Triple

T10009203
Position Surface form Disambiguated ID Type / Status
Subject Louisiana 1927 E198327 entity
Predicate theme P261 FINISHED
Object Great Mississippi Flood of 1927
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.
E835353 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: Great Mississippi Flood of 1927 | Statement: [Louisiana 1927, theme, Great Mississippi Flood of 1927]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Mississippi Flood of 1927
Context triple: [Louisiana 1927, theme, Great Mississippi Flood of 1927]
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. Great Sioux City Flood of 1892
    The Great Sioux City Flood of 1892 was a devastating late-19th-century flood that inundated Sioux City, Iowa, causing widespread destruction and loss of life along the Missouri River.
  • 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: Great Mississippi Flood of 1927
Triple: [Louisiana 1927, theme, Great Mississippi Flood of 1927]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Mississippi Flood of 1927
Target entity description: 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.
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. Great Sioux City Flood of 1892
    The Great Sioux City Flood of 1892 was a devastating late-19th-century flood that inundated Sioux City, Iowa, causing widespread destruction and loss of life along the Missouri River.
  • 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_69ca830fcca48190bbbd9b20c233835f completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cdcd38659c8190830d223edbfd74ec completed April 2, 2026, 1:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69d26a7265b88190b69e7869a96bb404 completed April 5, 2026, 1:58 p.m.
NEDg Description generation batch_69d26e44ef488190bf8ce9c7b6c9700f completed April 5, 2026, 2:14 p.m.
NED2 Entity disambiguation (via description) batch_69d26ecca9508190a3a0890748f80ea6 completed April 5, 2026, 2:16 p.m.
Created at: March 30, 2026, 8:52 p.m.