Triple

T21385119
Position Surface form Disambiguated ID Type / Status
Subject Rapid Creek E527472 entity
Predicate hasFloodEvent P17084 FINISHED
Object 1972 Black Hills flood
The 1972 Black Hills flood was a catastrophic flash flood in and around Rapid City, South Dakota, that killed hundreds of people and caused extensive destruction, making it one of the deadliest floods in U.S. history.
E1481413 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: 1972 Black Hills flood | Statement: [Rapid Creek, hasFloodEvent, 1972 Black Hills flood]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1972 Black Hills flood
Context triple: [Rapid Creek, hasFloodEvent, 1972 Black Hills flood]
  • A. 1976 Big Thompson Canyon flood
    The 1976 Big Thompson Canyon flood was a catastrophic flash flood in Colorado that killed more than 140 people and became one of the deadliest natural disasters in the state's history.
  • B. 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.
  • C. 1967 Fairbanks flood
    The 1967 Fairbanks flood was a devastating inundation of Fairbanks, Alaska, that caused widespread damage and led to major changes in the region’s flood control and urban planning.
  • D. Missoula floods
    The Missoula floods were a series of cataclysmic Ice Age glacial outburst floods that repeatedly swept across the Pacific Northwest, dramatically reshaping the landscape of what is now Washington, Oregon, Idaho, and Montana.
  • E. 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.
  • 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: 1972 Black Hills flood
Triple: [Rapid Creek, hasFloodEvent, 1972 Black Hills flood]
Generated description
The 1972 Black Hills flood was a catastrophic flash flood in and around Rapid City, South Dakota, that killed hundreds of people and caused extensive destruction, making it one of the deadliest floods in U.S. history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1972 Black Hills flood
Target entity description: The 1972 Black Hills flood was a catastrophic flash flood in and around Rapid City, South Dakota, that killed hundreds of people and caused extensive destruction, making it one of the deadliest floods in U.S. history.
  • A. 1976 Big Thompson Canyon flood
    The 1976 Big Thompson Canyon flood was a catastrophic flash flood in Colorado that killed more than 140 people and became one of the deadliest natural disasters in the state's history.
  • B. 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.
  • C. 1967 Fairbanks flood
    The 1967 Fairbanks flood was a devastating inundation of Fairbanks, Alaska, that caused widespread damage and led to major changes in the region’s flood control and urban planning.
  • D. Missoula floods
    The Missoula floods were a series of cataclysmic Ice Age glacial outburst floods that repeatedly swept across the Pacific Northwest, dramatically reshaping the landscape of what is now Washington, Oregon, Idaho, and Montana.
  • E. 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.
  • 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_69e0b51f363c8190944000ab5523b02b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69ee62c9494081909efa74e189454dc6 completed April 26, 2026, 7:08 p.m.
NED1 Entity disambiguation (via context triple) batch_6a09b42852288190b2d92faee197aba6 completed May 17, 2026, 12:27 p.m.
NEDg Description generation batch_6a09b5e6d1ac8190aeec88859d17d257 completed May 17, 2026, 12:34 p.m.
NED2 Entity disambiguation (via description) batch_6a09b699fef081909797a5fc50814cb9 completed May 17, 2026, 12:37 p.m.
Created at: April 16, 2026, 5:12 p.m.