Triple

T7410423
Position Surface form Disambiguated ID Type / Status
Subject Kingston Fossil Plant E170986 entity
Predicate notableEvent P259 FINISHED
Object Kingston coal ash spill of 2008
The Kingston coal ash spill of 2008 was a major environmental disaster in Tennessee in which a dike failure at a coal-fired power plant released millions of cubic yards of toxic coal ash into nearby rivers and land.
E661604 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: Kingston coal ash spill of 2008 | Statement: [Kingston Fossil Plant, notableEvent, Kingston coal ash spill of 2008]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kingston coal ash spill of 2008
Context triple: [Kingston Fossil Plant, notableEvent, Kingston coal ash spill of 2008]
  • A. 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.
  • B. 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.
  • C. 2008 Kosi flood
    The 2008 Kosi flood was a catastrophic river flood in northern India and Nepal that displaced millions of people and caused widespread destruction when the Kosi River dramatically changed its course.
  • D. 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.
  • E. Black Saturday
    Black Saturday is the Christian observance between Good Friday and Easter Sunday that commemorates Jesus Christ’s body lying in the tomb and his followers’ mourning and waiting.
  • 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: Kingston coal ash spill of 2008
Triple: [Kingston Fossil Plant, notableEvent, Kingston coal ash spill of 2008]
Generated description
The Kingston coal ash spill of 2008 was a major environmental disaster in Tennessee in which a dike failure at a coal-fired power plant released millions of cubic yards of toxic coal ash into nearby rivers and land.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kingston coal ash spill of 2008
Target entity description: The Kingston coal ash spill of 2008 was a major environmental disaster in Tennessee in which a dike failure at a coal-fired power plant released millions of cubic yards of toxic coal ash into nearby rivers and land.
  • A. 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.
  • B. 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.
  • C. 2008 Kosi flood
    The 2008 Kosi flood was a catastrophic river flood in northern India and Nepal that displaced millions of people and caused widespread destruction when the Kosi River dramatically changed its course.
  • D. 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.
  • E. Black Saturday
    Black Saturday is the Christian observance between Good Friday and Easter Sunday that commemorates Jesus Christ’s body lying in the tomb and his followers’ mourning and waiting.
  • 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_69c68a618bdc81908d8018edadecd1a4 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f29ebea48190be96c6bc1e6406fb completed March 27, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c811244df081909b63e085d2272cd2 completed March 28, 2026, 5:34 p.m.
NEDg Description generation batch_69c81271a7f48190afc7c7b2c818cb8a completed March 28, 2026, 5:40 p.m.
NED2 Entity disambiguation (via description) batch_69c812df0b948190805862c5f176c956 completed March 28, 2026, 5:41 p.m.
Created at: March 27, 2026, 3:11 p.m.