The Lost Sea
E919305
The Lost Sea is a large underground lake and tourist attraction located within a vast cave system in Tennessee, USA.
All labels observed (2)
| Label | Occurrences |
|---|---|
| The Lost Sea canonical | 5 |
| The Lost Sea Adventure | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11326811 — 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: The Lost Sea Context triple: [Monroe County, Tennessee, contains, The Lost Sea]
-
A.
Sea of Mystery
Sea of Mystery is a themed area within the SeaWorld Orlando marine park, featuring ocean-inspired attractions and experiences.
-
B.
The Mystery of the Sea
The Mystery of the Sea is an 1890s adventure and supernatural novel by Bram Stoker that blends romance, political intrigue, and occult themes set largely on the coast of Scotland.
-
C.
Isle of the Lost
Isle of the Lost is a grim, isolated island prison in Disney’s Descendants universe where the villains and their children are banished and cut off from magic.
-
D.
The Toll of the Sea
The Toll of the Sea is a 1922 silent drama film, one of the earliest Hollywood movies shot in Technicolor, featuring Anna May Wong in her first leading role.
-
E.
The Living Sea
The Living Sea is a 1963 documentary film co-directed by Jacques-Yves Cousteau that explores marine life and oceanographic research aboard his ship Calypso.
- 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: The Lost Sea Target entity description: The Lost Sea is a large underground lake and tourist attraction located within a vast cave system in Tennessee, USA.
-
A.
Sea of Mystery
Sea of Mystery is a themed area within the SeaWorld Orlando marine park, featuring ocean-inspired attractions and experiences.
-
B.
The Mystery of the Sea
The Mystery of the Sea is an 1890s adventure and supernatural novel by Bram Stoker that blends romance, political intrigue, and occult themes set largely on the coast of Scotland.
-
C.
Isle of the Lost
Isle of the Lost is a grim, isolated island prison in Disney’s Descendants universe where the villains and their children are banished and cut off from magic.
-
D.
The Toll of the Sea
The Toll of the Sea is a 1922 silent drama film, one of the earliest Hollywood movies shot in Technicolor, featuring Anna May Wong in her first leading role.
-
E.
The Living Sea
The Living Sea is a 1963 documentary film co-directed by Jacques-Yves Cousteau that explores marine life and oceanographic research aboard his ship Calypso.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
show cave
ⓘ
tourist attraction ⓘ underground lake ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| geologicalType | limestone cave lake ⓘ |
| hasActivity |
glass-bottom boat tour
ⓘ
guided cave walk ⓘ |
| hasFeature |
boat tours
ⓘ
clear water ⓘ extensive cave system ⓘ guided tours ⓘ large underground lake ⓘ stalactites ⓘ stalagmites ⓘ underground chamber ⓘ |
| hasStatus |
commercial cave
ⓘ
developed show cave ⓘ |
| hasVisitorFacility |
gift shop
ⓘ
parking area ⓘ visitor center ⓘ walking trails ⓘ |
| knownFor |
being one of the largest underground lakes in the United States
ⓘ
scenic cave formations ⓘ underground boat rides ⓘ |
| locatedIn |
Craighead Caverns
ⓘ
Monroe County, Tennessee ⓘ Sweetwater, Tennessee ⓘ Tennessee ⓘ |
| locatedNear |
Interstate 75
ⓘ
Sweetwater, Tennessee city center ⓘ
linked to:
Sweetwater, Tennessee
|
| openingToPublic | 20th century ⓘ |
| partOf | Craighead Caverns ⓘ |
| subjectOf |
regional travel guides for East Tennessee
ⓘ
tourism brochures about Tennessee caves ⓘ |
| touristAttractionType |
cave attraction
ⓘ
natural attraction ⓘ |
| usedFor |
educational tours
ⓘ
recreational tours ⓘ tourism ⓘ |
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: The Lost Sea Description of subject: The Lost Sea is a large underground lake and tourist attraction located within a vast cave system in Tennessee, USA.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: The Lost Sea