Baker
E50513
Baker was the second of the 1946 Operation Crossroads nuclear tests at Bikini Atoll, notable as an underwater detonation used to study the effects of nuclear explosions on naval ships and equipment.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Baker canonical | 2 |
| Baker (Tumbler–Snapper) | 1 |
| Baker-2 | 1 |
| Crossroads Baker | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T397151 — 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: Baker Context triple: [Operation Crossroads, secondTestName, Baker]
-
A.
Baker
Baker is a small desert town in San Bernardino County, California, known as a roadside stop and gateway to Death Valley for travelers along Interstate 15 between Los Angeles and Las Vegas.
-
B.
Baker
Baker is a common English occupational surname originally given to people who baked bread or worked in a bakery.
-
C.
Geo Baker
Geo Baker is an American former college basketball guard best known for his standout career and leadership with the Rutgers Scarlet Knights men's basketball program.
-
D.
Beekman
Beekman is a small town in Dutchess County, New York, known for its rural character and residential communities within the Hudson Valley region.
-
E.
Graham
Graham is the surname of Elizabeth Arden, the pioneering Canadian-American businesswoman who founded the iconic Elizabeth Arden cosmetics empire.
- 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: Baker Target entity description: Baker was the second of the 1946 Operation Crossroads nuclear tests at Bikini Atoll, notable as an underwater detonation used to study the effects of nuclear explosions on naval ships and equipment.
-
A.
Baker
Baker is a common English occupational surname originally given to people who baked bread or worked in a bakery.
-
B.
Baker
Baker is a small desert town in San Bernardino County, California, known as a roadside stop and gateway to Death Valley for travelers along Interstate 15 between Los Angeles and Las Vegas.
-
C.
Geo Baker
Geo Baker is an American former college basketball guard best known for his standout career and leadership with the Rutgers Scarlet Knights men's basketball program.
-
D.
Beekman
Beekman is a small town in Dutchess County, New York, known for its rural character and residential communities within the Hudson Valley region.
-
E.
Graham
Graham is the surname of Elizabeth Arden, the pioneering Canadian-American businesswoman who founded the iconic Elizabeth Arden cosmetics empire.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear test
ⓘ
underwater nuclear explosion ⓘ |
| codename | Test Baker ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | 1946-07-25 ⓘ |
| detonationDepth |
approximately 27 meters underwater
ⓘ
approximately 90 feet underwater ⓘ |
| deviceType | plutonium implosion bomb ⓘ |
| effectOnShips |
capsizing and sinking of nearby vessels
ⓘ
radioactive contamination preventing safe re-use ⓘ shock damage from underwater blast ⓘ |
| followedBy | Charlie ⓘ |
| historicalSignificance |
demonstrated challenges of decontaminating irradiated ships
ⓘ
early Cold War nuclear weapons effects research ⓘ |
| impact |
contributed data on underwater blast effects on naval architecture
ⓘ
influenced later nuclear test safety and decontamination procedures ⓘ |
| location |
Bikini Atoll
ⓘ
Marshall Islands ⓘ |
| medium | underwater detonation ⓘ |
| notableFor |
being the first nuclear test with an underwater detonation beneath a fleet of ships
ⓘ
producing extensive radioactive contamination of ships ⓘ |
| operation |
conducted by the United States Army
ⓘ
conducted by the United States Navy ⓘ conducted under the authority of the United States Joint Chiefs of Staff ⓘ |
| partOf | Operation Crossroads ⓘ |
| precededBy | Able ⓘ |
| purpose |
to study effects of nuclear explosions on naval equipment
ⓘ
to study effects of nuclear explosions on naval ships ⓘ |
| radiologicalConsequence |
hazardous working conditions for recovery crews
ⓘ
long-lasting contamination of target vessels ⓘ |
| relatedProgram |
United States nuclear weapons testing
ⓘ
surface form:
United States nuclear weapons testing program
|
| result |
heavy radioactive fallout in the lagoon
ⓘ
severe damage to many target ships ⓘ sinking of multiple target vessels ⓘ |
| sequenceInSeries | second test of Operation Crossroads ⓘ |
| targetFleetType | assembled target fleet of naval vessels ⓘ |
| testEnvironment |
Bikini Atoll
ⓘ
surface form:
lagoon of Bikini Atoll
|
| testNumberInUSProgram | among the first series of postwar U.S. nuclear tests ⓘ |
| testSeries | Operation Crossroads ⓘ |
| testType | weapons effects test ⓘ |
| year | 1946 ⓘ |
| yield | approximately 23 kilotons of TNT ⓘ |
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: Baker Description of subject: Baker was the second of the 1946 Operation Crossroads nuclear tests at Bikini Atoll, notable as an underwater detonation used to study the effects of nuclear explosions on naval ships and equipment.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Crossroads Baker
this entity surface form:
Baker-2
this entity surface form:
Baker (Tumbler–Snapper)