Triple

T10299081
Position Surface form Disambiguated ID Type / Status
Subject Coralville Dam E241576 entity
Predicate floodEvent P39938 FINISHED
Object 1993 Midwest floods
The 1993 Midwest floods were a catastrophic and prolonged flooding disaster along the Mississippi and Missouri River basins that caused widespread damage across several U.S. states.
E856316 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: 1993 Midwest floods | Statement: [Coralville Dam, floodEvent, 1993 Midwest floods]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1993 Midwest floods
Context triple: [Coralville Dam, floodEvent, 1993 Midwest floods]
  • 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. 2009 Red River flood
    The 2009 Red River flood was a major spring flood along the Red River of the North that caused extensive flooding and emergency responses in North Dakota, Minnesota, and Manitoba.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: 1993 Midwest floods
Triple: [Coralville Dam, floodEvent, 1993 Midwest floods]
Generated description
The 1993 Midwest floods were a catastrophic and prolonged flooding disaster along the Mississippi and Missouri River basins that caused widespread damage across several U.S. states.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1993 Midwest floods
Target entity description: The 1993 Midwest floods were a catastrophic and prolonged flooding disaster along the Mississippi and Missouri River basins that caused widespread damage across several U.S. states.
  • 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. 2009 Red River flood
    The 2009 Red River flood was a major spring flood along the Red River of the North that caused extensive flooding and emergency responses in North Dakota, Minnesota, and Manitoba.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d381aaafc08190af475ef58dc16aba completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4d2ee10f88190b1615c49b8f24a26 completed April 7, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d71d35d5908190bb87100c81f2948a completed April 9, 2026, 3:29 a.m.
NEDg Description generation batch_69d7318402f08190b655bdddbd97ecb9 completed April 9, 2026, 4:56 a.m.
NED2 Entity disambiguation (via description) batch_69d734473ef48190852dbe48742a4273 completed April 9, 2026, 5:08 a.m.
Created at: April 6, 2026, 11:44 a.m.