Triple

T1913278
Position Surface form Disambiguated ID Type / Status
Subject Dead River (Michigan) E38157 entity
Predicate hasFloodEvent P17084 FINISHED
Object 2003 Dead River flood
The 2003 Dead River flood was a major dam-failure-induced flooding event in Michigan’s Upper Peninsula that caused significant damage in and around the city of Marquette.
E215828 NE FINISHED

How this triple was built (5 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: 2003 Dead River flood | Statement: [Dead River (Michigan), hasFloodEvent, 2003 Dead River flood]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 2003 Dead River flood
Context triple: [Dead River (Michigan), hasFloodEvent, 2003 Dead River flood]
  • 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. 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.
  • D. Flood
    Flood is a renowned British record producer and audio engineer known for his work with influential rock and alternative artists such as U2, Depeche Mode, and Nine Inch Nails.
  • E. Oder flood of 1997
    The Oder flood of 1997 was a catastrophic Central European flood that devastated large areas of Poland, Germany, and the Czech Republic, causing widespread damage and loss of life along the Oder River basin.
  • 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: 2003 Dead River flood
Triple: [Dead River (Michigan), hasFloodEvent, 2003 Dead River flood]
Generated description
The 2003 Dead River flood was a major dam-failure-induced flooding event in Michigan’s Upper Peninsula that caused significant damage in and around the city of Marquette.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 2003 Dead River flood
Target entity description: The 2003 Dead River flood was a major dam-failure-induced flooding event in Michigan’s Upper Peninsula that caused significant damage in and around the city of Marquette.
  • 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. 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.
  • D. Flood
    Flood is a renowned British record producer and audio engineer known for his work with influential rock and alternative artists such as U2, Depeche Mode, and Nine Inch Nails.
  • E. Oder flood of 1997
    The Oder flood of 1997 was a catastrophic Central European flood that devastated large areas of Poland, Germany, and the Czech Republic, causing widespread damage and loss of life along the Oder River basin.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFloodEvent
Context triple: [Dead River (Michigan), hasFloodEvent, 2003 Dead River flood]
  • A. hasFloodRisk
    Indicates that an entity is exposed to a potential or expected risk of flooding under certain conditions.
  • B. hasFloodHistory chosen
    Indicates that the subject has experienced one or more flood events in the past.
  • C. hasSeasonalFlooding
    Indicates that an area regularly experiences flooding during specific, recurring times of the year.
  • D. hasFloodplain
    Indicates that an area or location lies within the floodplain associated with a particular water body or flooding source.
  • E. hasFloodProtectionInfrastructure
    Indicates that there exists built or implemented infrastructure designed to protect against or mitigate flooding for the referenced entity.
  • F. None of above.

Provenance (6 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_69a8862a26088190aae5243695aeefc0 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb34d94fc8190a5bf1e582c77c725 completed March 7, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69adf3d5972881908856b75b324a1ad2 completed March 8, 2026, 10:10 p.m.
NEDg Description generation batch_69adf44290748190b882559de536af09 completed March 8, 2026, 10:12 p.m.
NED2 Entity disambiguation (via description) batch_69adf4d0ac58819096659706ef0785d0 completed March 8, 2026, 10:14 p.m.
PD Predicate disambiguation batch_69abafeba3d88190afcce67483d8625b completed March 7, 2026, 4:56 a.m.
Created at: March 4, 2026, 7:35 p.m.