Triple

T19688528
Position Surface form Disambiguated ID Type / Status
Subject Coolidge administration E472773 entity
Predicate significantEvent P259 FINISHED
Object Mississippi River flood of 1927 NE NERFINISHED

How this triple was built (2 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: Mississippi River flood of 1927 | Statement: [Coolidge administration, significantEvent, Mississippi River flood of 1927]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mississippi River flood of 1927
Context triple: [Coolidge administration, significantEvent, Mississippi River flood of 1927]
  • A. Great Mississippi Flood of 1927 chosen
    The Great Mississippi Flood of 1927 was one of the most destructive river floods in U.S. history, inundating vast areas along the Mississippi River, displacing hundreds of thousands of people, and reshaping American flood control policy and race relations in the South.
  • B. Great Flood of 1879
    The Great Flood of 1879 was a catastrophic inundation of the city of Szeged in Hungary that destroyed most of the town and prompted a major reconstruction.
  • C. 1997 Red River flood
    The 1997 Red River flood was a catastrophic spring flood along the Red River of the North that devastated communities in North Dakota, Minnesota, and Manitoba, causing widespread evacuations and extensive property damage.
  • D. The Great Flood of 1852
    The Great Flood of 1852 was a catastrophic inundation of the Murrumbidgee River that devastated the Australian town of Gundagai, causing extensive loss of life and prompting the town’s relocation to higher ground.
  • E. Vanport flood of 1948
    The Vanport flood of 1948 was a catastrophic Columbia River flood that destroyed the wartime housing city of Vanport, Oregon, killing at least 15 people and displacing tens of thousands, many of them Black shipyard workers and their families.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8e515bef88190bc30781aea50537a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6420e5b788190a63ff6b83383b0e8 completed April 20, 2026, 3:11 p.m.
Created at: April 10, 2026, 1:45 p.m.