Frunzensko-Primorskaya Line
E617241
The Frunzensko-Primorskaya Line is one of the main rapid transit lines of the Saint Petersburg Metro, connecting southern residential districts with the city center and northwestern areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Frunzensko–Primorskaya Line | 2 |
| Frunzensko-Primorskaya Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6769435 — 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: Frunzensko-Primorskaya Line Context triple: [Saint Petersburg Metro, hasLine, Frunzensko-Primorskaya Line]
-
A.
Solntsevskaya Line
The Solntsevskaya Line is a line of the Moscow Metro system serving western and southwestern districts of Moscow with modern rapid transit connections.
-
B.
Butovskaya Line
The Butovskaya Line is a light metro line in the Moscow Metro system serving the Butovo district in the city’s south.
-
C.
Filevskaya Line
Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
-
D.
Akhmeteli–Varketili Line
The Akhmeteli–Varketili Line is the main north–south rapid transit line of the Tbilisi Metro system in Georgia.
-
E.
Mannerheim Line
The Mannerheim Line was a major Finnish fortification system on the Karelian Isthmus that played a central defensive role against the Soviet Union during the Winter War.
- 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: Frunzensko-Primorskaya Line Target entity description: The Frunzensko-Primorskaya Line is one of the main rapid transit lines of the Saint Petersburg Metro, connecting southern residential districts with the city center and northwestern areas.
-
A.
Solntsevskaya Line
The Solntsevskaya Line is a line of the Moscow Metro system serving western and southwestern districts of Moscow with modern rapid transit connections.
-
B.
Butovskaya Line
The Butovskaya Line is a light metro line in the Moscow Metro system serving the Butovo district in the city’s south.
-
C.
Filevskaya Line
Filevskaya Line is one of the lines of the Moscow Metro, known for its partially surface-level sections and service to western districts of the city.
-
D.
Akhmeteli–Varketili Line
The Akhmeteli–Varketili Line is the main north–south rapid transit line of the Tbilisi Metro system in Georgia.
-
E.
Mannerheim Line
The Mannerheim Line was a major Finnish fortification system on the Karelian Isthmus that played a central defensive role against the Soviet Union during the Winter War.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| cityServed | Saint Petersburg NERFINISHED ⓘ |
| connects |
city center of Saint Petersburg
ⓘ
northwestern areas of Saint Petersburg ⓘ southern residential districts of Saint Petersburg ⓘ |
| country | Russia ⓘ |
| hasFunction | urban rapid transit ⓘ |
| hasLocale | Russian language ⓘ |
| hasNameLanguage | Russian ⓘ |
| hasRole | main line of Saint Petersburg Metro ⓘ |
| infrastructureType | underground railway ⓘ |
| isInContinent | Europe NERFINISHED ⓘ |
| isPartOf | Saint Petersburg urban transport network NERFINISHED ⓘ |
| locatedIn |
Russia
ⓘ
St. Petersburg ⓘ
surface form:
Saint Petersburg
|
| modeOfTransport | rail ⓘ |
| networkRole | trunk line ⓘ |
| partOf | Saint Petersburg Metro NERFINISHED ⓘ |
| primaryUse | passenger transport ⓘ |
| publicTransport | yes ⓘ |
| serviceArea |
central Saint Petersburg
ⓘ
northwestern Saint Petersburg NERFINISHED ⓘ southern Saint Petersburg ⓘ |
| system | Saint Petersburg Metro NERFINISHED ⓘ |
| transportType | metro ⓘ |
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: Frunzensko-Primorskaya Line Description of subject: The Frunzensko-Primorskaya Line is one of the main rapid transit lines of the Saint Petersburg Metro, connecting southern residential districts with the city center and northwestern areas.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Frunzensko–Primorskaya Line
this entity surface form:
Frunzensko–Primorskaya Line