Tbilisi–Baku service
E280492
The Tbilisi–Baku service is an international passenger train connection linking the capitals of Georgia and Azerbaijan across the South Caucasus.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tbilisi–Baku international service | 1 |
| Tbilisi–Baku service canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2559711 — 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–Baku service Context triple: [Georgian Railway, hasRoute, Tbilisi–Baku service]
-
A.
Tbilisi–Yerevan service
The Tbilisi–Yerevan service is an international passenger train connection linking the capitals of Georgia and Armenia across the South Caucasus.
-
B.
Tbilisi–Batumi line
The Tbilisi–Batumi line is a major Georgian railway route connecting the capital city Tbilisi with the Black Sea coastal city of Batumi, serving as one of the country’s primary passenger and freight corridors.
-
C.
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.
-
D.
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.
-
E.
Baku–Tbilisi–Kars railway project
The Baku–Tbilisi–Kars railway project is a regional rail corridor linking Azerbaijan, Georgia, and Turkey to create a direct freight and passenger route between the Caspian region and Europe, bypassing Armenia.
- 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–Baku service Target entity description: The Tbilisi–Baku service is an international passenger train connection linking the capitals of Georgia and Azerbaijan across the South Caucasus.
-
A.
Tbilisi–Yerevan service
The Tbilisi–Yerevan service is an international passenger train connection linking the capitals of Georgia and Armenia across the South Caucasus.
-
B.
Tbilisi–Batumi line
The Tbilisi–Batumi line is a major Georgian railway route connecting the capital city Tbilisi with the Black Sea coastal city of Batumi, serving as one of the country’s primary passenger and freight corridors.
-
C.
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.
-
D.
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.
-
E.
Baku–Tbilisi–Kars railway project
The Baku–Tbilisi–Kars railway project is a regional rail corridor linking Azerbaijan, Georgia, and Turkey to create a direct freight and passenger route between the Caspian region and Europe, bypassing Armenia.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
international passenger train service
ⓘ
railway service ⓘ |
| borderCrossingBetween |
Azerbaijan
ⓘ
Georgia ⓘ |
| connects |
Baku
ⓘ
Tbilisi ⓘ |
| connectsCapitalCity |
Baku
ⓘ
Tbilisi ⓘ |
| countryServed |
Azerbaijan
ⓘ
Georgia ⓘ |
| hasBorderControl | yes ⓘ |
| isPartOf |
South Caucasus rail network
ⓘ
linked to:
Transcaucasian Railway
|
| modeOfTransport | rail ⓘ |
| operatorCountry |
Azerbaijan
ⓘ
Georgia ⓘ |
| regionServed | South Caucasus ⓘ |
| routeStart | Tbilisi ⓘ |
| serviceClass |
couchette
ⓘ
sleeper ⓘ |
| serviceDomain | international passenger transport ⓘ |
| serviceType | overnight train ⓘ |
| terminusStation |
Baku railway station
ⓘ
linked to:
Baku
Tbilisi railway station ⓘ
linked to:
Tbilisi Central railway station
|
| usesRailGauge | broad gauge ⓘ |
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–Baku service Description of subject: The Tbilisi–Baku service is an international passenger train connection linking the capitals of Georgia and Azerbaijan across the South Caucasus.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tbilisi–Baku service