Triple

T20261655
Position Surface form Disambiguated ID Type / Status
Subject HMS Firedrake E498851 entity
Predicate sunkBy P4687 FINISHED
Object U-boat U-211 — NE NERFINISHED

How this triple was built (3 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: U-boat U-211 | Statement: [HMS Firedrake, sunkBy, U-boat U-211]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U-boat U-211
Context triple: [HMS Firedrake, sunkBy, U-boat U-211]
  • A. German U-boat U-20
    German U-boat U-20 was an Imperial German Navy submarine from World War I, best known for torpedoing the British ocean liner RMS Lusitania in 1915, an event that significantly influenced public opinion against Germany.
  • B. German submarine U-205
    German submarine U-205 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that operated in the Mediterranean during World War II, engaging Allied naval forces before being sunk in 1943.
  • C. German submarine U-410
    German submarine U-410 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that conducted several patrols in the Mediterranean during World War II, sinking multiple Allied vessels.
  • D. German submarine U-96
    German submarine U-96 was a Type VIIC U-boat of Nazi Germany’s Kriegsmarine in World War II, best known as the real-life inspiration for the novel and film "Das Boot."
  • E. German U-boat U-47
    German U-boat U-47 was a World War II German submarine commanded by Günther Prien, best known for its daring and highly successful 1939 raid into the British naval base at Scapa Flow.
  • 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: U-boat U-211
Target entity description: U-boat U-211 was a German Type VIIC submarine of the Kriegsmarine that operated in the Battle of the Atlantic during World War II, attacking Allied convoys before being lost in 1943.
  • A. German U-boat U-20
    German U-boat U-20 was an Imperial German Navy submarine from World War I, best known for torpedoing the British ocean liner RMS Lusitania in 1915, an event that significantly influenced public opinion against Germany.
  • B. German submarine U-205
    German submarine U-205 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that operated in the Mediterranean during World War II, engaging Allied naval forces before being sunk in 1943.
  • C. German submarine U-410
    German submarine U-410 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that conducted several patrols in the Mediterranean during World War II, sinking multiple Allied vessels.
  • D. German submarine U-96
    German submarine U-96 was a Type VIIC U-boat of Nazi Germany’s Kriegsmarine in World War II, best known as the real-life inspiration for the novel and film "Das Boot."
  • E. German U-boat U-47
    German U-boat U-47 was a World War II German submarine commanded by Günther Prien, best known for its daring and highly successful 1939 raid into the British naval base at Scapa Flow.
  • F. None of above. chosen

Provenance (2 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_69da6275fa6c8190952924930adee150 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e674ca77c081909cd2f44ccfe3662d completed April 20, 2026, 6:47 p.m.
Created at: April 11, 2026, 11:41 p.m.