RMS Lusitania
E257506
RMS Lusitania was a British ocean liner famously sunk by a German U-boat in 1915 during World War I, an event that significantly influenced public opinion against Germany.
All labels observed (3)
| Label | Occurrences |
|---|---|
| RMS Lusitania canonical | 19 |
| Lusitania | 1 |
| RMS Lusitania wreck site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2344927 — 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: RMS Lusitania Context triple: [Alfred Gwynne Vanderbilt, placeOfDeath, RMS Lusitania]
-
A.
HMHS Britannic
HMHS Britannic was a British White Star Line ocean liner, sister ship to the Titanic and Olympic, that served as a World War I hospital ship before sinking in the Aegean Sea in 1916.
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B.
RMS Titanic
RMS Titanic was a British Olympic-class ocean liner that tragically sank on its maiden voyage in 1912 after striking an iceberg, becoming one of the most famous maritime disasters in history.
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C.
SS Great Britain
SS Great Britain is a pioneering 19th-century iron-hulled steamship designed by Isambard Kingdom Brunel, now preserved as a major maritime museum ship in Bristol.
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D.
HMS Dorsetshire
HMS Dorsetshire was a British Royal Navy heavy cruiser that served during World War II, notably in the Indian Ocean before being sunk by Japanese aircraft in 1942.
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E.
M/V Columbia
M/V Columbia is a mainline passenger and vehicle ferry that serves as one of the flagship vessels of the Alaska Marine Highway System, operating along coastal routes in Alaska and the Pacific Northwest.
- 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: RMS Lusitania Target entity description: RMS Lusitania was a British ocean liner famously sunk by a German U-boat in 1915 during World War I, an event that significantly influenced public opinion against Germany.
-
A.
HMHS Britannic
HMHS Britannic was a British White Star Line ocean liner, sister ship to the Titanic and Olympic, that served as a World War I hospital ship before sinking in the Aegean Sea in 1916.
-
B.
RMS Titanic
RMS Titanic was a British Olympic-class ocean liner that tragically sank on its maiden voyage in 1912 after striking an iceberg, becoming one of the most famous maritime disasters in history.
-
C.
SS Great Britain
SS Great Britain is a pioneering 19th-century iron-hulled steamship designed by Isambard Kingdom Brunel, now preserved as a major maritime museum ship in Bristol.
-
D.
HMS Dorsetshire
HMS Dorsetshire was a British Royal Navy heavy cruiser that served during World War II, notably in the Indian Ocean before being sunk by Japanese aircraft in 1942.
-
E.
M/V Columbia
M/V Columbia is a mainline passenger and vehicle ferry that serves as one of the flagship vessels of the Alaska Marine Highway System, operating along coastal routes in Alaska and the Pacific Northwest.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ocean liner
ⓘ
passenger ship ⓘ steamship ⓘ |
| awarded | Blue Riband ⓘ |
| belligerentAttacker | German Empire ⓘ |
| builtAt |
Clydebank, Scotland
ⓘ
linked to:
Clydebank
|
| cargoControversy | allegations of carrying munitions ⓘ |
| causeOfSinking | torpedo attack ⓘ |
| completedDate | 1907-09-07 ⓘ |
| countryOfRegistry | United Kingdom ⓘ |
| departureDateOnFinalVoyage | 1915-05-01 ⓘ |
| departurePortOnFinalVoyage | New York City ⓘ |
| destinationOnFinalVoyage | Liverpool ⓘ |
| flag |
Red Ensign
ⓘ
linked to:
British Red Ensign
|
| impact |
contributed to shift in U.S. public opinion toward the Allies
ⓘ
increased anti-German sentiment in the United States ⓘ strengthened Allied propaganda against Germany ⓘ |
| launchDate | 1906-06-07 ⓘ |
| legacy |
subject of numerous books and documentaries
ⓘ
symbol of civilian casualties in naval warfare ⓘ |
| length | approximately 240 meters ⓘ |
| maidenVoyageDate | 1907-09-07 ⓘ |
| maximumSpeed | about 25 knots ⓘ |
| notableFor | high speed on transatlantic crossings ⓘ |
| notableVictims | American citizens ⓘ |
| numberOfDeaths | about 1,198 ⓘ |
| numberOfFunnels | 4 ⓘ |
| numberOfMasts | 2 ⓘ |
| numberOfSurvivors | about 761 ⓘ |
| operator | Cunard Line ⓘ |
| owner | Cunard Line ⓘ |
| passengersAndCrewOnFinalVoyage | about 1,959 ⓘ |
| politicalContext | German unrestricted submarine warfare ⓘ |
| portOfRegistry | Liverpool ⓘ |
| propulsion | steam turbines ⓘ |
| route |
Liverpool–New York City
ⓘ
linked to:
Liverpool–New York
|
| shipType | transatlantic liner ⓘ |
| shipyard | John Brown & Company ⓘ |
| sinkingDate | 1915-05-07 ⓘ |
| sinkingLocation |
near Old Head of Kinsale
ⓘ
off the coast of County Cork, Ireland ⓘ |
| sunkBy |
German U-boat U-20
ⓘ
linked to:
U-9
|
| timeToSinkAfterTorpedo | about 18 minutes ⓘ |
| tonnage | approximately 31,550 gross register tons ⓘ |
| victimCountry | United Kingdom ⓘ |
| war | World War I ⓘ |
| warning | advertisements placed by German embassy in U.S. newspapers ⓘ |
| wreckDepth | approximately 93 meters ⓘ |
| wreckLocation | Atlantic Ocean ⓘ |
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: RMS Lusitania Description of subject: RMS Lusitania was a British ocean liner famously sunk by a German U-boat in 1915 during World War I, an event that significantly influenced public opinion against Germany.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: RMS Lusitania
linked to: RMS Lusitania