Schwerer Gustav railway gun
E157718
The Schwerer Gustav railway gun was an enormous German World War II super-heavy artillery piece, one of the largest cannons ever built, designed to destroy heavily fortified targets.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Dora railway gun | 1 |
| German 800 mm railway gun Schwerer Gustav | 1 |
| Schwerer Gustav railway gun canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1384381 — 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: Schwerer Gustav railway gun Context triple: [Siege of Sevastopol (1941–1942), notableWeapon, Schwerer Gustav railway gun]
-
A.
88 mm Flak gun
The 88 mm Flak gun was a versatile German anti-aircraft and anti-tank artillery piece renowned for its effectiveness and iconic role in World War II combat.
-
B.
Tiger I tank
The Tiger I tank was a heavily armored and powerfully armed German heavy tank of World War II, renowned for its battlefield dominance and mechanical complexity.
-
C.
Katyusha rocket launcher
The Katyusha rocket launcher was a Soviet World War II-era multiple rocket artillery system famed for its devastating salvos and distinctive howling sound.
-
D.
Centauro tank destroyer
The Centauro tank destroyer is an Italian-designed wheeled armored fighting vehicle equipped with a powerful tank gun, used primarily for mobile anti-tank and reconnaissance roles.
-
E.
Panther tank
The Panther tank was a German World War II medium tank renowned for its powerful gun, sloped armor, and balance of firepower and mobility, making it one of the most formidable armored vehicles of the war.
- 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: Schwerer Gustav railway gun Target entity description: The Schwerer Gustav railway gun was an enormous German World War II super-heavy artillery piece, one of the largest cannons ever built, designed to destroy heavily fortified targets.
-
A.
88 mm Flak gun
The 88 mm Flak gun was a versatile German anti-aircraft and anti-tank artillery piece renowned for its effectiveness and iconic role in World War II combat.
-
B.
Tiger I tank
The Tiger I tank was a heavily armored and powerfully armed German heavy tank of World War II, renowned for its battlefield dominance and mechanical complexity.
-
C.
Katyusha rocket launcher
The Katyusha rocket launcher was a Soviet World War II-era multiple rocket artillery system famed for its devastating salvos and distinctive howling sound.
-
D.
Centauro tank destroyer
The Centauro tank destroyer is an Italian-designed wheeled armored fighting vehicle equipped with a powerful tank gun, used primarily for mobile anti-tank and reconnaissance roles.
-
E.
Panther tank
The Panther tank was a German World War II medium tank renowned for its powerful gun, sloped armor, and balance of firepower and mobility, making it one of the most formidable armored vehicles of the war.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
German World War II weapon
ⓘ
railway gun ⓘ super-heavy artillery ⓘ |
| artilleryType | siege gun ⓘ |
| caliber |
31.5 inch
ⓘ
800 mm ⓘ |
| category | super-heavy railway gun ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| crewSize | several hundred personnel ⓘ |
| deploymentRequirement |
extensive rail infrastructure
ⓘ
large construction crew ⓘ |
| designedFor |
destruction of fortifications of the Maginot Line
ⓘ
destruction of heavily fortified targets ⓘ long-range bombardment ⓘ |
| designer |
Krupp
ⓘ
linked to:
Krupp (company)
|
| era | World War II era ⓘ |
| fate | destroyed by German forces in 1945 ⓘ |
| firingPlatform | twin parallel railway tracks ⓘ |
| height | approximately 11.6 m ⓘ |
| length | approximately 47.3 m ⓘ |
| locationOfCombatUse |
Siege of Sevastopol
ⓘ
linked to:
Siege of Sevastopol (1854–1855)
|
| manufacturer |
Krupp
ⓘ
linked to:
Krupp (company)
|
| mass | approximately 1350 tonnes ⓘ |
| material | steel ⓘ |
| maximumRange |
approximately 39 km
ⓘ
approximately 47 km ⓘ |
| namedAfter | Gustav Krupp von Bohlen und Halbach ⓘ |
| notableFor |
being one of the largest artillery pieces ever built
ⓘ
extreme caliber size ⓘ extreme projectile mass ⓘ logistical complexity ⓘ |
| operatedBy | German Army ⓘ |
| operatorLanguage | German ⓘ |
| projectileMass |
approximately 4800 kg
ⓘ
approximately 7100 kg ⓘ |
| railGauge | standard gauge ⓘ |
| rateOfFire | approximately 1 round every 30 to 45 minutes ⓘ |
| reasonForDestruction | to prevent capture by advancing Allied forces ⓘ |
| relatedWeapon |
Dora railway gun
ⓘ
linked to:
Schwerer Gustav railway gun
|
| serviceEntry | 1941 ⓘ |
| status | destroyed ⓘ |
| theater | Eastern Front ⓘ |
| transportMethod | railway ⓘ |
| usedBy | Wehrmacht ⓘ |
| usedIn |
Siege of Sevastopol
ⓘ
linked to:
Siege of Sevastopol (1854–1855)
|
| yearCompleted | 1941 ⓘ |
| yearOrdered | 1937 ⓘ |
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: Schwerer Gustav railway gun Description of subject: The Schwerer Gustav railway gun was an enormous German World War II super-heavy artillery piece, one of the largest cannons ever built, designed to destroy heavily fortified targets.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Schwerer Gustav railway gun
linked to: Schwerer Gustav railway gun
subject linked to:
Siege of Sevastopol
linked to: Schwerer Gustav railway gun