Grand Slam bomb
E113416
The Grand Slam bomb was a massive British "earthquake" bomb used in World War II to destroy heavily fortified and deeply buried targets through immense explosive force and ground shock.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grand Slam bomb canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T959640 — 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: Grand Slam bomb Context triple: [Avro Lancaster, notableWeaponCarried, Grand Slam bomb]
-
A.
The Big Bam
The Big Bam is a famous nickname for Babe Ruth, the legendary American baseball slugger who transformed the sport in the early 20th century.
-
B.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
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C.
Bombing Bernard
Bombing Bernard is the wartime nickname of Bernhard von Galen, the 17th-century Prince-Bishop of Münster known for his fierce resistance to foreign powers and heavy use of artillery.
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D.
Bomb Squad
The Bomb Squad is a specialized Massachusetts State Police unit responsible for detecting, handling, and safely disposing of explosive devices and related hazards.
-
E.
Sabotage
"Sabotage" is a 2014 American action thriller film directed by David Ayer, featuring an ensemble cast led by Arnold Schwarzenegger as members of an elite DEA task force.
- 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: Grand Slam bomb Target entity description: The Grand Slam bomb was a massive British "earthquake" bomb used in World War II to destroy heavily fortified and deeply buried targets through immense explosive force and ground shock.
-
A.
The Big Bam
The Big Bam is a famous nickname for Babe Ruth, the legendary American baseball slugger who transformed the sport in the early 20th century.
-
B.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
-
C.
Bombing Bernard
Bombing Bernard is the wartime nickname of Bernhard von Galen, the 17th-century Prince-Bishop of Münster known for his fierce resistance to foreign powers and heavy use of artillery.
-
D.
Bomb Squad
The Bomb Squad is a specialized Massachusetts State Police unit responsible for detecting, handling, and safely disposing of explosive devices and related hazards.
-
E.
Sabotage
"Sabotage" is a 2014 American action thriller film directed by David Ayer, featuring an ensemble cast led by Arnold Schwarzenegger as members of an elite DEA task force.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
British World War II weapon
ⓘ
conventional bomb ⓘ earthquake bomb ⓘ |
| attackMethod |
earthquake effect
ⓘ
ground shock ⓘ |
| casingFeature | aerodynamically streamlined shape ⓘ |
| category |
aerial bomb
ⓘ
bunker-buster weapon ⓘ |
| constructionType | steel casing ⓘ |
| coolingTimeForFilling | several weeks ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| deliveryPlatform |
Avro Lancaster
ⓘ
surface form:
Avro Lancaster bomber
|
| designedBy | Vickers-Armstrongs ⓘ |
| designedForReleaseAltitude | high altitude ⓘ |
| designedPenetrationDepth | to penetrate deep into the ground before detonation ⓘ |
| designer | Barnes Wallis ⓘ |
| detonationMode | delayed-action fuse ⓘ |
| developmentPrecededBy | Tallboy bomb ⓘ |
| diameter |
about 1.17 metres
ⓘ
about 3 feet 10 inches ⓘ |
| era | 1940s ⓘ |
| explosiveFilling |
Torpex
ⓘ
surface form:
Torpex D1
|
| explosiveFillingMass |
approximately 4350 kilograms
ⓘ
approximately 9600 pounds ⓘ |
| fillingMethod | poured molten explosive ⓘ |
| firstOperationalTarget | Bielefeld viaduct ⓘ |
| firstOperationalUseDate | 14 March 1945 ⓘ |
| introducedInYear | 1945 ⓘ |
| length |
about 26 feet 6 inches
ⓘ
about 8.08 metres ⓘ |
| mass |
22000 pounds
ⓘ
9979 kilograms ⓘ |
| materialOfCasing | high-grade steel ⓘ |
| nickname | Ten Ton Tess ⓘ |
| numberBuiltApproximate | around 40 ⓘ |
| operator | Royal Air Force Bomber Command ⓘ |
| purpose |
to destroy deeply buried targets
ⓘ
to destroy heavily fortified targets ⓘ |
| relativeSizeClaim | one of the largest conventional bombs used in World War II ⓘ |
| serviceBranch | Royal Air Force ⓘ |
| specificDeliveryPlatform |
Avro Lancaster
ⓘ
surface form:
Avro Lancaster B.Mk I Special
|
| tailUnit | stabilizing fin assembly ⓘ |
| usedAgainstTargetType |
U-boat shelters
ⓘ
hardened concrete structures ⓘ railway viaducts ⓘ submarine pens ⓘ underground installations ⓘ |
| usedInConflict | World War II ⓘ |
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: Grand Slam bomb Description of subject: The Grand Slam bomb was a massive British "earthquake" bomb used in World War II to destroy heavily fortified and deeply buried targets through immense explosive force and ground shock.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Avro Lancaster
subject surface form:
Avro Lancaster