route in Georgia that connects the capital city Tbilisi with the Black Sea port of Poti, serving as a key corridor for both passenger and freight transport.
-
C.
Tbilisi Metro
Tbilisi Metro is the rapid transit system serving Georgia’s capital city, providing a primary backbone for urban public transportation.
-
D.
Tbilisi International Airport
Tbilisi International Airport is the main international gateway to Georgia’s capital, serving as a key hub for passenger and cargo flights connecting the country with Europe, Asia, and the Middle East.
-
E.
Tbilisi
Tbilisi is the largest city and cultural, political, and economic center of Georgia, located on the banks of the Kura River in the South Caucasus.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
international passenger train service
ⓘ
railway service ⓘ |
| approximateJourneyTime | about 10–12 hours ⓘ |
| borderControlLocation | onboard at border stations ⓘ |
| borderCrossing |
Armenia–Georgia border
ⓘ
surface form:
Georgia–Armenia border
|
| connects |
Tbilisi
ⓘ
Yerevan, Armenia ⓘ
surface form:
Yerevan
|
| connectsCapitalCity |
Armenia
ⓘ
Georgia ⓘ |
| countryServed |
Armenia
ⓘ
Georgia ⓘ |
| electrification | partially electrified route ⓘ |
| gauge | 1,520 mm broad gauge ⓘ |
| hasCarType |
coupe compartment car
ⓘ
platzkart-type open sleeper (seasonal or historical) ⓘ sleeping car ⓘ |
| hasClass |
compartment
ⓘ
sleeper ⓘ |
| hasLanguageOfService |
Armenian
ⓘ
Georgian ⓘ Russian ⓘ |
| hasOnboardService |
border passport control
ⓘ
customs control ⓘ |
| hasTerminusStation |
Tbilisi Central railway station
ⓘ
surface form:
Tbilisi railway station
Yerevan railway station ⓘ |
| modeOfTransport | rail ⓘ |
| operatesOvernight | true ⓘ |
| operator |
Georgian Railway
ⓘ
surface form:
Georgian Railways
Transcaucasian Railway ⓘ
surface form:
South Caucasus Railway
|
| originatesIn | Tbilisi ⓘ |
| railwayNetwork |
Transcaucasian Railway
ⓘ
surface form:
Armenian Railway network
Georgian Railway ⓘ
surface form:
Georgian Railway network
|
| regionServed | South Caucasus ⓘ |
| serviceType |
international
ⓘ
passenger ⓘ |
| terminatesIn |
Yerevan, Armenia
ⓘ
surface form:
Yerevan
|
| ticketCurrency |
Armenian dram
ⓘ
Georgian lari ⓘ |
| ticketing | reservations required ⓘ |
| typicalFrequency | seasonal daily or several times per week ⓘ |
| usesRailwayLine | Tbilisi–Yerevan railway line ⓘ |
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: Tbilisi–Yerevan service Description of subject: The Tbilisi–Yerevan service is an international passenger train connection linking the capitals of Georgia and Armenia across the South Caucasus.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tbilisi–Yerevan international service