Triple

T7584557
Position Surface form Disambiguated ID Type / Status
Subject Operation Ariel E179573 entity
Predicate notableLoss P8452 FINISHED
Object RMS Lancastria
RMS Lancastria was a British Cunard passenger liner requisitioned as a troopship in World War II, best known for its catastrophic sinking by German air attack off Saint-Nazaire in 1940, which resulted in one of the deadliest maritime disasters in British history.
E674459 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: RMS Lancastria | Statement: [Operation Ariel, notableLoss, RMS Lancastria]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: RMS Lancastria
Context triple: [Operation Ariel, notableLoss, RMS Lancastria]
  • A. 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.
  • B. RMS Lusitania
    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.
  • C. SS Mont-Blanc
    SS Mont-Blanc was a French cargo ship laden with explosives whose detonation in 1917 caused the catastrophic Halifax Explosion, one of the largest non-nuclear blasts in history.
  • D. HMS Royal Oak
    HMS Royal Oak was a 100-gun English Royal Navy ship of the line from the 17th century that gained historical note for her role and loss during major Anglo-Dutch naval conflicts.
  • E. Lusitania
    Lusitania was an ancient Roman province on the western Iberian Peninsula, roughly corresponding to much of modern Portugal and part of western Spain.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: RMS Lancastria
Triple: [Operation Ariel, notableLoss, RMS Lancastria]
Generated description
RMS Lancastria was a British Cunard passenger liner requisitioned as a troopship in World War II, best known for its catastrophic sinking by German air attack off Saint-Nazaire in 1940, which resulted in one of the deadliest maritime disasters in British history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: RMS Lancastria
Target entity description: RMS Lancastria was a British Cunard passenger liner requisitioned as a troopship in World War II, best known for its catastrophic sinking by German air attack off Saint-Nazaire in 1940, which resulted in one of the deadliest maritime disasters in British history.
  • A. 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.
  • B. RMS Lusitania
    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.
  • C. SS Mont-Blanc
    SS Mont-Blanc was a French cargo ship laden with explosives whose detonation in 1917 caused the catastrophic Halifax Explosion, one of the largest non-nuclear blasts in history.
  • D. HMS Royal Oak
    HMS Royal Oak was a 100-gun English Royal Navy ship of the line from the 17th century that gained historical note for her role and loss during major Anglo-Dutch naval conflicts.
  • E. Lusitania
    Lusitania was an ancient Roman province on the western Iberian Peninsula, roughly corresponding to much of modern Portugal and part of western Spain.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c69f327db881909a21ae3b156f8ded completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f993cd0c8190864f801074625a32 completed March 27, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c861812e08819097fd14fe2b8fee13 completed March 28, 2026, 11:17 p.m.
NEDg Description generation batch_69c862466fd481908ea5772e76a88d95 completed March 28, 2026, 11:20 p.m.
NED2 Entity disambiguation (via description) batch_69c862cae0448190859a07db338e1de7 completed March 28, 2026, 11:22 p.m.
Created at: March 27, 2026, 3:52 p.m.