Hjälmaren
E868736
Hjälmaren is one of Sweden’s largest lakes, located in central Sweden and known for its shallow waters and surrounding agricultural and forested landscapes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hjälmaren canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T10536726 — 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: Hjälmaren Context triple: [Västmanland, hasLake, Hjälmaren]
-
A.
Körkarlen
Körkarlen is a 1912 novel by Swedish author Selma Lagerlöf that blends supernatural elements with moral and social themes, famously inspiring Victor Sjöström’s classic 1921 silent film adaptation "The Phantom Carriage."
-
B.
Fjäderholmarna
Fjäderholmarna is a small group of islands in the Stockholm archipelago known for their scenic coastal views, craft shops, and popular day-trip destinations from the city.
-
C.
Tjaden
Tjaden is the surname of American actress and singer Janis Paige, known for her work in film, television, and Broadway.
-
D.
Hälsingegårdar
Hälsingegårdar are large, ornately decorated historic farmhouses in Sweden’s Hälsingland region, recognized as UNESCO World Heritage sites for their distinctive rural architecture and cultural significance.
-
E.
Svärdet
Svärdet was a 17th-century Swedish warship that served in the Royal Swedish Navy and was lost during the Scanian 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: Hjälmaren Target entity description: Hjälmaren is one of Sweden’s largest lakes, located in central Sweden and known for its shallow waters and surrounding agricultural and forested landscapes.
-
A.
Körkarlen
Körkarlen is a 1912 novel by Swedish author Selma Lagerlöf that blends supernatural elements with moral and social themes, famously inspiring Victor Sjöström’s classic 1921 silent film adaptation "The Phantom Carriage."
-
B.
Fjäderholmarna
Fjäderholmarna is a small group of islands in the Stockholm archipelago known for their scenic coastal views, craft shops, and popular day-trip destinations from the city.
-
C.
Tjaden
Tjaden is the surname of American actress and singer Janis Paige, known for her work in film, television, and Broadway.
-
D.
Hälsingegårdar
Hälsingegårdar are large, ornately decorated historic farmhouses in Sweden’s Hälsingland region, recognized as UNESCO World Heritage sites for their distinctive rural architecture and cultural significance.
-
E.
Svärdet
Svärdet was a 17th-century Swedish warship that served in the Royal Swedish Navy and was lost during the Scanian War.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
natural freshwater lake ⓘ |
| area | approximately 483 square kilometres ⓘ |
| averageDepth | approximately 6 metres ⓘ |
| connectedTo |
Mälaren
ⓘ
linked to:
Lake Mälaren
|
| continent | Europe ⓘ |
| country | Sweden ⓘ |
| drainageBasin | Baltic Sea ⓘ |
| elevationAboveSeaLevel | approximately 22 metres ⓘ |
| fishSpecies |
bream
ⓘ
perch ⓘ pike ⓘ zander ⓘ |
| hasIsland | Vinön ⓘ |
| hasRecreationArea | Hjälmaren beaches ⓘ |
| hasShorelineType |
agricultural land
ⓘ
forested land ⓘ wetlands ⓘ |
| hasTransport | ferry to Vinön ⓘ |
| historicalEvent | lake lowering project in the 19th century ⓘ |
| knownFor |
shallow waters
ⓘ
surrounding agricultural landscapes ⓘ surrounding forested landscapes ⓘ |
| languageOfName | Swedish ⓘ |
| largestIsland | Vinön ⓘ |
| locatedIn |
Närke
ⓘ
Svealand ⓘ Södermanland County ⓘ Västmanland County ⓘ central Sweden ⓘ Örebro County ⓘ |
| maximumDepth | approximately 20 metres ⓘ |
| nearCity |
Eskilstuna
ⓘ
Katrineholm ⓘ Örebro ⓘ |
| outflow |
Eskilstunaån
ⓘ
Norrström ⓘ |
| partOf |
Hjälmaren drainage basin
ⓘ
Swedish lake system ⓘ |
| rankInSwedenByArea | fourth largest lake ⓘ |
| subjectTo | water level regulation ⓘ |
| usedFor |
boating
ⓘ
commercial fishing ⓘ ice fishing ⓘ recreation ⓘ swimming ⓘ |
| waterType | freshwater ⓘ |
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: Hjälmaren Description of subject: Hjälmaren is one of Sweden’s largest lakes, located in central Sweden and known for its shallow waters and surrounding agricultural and forested landscapes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.