Charlie
E64133
Charlie was the third nuclear test in the U.S. Operation Crossroads series, planned as an underwater detonation to study the effects of nuclear weapons on naval vessels.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Charlie canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T397152 — 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: Charlie Context triple: [Operation Crossroads, thirdTestName, Charlie]
-
A.
Carl
Carl is the given name of Carl Sagan, the renowned American astronomer, science communicator, and author.
-
B.
Jack
Jack is a common masculine given name, often used as a familiar form of John and widely featured in English-language literature and popular culture.
-
C.
Harold
Harold is a masculine given name of Old English origin, historically borne by several notable figures including kings and modern public personalities.
-
D.
Kenneth
Kenneth is the formal given name of American country music singer, songwriter, and actor Kenny Rogers.
-
E.
Barry
Barry is a coastal town and popular seaside resort in the Vale of Glamorgan, South Wales, known for Barry Island and its beaches.
- 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: Charlie Target entity description: Charlie was the third nuclear test in the U.S. Operation Crossroads series, planned as an underwater detonation to study the effects of nuclear weapons on naval vessels.
-
A.
Carl
Carl is the given name of Carl Sagan, the renowned American astronomer, science communicator, and author.
-
B.
Jack
Jack is a common masculine given name, often used as a familiar form of John and widely featured in English-language literature and popular culture.
-
C.
Harold
Harold is a masculine given name of Old English origin, historically borne by several notable figures including kings and modern public personalities.
-
D.
Kenneth
Kenneth is the formal given name of American country music singer, songwriter, and actor Kenny Rogers.
-
E.
Barry
Barry is a coastal town and popular seaside resort in the Vale of Glamorgan, South Wales, known for Barry Island and its beaches.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear weapons test
ⓘ
planned military operation ⓘ |
| associatedWith |
Bikini Atoll
ⓘ
surface form:
Bikini Atoll nuclear tests
United States nuclear weapons testing ⓘ
surface form:
United States nuclear testing program
|
| country |
United States of America
ⓘ
surface form:
United States
|
| era |
early Cold War
ⓘ
post–World War II period ⓘ |
| followedBy | none ⓘ |
| location |
Bikini Atoll
ⓘ
Marshall Islands ⓘ |
| namedAfter | third letter of the Joint Army/Navy Phonetic Alphabet ⓘ |
| operator |
United States Army
ⓘ
Department of Defense ⓘ
surface form:
United States Department of Defense
United States Navy ⓘ |
| partOf | Operation Crossroads ⓘ |
| plannedDetonationType | underwater nuclear detonation ⓘ |
| plannedMedium | underwater ⓘ |
| plannedTarget |
naval vessels
ⓘ
target ship array ⓘ |
| plannedYieldCategory | kiloton-range nuclear device ⓘ |
| precededBy | Baker (Operation Crossroads) ⓘ |
| purpose |
to evaluate damage to ships from underwater nuclear explosions
ⓘ
to study the effects of nuclear weapons on naval vessels ⓘ |
| reasonForCancellation | radiological contamination from Baker test ⓘ |
| status | cancelled ⓘ |
| subjectOf | studies on nuclear weapons effects on naval warfare ⓘ |
| testEnvironment | marine environment ⓘ |
| testNumberInSeries | 3 ⓘ |
| testSeries | Operation Crossroads ⓘ |
| testSeriesPurpose | to study the effects of nuclear weapons on warships and military equipment ⓘ |
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: Charlie Description of subject: Charlie was the third nuclear test in the U.S. Operation Crossroads series, planned as an underwater detonation to study the effects of nuclear weapons on naval vessels.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.