Caspian Sea
E14161
The Caspian Sea is the world’s largest inland body of water, a landlocked saltwater lake situated between Europe and Asia and bordered by several countries including Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Caspian Sea canonical | 194 |
| კასპიის ზღვა | 2 |
| Caspian Sea basin | 1 |
| Kura–Caspian Sea system | 1 |
| northern Caspian Sea | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T42204 — 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: Caspian Sea Context triple: [Europe, borderedBy, Caspian Sea]
-
A.
Black Sea
The Black Sea is a large inland sea between Eastern Europe and Western Asia, bordered by countries such as Ukraine, Russia, Georgia, Turkey, Bulgaria, and Romania, and connected to the Mediterranean through the Bosporus and Dardanelles straits.
-
B.
Sea of Azov
The Sea of Azov is a shallow inland sea in Eastern Europe connected to the Black Sea, bordered by Ukraine and Russia and known for its strategic and economic importance.
-
C.
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.
-
D.
Black Sea and Sea of Azov
The Black Sea and the Sea of Azov are two connected inland seas in Eastern Europe, linked by the Kerch Strait and bordered by countries including Russia and Ukraine.
-
E.
Persian Gulf
The Persian Gulf is a strategic body of water in Western Asia, bordered by several Middle Eastern countries and vital for global oil shipping and military operations.
- 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: Caspian Sea Target entity description: The Caspian Sea is the world’s largest inland body of water, a landlocked saltwater lake situated between Europe and Asia and bordered by several countries including Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan.
-
A.
Black Sea
The Black Sea is a large inland sea between Eastern Europe and Western Asia, bordered by countries such as Ukraine, Russia, Georgia, Turkey, Bulgaria, and Romania, and connected to the Mediterranean through the Bosporus and Dardanelles straits.
-
B.
Sea of Azov
The Sea of Azov is a shallow inland sea in Eastern Europe connected to the Black Sea, bordered by Ukraine and Russia and known for its strategic and economic importance.
-
C.
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.
-
D.
Black Sea and Sea of Azov
The Black Sea and the Sea of Azov are two connected inland seas in Eastern Europe, linked by the Kerch Strait and bordered by countries including Russia and Ukraine.
-
E.
Persian Gulf
The Persian Gulf is a strategic body of water in Western Asia, bordered by several Middle Eastern countries and vital for global oil shipping and military operations.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
endorheic lake
ⓘ
inland sea ⓘ salt lake ⓘ |
| area | approximately 371000 square kilometers ⓘ |
| averageDepth | approximately 211 meters ⓘ |
| basinCountry |
Azerbaijan
ⓘ
Iran ⓘ Kazakhstan ⓘ Russia ⓘ Turkmenistan ⓘ |
| borderedBy |
Azerbaijan
ⓘ
Iran ⓘ Kazakhstan ⓘ Russia ⓘ Turkmenistan ⓘ |
| contains |
Caspian seal
ⓘ
sturgeon ⓘ |
| continent |
Asia
ⓘ
Europe ⓘ |
| conventionSigned | 2018 ⓘ |
| disputedStatus | debate whether it is a sea or a lake ⓘ |
| drainageBasin | endorheic basin ⓘ |
| geologicalOrigin | remnant of the ancient Paratethys Sea ⓘ |
| governedBy | Convention on the Legal Status of the Caspian Sea ⓘ |
| hasPart |
Middle Caspian
ⓘ
Caspian Depression ⓘ
surface form:
Northern Caspian
Southern Caspian ⓘ |
| inflow |
Atrek River
ⓘ
Kura River ⓘ Samur River ⓘ Sefid-Rud ⓘ Sulak River ⓘ Terek River ⓘ Ural River ⓘ Volga River ⓘ |
| knownFor |
being the world’s largest inland body of water
ⓘ
caviar production ⓘ significant oil and natural gas reserves ⓘ sturgeon fisheries ⓘ |
| largestInflowRiver | Volga River ⓘ |
| locatedIn | Eurasia ⓘ |
| locatedOn | Caspian Depression ⓘ |
| maximumDepth | approximately 1025 meters ⓘ |
| outflow | none ⓘ |
| partOf |
Caspian Sea
self-linksurface differs
ⓘ
surface form:
Caspian Sea basin
|
| salinity |
about one-third of average ocean salinity
ⓘ
approximately 1.2 percent ⓘ |
| seaNameEtymology | derived from the ancient Caspi people ⓘ |
| surfaceElevation | approximately −28 meters ⓘ |
| 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: Caspian Sea Description of subject: The Caspian Sea is the world’s largest inland body of water, a landlocked saltwater lake situated between Europe and Asia and bordered by several countries including Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan.
Referenced by (199)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Northern Iran
subject surface form:
Northern Iran
subject surface form:
Northwestern Iran
subject surface form:
Guba-Khachmaz economic region