Line 1 of Saint Petersburg Metro
E620598
Line 1 of the Saint Petersburg Metro is the city’s oldest and one of its main north–south rapid transit lines, serving key central and residential districts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 1 of Saint Petersburg Metro canonical | 1 |
| first line of Saint Petersburg Metro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6811968 — 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: Line 1 of Saint Petersburg Metro Context triple: [Line 3 of Saint Petersburg Metro, connectsWith, Line 1 of Saint Petersburg Metro]
-
A.
Line 3 of Saint Petersburg Metro
Line 3 of the Saint Petersburg Metro, also known as the Nevsko–Vasileostrovskaya Line, is a major rapid transit line running generally east–west across the city and serving key central and residential districts.
-
B.
Kaluzhsko–Rizhskaya Line
The Kaluzhsko–Rizhskaya Line is a major line of the Moscow Metro system, running north–south through the city and serving several densely populated residential and commercial districts.
-
C.
Kalininsko–Solntsevskaya Line
The Kalininsko–Solntsevskaya Line is a major east–west rapid transit line of the Moscow Metro, serving numerous residential and commercial districts across the city.
-
D.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
E.
Filyovskaya Line
The Filyovskaya Line is one of the lines of the Moscow Metro, serving western districts of the city and connecting them with the central network.
- 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: Line 1 of Saint Petersburg Metro Target entity description: Line 1 of the Saint Petersburg Metro is the city’s oldest and one of its main north–south rapid transit lines, serving key central and residential districts.
-
A.
Line 3 of Saint Petersburg Metro
Line 3 of the Saint Petersburg Metro, also known as the Nevsko–Vasileostrovskaya Line, is a major rapid transit line running generally east–west across the city and serving key central and residential districts.
-
B.
Kaluzhsko–Rizhskaya Line
The Kaluzhsko–Rizhskaya Line is a major line of the Moscow Metro system, running north–south through the city and serving several densely populated residential and commercial districts.
-
C.
Kalininsko–Solntsevskaya Line
The Kalininsko–Solntsevskaya Line is a major east–west rapid transit line of the Moscow Metro, serving numerous residential and commercial districts across the city.
-
D.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
E.
Filyovskaya Line
The Filyovskaya Line is one of the lines of the Moscow Metro, serving western districts of the city and connecting them with the central network.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
transport infrastructure ⓘ |
| alsoKnownAs |
Kirovsko–Vyborgskaya Line
NERFINISHED
ⓘ
Red Line NERFINISHED ⓘ |
| country | Russia ⓘ |
| direction | north–south ⓘ |
| electrificationSystem | third rail ⓘ |
| hasColor | red ⓘ |
| hasDepot | Avtovo depot NERFINISHED ⓘ |
| hasFeature |
column-type stations
ⓘ
deep-level stations ⓘ pylon-type stations ⓘ |
| hasInterchangeWith |
Line 2 of Saint Petersburg Metro
NERFINISHED
ⓘ
Line 3 of Saint Petersburg Metro NERFINISHED ⓘ Line 4 of Saint Petersburg Metro NERFINISHED ⓘ Line 5 of Saint Petersburg Metro NERFINISHED ⓘ |
| hasLineNumber | 1 ⓘ |
| hasTerminus |
Devyatkino station
NERFINISHED
ⓘ
Prospekt Veteranov station NERFINISHED ⓘ |
| isMainAxisFor | north–south travel in Saint Petersburg Metro ⓘ |
| isOldestLineOf | Saint Petersburg Metro NERFINISHED ⓘ |
| locatedIn |
Russia
ⓘ
St. Petersburg ⓘ
surface form:
Saint Petersburg
|
| openingDate | 1955-11-15 ⓘ |
| operator | Saint Petersburg Metro NERFINISHED ⓘ |
| owner | Saint Petersburg Metro NERFINISHED ⓘ |
| partOf | Saint Petersburg Metro NERFINISHED ⓘ |
| serves |
central districts of Saint Petersburg
ⓘ
city center of Saint Petersburg ⓘ residential districts of Saint Petersburg ⓘ |
| servesStation |
Akademicheskaya
NERFINISHED
ⓘ
Avtovo NERFINISHED ⓘ Baltiyskaya NERFINISHED ⓘ Chernyshevskaya NERFINISHED ⓘ Grazhdansky Prospekt NERFINISHED ⓘ Lesnaya NERFINISHED ⓘ Narvskaya NERFINISHED ⓘ Pionerskaya depot access ⓘ Ploshchad Lenina NERFINISHED ⓘ Ploshchad Vosstaniya NERFINISHED ⓘ Politekhnicheskaya NERFINISHED ⓘ Technologichesky Institut NERFINISHED ⓘ Vladimirskaya NERFINISHED ⓘ |
| system | Saint Petersburg Metro network NERFINISHED ⓘ |
| trackGauge | 1520 mm ⓘ |
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: Line 1 of Saint Petersburg Metro Description of subject: Line 1 of the Saint Petersburg Metro is the city’s oldest and one of its main north–south rapid transit lines, serving key central and residential districts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
first line of Saint Petersburg Metro