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.