Field of Mars, Saint Petersburg
E418350
Field of Mars in Saint Petersburg is a historic central square and former military parade ground that later became a memorial park dedicated to revolutionary victims.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T4172967 — 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: Field of Mars, Saint Petersburg Context triple: [Trinity Bridge, near, Field of Mars, Saint Petersburg]
-
A.
Ploshchad Ilyicha
Ploshchad Ilyicha is a Moscow Metro station serving the central part of the city and providing access to nearby residential and commercial areas.
-
B.
Victory Square, Saint Petersburg
Victory Square in Saint Petersburg is a major commemorative plaza and transport hub on the city’s southern approach, known for its prominent World War II memorials and monumental Soviet-era architecture.
-
C.
Theatre Square, Saint Petersburg
Theatre Square in Saint Petersburg is a historic city square renowned as a cultural hub, surrounded by major landmarks including the Mariinsky Theatre.
-
D.
Ploshchad Revolyutsii
Ploshchad Revolyutsii is a famous Moscow Metro station renowned for its distinctive Soviet-era architecture and bronze statues depicting idealized Soviet citizens.
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E.
Monument to Admiral Nakhimov in Saint Petersburg
The Monument to Admiral Nakhimov in Saint Petersburg is a commemorative statue honoring the famed Russian naval commander Pavel Nakhimov, prominently located in the historic center of the city.
- 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: Field of Mars, Saint Petersburg Target entity description: Field of Mars in Saint Petersburg is a historic central square and former military parade ground that later became a memorial park dedicated to revolutionary victims.
-
A.
Ploshchad Ilyicha
Ploshchad Ilyicha is a Moscow Metro station serving the central part of the city and providing access to nearby residential and commercial areas.
-
B.
Victory Square, Saint Petersburg
Victory Square in Saint Petersburg is a major commemorative plaza and transport hub on the city’s southern approach, known for its prominent World War II memorials and monumental Soviet-era architecture.
-
C.
Theatre Square, Saint Petersburg
Theatre Square in Saint Petersburg is a historic city square renowned as a cultural hub, surrounded by major landmarks including the Mariinsky Theatre.
-
D.
Ploshchad Revolyutsii
Ploshchad Revolyutsii is a famous Moscow Metro station renowned for its distinctive Soviet-era architecture and bronze statues depicting idealized Soviet citizens.
-
E.
Monument to Admiral Nakhimov in Saint Petersburg
The Monument to Admiral Nakhimov in Saint Petersburg is a commemorative statue honoring the famed Russian naval commander Pavel Nakhimov, prominently located in the historic center of the city.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
memorial
ⓘ
park ⓘ square ⓘ tourist attraction ⓘ |
| contains |
eternal flame
ⓘ
lawn areas ⓘ mass graves of revolution victims ⓘ memorial plaques ⓘ pedestrian paths ⓘ tree alleys ⓘ |
| country | Russia ⓘ |
| eternalFlameSignificance | first eternal flame in Russia ⓘ |
| formerUse |
drill ground
ⓘ
military parade ground ⓘ site for military reviews ⓘ |
| functionChangedToMemorial | after Russian Revolution ⓘ |
| hasAlternativeName |
Amusement Field (historical name)
ⓘ
Parade Ground of Saint Petersburg ⓘ Tsaritsyn Meadow (historical name) ⓘ
linked to:
Tsaritsyn Meadow
|
| hasEternalFlameSince | 1957 ⓘ |
| hasHeritageStatus | cultural heritage monument of federal significance in Russia ⓘ |
| hasNameInRussian |
Марсово поле
ⓘ
linked to:
Alexandrovsky Park
|
| hasShape | large open rectangular space ⓘ |
| hasSurface |
grass
ⓘ
gravel paths ⓘ |
| hasUse |
ceremonial space
ⓘ
memorial cemetery ⓘ public park ⓘ recreation area ⓘ |
| historicalPeriodOfDevelopment |
18th century
ⓘ
19th century ⓘ |
| languageOfOfficialName | Russian ⓘ |
| locatedIn |
Central District, Saint Petersburg
ⓘ
linked to:
Tsentralny District of Saint Petersburg
Saint Petersburg ⓘ
linked to:
St. Petersburg
historic centre of Saint Petersburg ⓘ |
| locatedNear |
Marble Palace
ⓘ
Savior on the Spilled Blood ⓘ
linked to:
Savior on Spilled Blood
Summer Garden ⓘ Suvorov Square ⓘ |
| locatedNextTo | Moyka River ⓘ |
| memorialPurpose |
victims of the 1917 Revolution
ⓘ
victims of the February Revolution ⓘ victims of the October Revolution ⓘ |
| namedAfter |
Mars, Roman god of war
ⓘ
linked to:
Roman god Mars
|
| partOf | UNESCO World Heritage Site Historic Centre of Saint Petersburg and Related Groups of Monuments ⓘ |
| urbanContext | central open space in dense historic fabric ⓘ |
| usedFor |
commemorative ceremonies
ⓘ
leisure and walking ⓘ political demonstrations ⓘ public gatherings ⓘ |
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: Field of Mars, Saint Petersburg Description of subject: Field of Mars in Saint Petersburg is a historic central square and former military parade ground that later became a memorial park dedicated to revolutionary victims.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Field of Mars, Saint Petersburg
linked to: Field of Mars, Saint Petersburg
linked to: Field of Mars, Saint Petersburg
Eternal Flame at the Tomb of the Unknown Soldier
→
precededBy
→
eternal flame at the Field of Mars in Leningrad (as an earlier Soviet eternal flame)
ⓘ
linked to: Field of Mars, Saint Petersburg