Summajärvi
E306020
Summajärvi is a lake on the Karelian Isthmus in present-day Russia, historically associated with the nearby village of Summa and the Winter War battles fought in the area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Summajärvi canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2868209 — 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: Summajärvi Context triple: [Summa, Karelian Isthmus, locatedNear, Summajärvi]
-
A.
Siilinjärvi
Siilinjärvi is a municipality in Eastern Finland known for hosting Rissala Air Base and being part of the Kuopio region.
-
B.
Kalajärvi
Kalajärvi is a residential district in the northern part of Espoo, Finland, known for its lakeside environment and outdoor recreation areas.
-
C.
Tarvasjoki
Tarvasjoki is a small former municipality in southwestern Finland known for its rural landscape and proximity to the city of Turku.
-
D.
Kemijoki
Kemijoki is the longest river in Finland, flowing through Lapland to the Gulf of Bothnia and serving as a major source of hydroelectric power.
-
E.
Suonenjoki
Suonenjoki is a small town and municipality in the Northern Savonia region of Finland, known for its rural landscapes and berry cultivation.
- 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: Summajärvi Target entity description: Summajärvi is a lake on the Karelian Isthmus in present-day Russia, historically associated with the nearby village of Summa and the Winter War battles fought in the area.
-
A.
Siilinjärvi
Siilinjärvi is a municipality in Eastern Finland known for hosting Rissala Air Base and being part of the Kuopio region.
-
B.
Kalajärvi
Kalajärvi is a residential district in the northern part of Espoo, Finland, known for its lakeside environment and outdoor recreation areas.
-
C.
Tarvasjoki
Tarvasjoki is a small former municipality in southwestern Finland known for its rural landscape and proximity to the city of Turku.
-
D.
Kemijoki
Kemijoki is the longest river in Finland, flowing through Lapland to the Gulf of Bothnia and serving as a major source of hydroelectric power.
-
E.
Suonenjoki
Suonenjoki is a small town and municipality in the Northern Savonia region of Finland, known for its rural landscapes and berry cultivation.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | lake ⓘ |
| associatedWithMilitaryFortifications | Mannerheim Line ⓘ |
| conflict | Winter War ⓘ |
| country | Russia ⓘ |
| currentSovereignState |
Russia
ⓘ
surface form:
Russian Federation
|
| frontLineAreaIn | Winter War ⓘ |
| hasHistoricalSignificance | site of military operations during the Winter War ⓘ |
| hasTopographicalRole | part of defensive terrain in the Summa sector ⓘ |
| historicallyAssociatedWith |
Battle of Summa
ⓘ
Summa ⓘ Winter War ⓘ |
| historicallyLocatedIn | Finland ⓘ |
| historicalPeriodOfImportance | 1939–1940 ⓘ |
| locatedIn |
Karelian Isthmus
ⓘ
Leningrad Oblast ⓘ northwestern Russia ⓘ |
| locatedNear | former Finnish–Soviet border ⓘ |
| nameLanguage | Finnish ⓘ |
| nearbySettlement | Summa ⓘ |
| partOf | Karelian Isthmus lake system ⓘ |
| previousSovereignState |
Finland
ⓘ
surface form:
Republic of Finland
|
| region |
historical province of Karelia
ⓘ
surface form:
historical Karelia
|
| usedAs | natural defensive line during the Winter War ⓘ |
| waterType | freshwater lake ⓘ |
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: Summajärvi Description of subject: Summajärvi is a lake on the Karelian Isthmus in present-day Russia, historically associated with the nearby village of Summa and the Winter War battles fought in the area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.