Baltic Ice Lake
E22733
The Baltic Ice Lake was a large proglacial lake that existed at the end of the last Ice Age in the area now occupied by the northern Baltic Sea.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Baltic Ice Lake canonical | 8 |
| Baltic Ice Lake stage | 1 |
| Baltic Ice Lake – Yoldia Sea – Ancylus Lake – Littorina Sea | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T133386 — 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: Baltic Ice Lake Context triple: [Baltic Sea, precededBy, Baltic Ice Lake]
-
A.
Lake Ladoga
Lake Ladoga is a vast freshwater lake in northwestern Russia, renowned as the largest lake in Europe and an important ecological and historical region.
-
B.
Baltic Sea
The Baltic Sea is a brackish inland sea in Northern Europe bordered by countries such as Sweden, Finland, Russia, and Poland, known for its low salinity, busy shipping routes, and environmental sensitivity.
-
C.
The Lake
The Lake is a village-like neighborhood in Newton, Massachusetts, known for its strong community identity and historically Irish-American roots.
-
D.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
-
E.
Great Lake
The Great Lake is an expansive ornamental body of water forming a dramatic focal point within the landscaped grounds of Blenheim Palace in Oxfordshire, England.
- 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: Baltic Ice Lake Target entity description: The Baltic Ice Lake was a large proglacial lake that existed at the end of the last Ice Age in the area now occupied by the northern Baltic Sea.
-
A.
Lake Ladoga
Lake Ladoga is a vast freshwater lake in northwestern Russia, renowned as the largest lake in Europe and an important ecological and historical region.
-
B.
Baltic Sea
The Baltic Sea is a brackish inland sea in Northern Europe bordered by countries such as Sweden, Finland, Russia, and Poland, known for its low salinity, busy shipping routes, and environmental sensitivity.
-
C.
The Lake
The Lake is a village-like neighborhood in Newton, Massachusetts, known for its strong community identity and historically Irish-American roots.
-
D.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
-
E.
Great Lake
The Great Lake is an expansive ornamental body of water forming a dramatic focal point within the landscaped grounds of Blenheim Palace in Oxfordshire, England.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
prehistoric lake ⓘ proglacial lake ⓘ |
| basinCountry |
Estonia
ⓘ
Finland ⓘ Latvia ⓘ Lithuania ⓘ Poland ⓘ Russia ⓘ Sweden ⓘ |
| boundedBy | Fennoscandian Ice Sheet ⓘ |
| drainageType | catastrophic drainage event ⓘ |
| drainedInto | North Sea ⓘ |
| drainedThrough | Central Swedish lowland ⓘ |
| existedAtEndOf | last Ice Age ⓘ |
| followedBy |
Ancylus Lake
ⓘ
Yoldia Sea ⓘ |
| formedAs | ice-dammed lake ⓘ |
| formedDuring |
Late Pleistocene
ⓘ
Weichselian glaciation ⓘ
linked to:
Wisconsin glaciation
|
| hasEffectOn |
isostatic rebound patterns in Fennoscandia
ⓘ
postglacial shoreline displacement ⓘ |
| hasGeologicalEvidence |
glaciolacustrine sediments
ⓘ
shoreline formations ⓘ |
| hasProcess |
glacial retreat
ⓘ
ice-margin oscillations ⓘ rapid water-level fall at drainage ⓘ |
| hasRemnant |
deltaic deposits along former shorelines
ⓘ
raised beaches in Baltic region ⓘ |
| locatedIn |
Baltic region
ⓘ
linked to:
Baltic Sea coast region
Fennoscandian Shield ⓘ Northern Europe ⓘ |
| maximumExtent |
Gulf of Bothnia region
ⓘ
linked to:
Gulf of Bothnia
Gulf of Finland region ⓘ
linked to:
Gulf of Finland
area of present-day northern Baltic Sea ⓘ |
| namedAfter | Baltic Sea ⓘ |
| partOf |
Baltic Sea basin
ⓘ
linked to:
Baltic Sea
Baltic Sea evolution ⓘ |
| precededBy | Baltic Sea ice sheet cover ⓘ |
| separatedFrom | Atlantic Ocean ⓘ |
| studiedInDiscipline |
Quaternary geology
ⓘ
glaciology ⓘ paleogeography ⓘ |
| timePeriod | approximately 13,000–10,300 years before present ⓘ |
| waterSource | meltwater from Fennoscandian Ice Sheet ⓘ |
| 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: Baltic Ice Lake Description of subject: The Baltic Ice Lake was a large proglacial lake that existed at the end of the last Ice Age in the area now occupied by the northern Baltic Sea.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Baltic Ice Lake
subject linked to:
Yoldiahavet (Swedish)
linked to: Baltic Ice Lake
subject linked to:
Holocene Baltic Sea stages