Yoldiahavet (Swedish)
E146201
brackish water body
geological stage
paleogeographic water body
prehistoric sea
stage of the Baltic Sea
Yoldiahavet is the Swedish name for the prehistoric Yoldia Sea, an early brackish-water stage of the Baltic Sea that existed after the last Ice Age.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yoldiahavet (Swedish) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1281722 — 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: Yoldiahavet (Swedish) Context triple: [Yoldia Sea, hasLanguageName, Yoldiahavet (Swedish)]
-
A.
Södertörn
Södertörn is a large peninsula in eastern Sweden, south of Stockholm, known for its mix of suburban areas, forests, and coastline along the Baltic Sea.
-
B.
Brunnsviken
Brunnsviken is a scenic bay in the Stockholm area of Sweden, known for its surrounding parks, recreational areas, and cultural landmarks.
-
C.
Järla Sjö
Järla Sjö is a lake and residential area in the eastern suburbs of Stockholm, Sweden, known for its scenic waterfront setting within Nacka.
-
D.
Iddefjord
Iddefjord is a narrow fjord forming part of the border between Norway and Sweden, known for its scenic landscapes and proximity to the town of Halden.
-
E.
Viken
Viken is a county in southeastern Norway that includes the area around Oslo and stretches from the Swedish border to the mountainous interior.
- 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: Yoldiahavet (Swedish) Target entity description: Yoldiahavet is the Swedish name for the prehistoric Yoldia Sea, an early brackish-water stage of the Baltic Sea that existed after the last Ice Age.
-
A.
Södertörn
Södertörn is a large peninsula in eastern Sweden, south of Stockholm, known for its mix of suburban areas, forests, and coastline along the Baltic Sea.
-
B.
Brunnsviken
Brunnsviken is a scenic bay in the Stockholm area of Sweden, known for its surrounding parks, recreational areas, and cultural landmarks.
-
C.
Järla Sjö
Järla Sjö is a lake and residential area in the eastern suburbs of Stockholm, Sweden, known for its scenic waterfront setting within Nacka.
-
D.
Iddefjord
Iddefjord is a narrow fjord forming part of the border between Norway and Sweden, known for its scenic landscapes and proximity to the town of Halden.
-
E.
Viken
Viken is a county in southeastern Norway that includes the area around Oslo and stretches from the Swedish border to the mountainous interior.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
brackish water body
ⓘ
geological stage ⓘ paleogeographic water body ⓘ prehistoric sea ⓘ stage of the Baltic Sea ⓘ |
| cause |
eustatic sea-level rise
ⓘ
isostatic rebound ⓘ |
| connectedTo |
Atlantic Ocean
ⓘ
North Sea ⓘ |
| country | Sweden ⓘ |
| equivalentName | Yoldia Sea ⓘ |
| follows | Baltic Ice Lake ⓘ |
| formedAfter |
Last Glacial Maximum
ⓘ
Weichselian glaciation ⓘ
linked to:
Last Glacial Maximum
|
| geologicalEpoch |
Early Holocene
ⓘ
linked to:
Holocene
|
| geologicalPeriod | Holocene ⓘ |
| hasCharacteristicFossil |
Yoldia (Portlandia) arctica
ⓘ
linked to:
Yoldia arctica
|
| hasEnvironment |
cold-water
ⓘ
glacio-isostatic ⓘ |
| hasNameInLanguage | Yoldiahavet ⓘ |
| hasPhaseOrder | second stage of Baltic basin after ice lake ⓘ |
| hasSedimentType |
brackish-water deposits
ⓘ
marine clay ⓘ |
| hasStratigraphicUnit | Yoldia stage ⓘ |
| influencedBy | retreat of Scandinavian Ice Sheet ⓘ |
| knownFor |
early brackish phase of Baltic Sea
ⓘ
marine incursion into Baltic basin ⓘ |
| languageOfName | Swedish ⓘ |
| locatedIn |
Fennoscandian region
ⓘ
linked to:
Fennoscandia
Northern Europe ⓘ |
| namedAfter |
Yoldia (Portlandia) arctica
ⓘ
linked to:
Yoldia arctica
|
| partOf |
Baltic Sea basin
ⓘ
linked to:
Baltic Sea drainage basin
Baltic Sea evolution sequence ⓘ Baltic Sea history ⓘ postglacial Baltic development ⓘ |
| precedes | Ancylus Lake ⓘ |
| studiedInDiscipline |
Quaternary geology
ⓘ
paleoclimatology ⓘ paleogeography ⓘ |
| temporalContext | postglacial period ⓘ |
| usedIn |
Nordic Quaternary stratigraphy
ⓘ
linked to:
Quaternary science
Swedish geological literature ⓘ |
| waterType | brackish ⓘ |
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: Yoldiahavet (Swedish) Description of subject: Yoldiahavet is the Swedish name for the prehistoric Yoldia Sea, an early brackish-water stage of the Baltic Sea that existed after the last Ice Age.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.