Triple
T20948519
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Devecser |
E515914
|
entity |
| Predicate | affectedBy |
P9
|
FINISHED |
| Object |
Ajka alumina plant red sludge disaster
The Ajka alumina plant red sludge disaster was a 2010 industrial catastrophe in western Hungary in which a reservoir failure released a torrent of toxic red mud, causing widespread environmental damage, injuries, and fatalities in nearby towns.
|
E1459156
|
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: Ajka alumina plant red sludge disaster | Statement: [Devecser, affectedBy, Ajka alumina plant red sludge disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ajka alumina plant red sludge disaster Context triple: [Devecser, affectedBy, Ajka alumina plant red sludge disaster]
-
A.
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.
-
B.
Samarco mining disaster
The Samarco mining disaster was a 2015 dam collapse in Brazil that released millions of tons of iron ore waste, causing widespread environmental devastation and contamination of the Doce River and surrounding communities.
-
C.
Brumadinho
Brumadinho is a municipality in the Brazilian state of Minas Gerais, internationally known for the Inhotim contemporary art institute and for the 2019 mining dam disaster.
-
D.
Fundão dam collapse
The Fundão dam collapse was a catastrophic 2015 mining waste disaster in Brazil that released millions of cubic meters of toxic sludge, causing widespread environmental damage and contamination along the Doce River basin.
-
E.
Sidoarjo mudflow
The Sidoarjo mudflow is a long-lasting industrial mud volcano disaster in East Java, Indonesia, that began erupting in 2006 and has inundated villages, displaced thousands of residents, and sparked major environmental and legal controversies.
- 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: Ajka alumina plant red sludge disaster Triple: [Devecser, affectedBy, Ajka alumina plant red sludge disaster]
Generated description
The Ajka alumina plant red sludge disaster was a 2010 industrial catastrophe in western Hungary in which a reservoir failure released a torrent of toxic red mud, causing widespread environmental damage, injuries, and fatalities in nearby towns.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ajka alumina plant red sludge disaster Target entity description: The Ajka alumina plant red sludge disaster was a 2010 industrial catastrophe in western Hungary in which a reservoir failure released a torrent of toxic red mud, causing widespread environmental damage, injuries, and fatalities in nearby towns.
-
A.
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.
-
B.
Samarco mining disaster
The Samarco mining disaster was a 2015 dam collapse in Brazil that released millions of tons of iron ore waste, causing widespread environmental devastation and contamination of the Doce River and surrounding communities.
-
C.
Brumadinho
Brumadinho is a municipality in the Brazilian state of Minas Gerais, internationally known for the Inhotim contemporary art institute and for the 2019 mining dam disaster.
-
D.
Fundão dam collapse
The Fundão dam collapse was a catastrophic 2015 mining waste disaster in Brazil that released millions of cubic meters of toxic sludge, causing widespread environmental damage and contamination along the Doce River basin.
-
E.
Sidoarjo mudflow
The Sidoarjo mudflow is a long-lasting industrial mud volcano disaster in East Java, Indonesia, that began erupting in 2006 and has inundated villages, displaced thousands of residents, and sparked major environmental and legal controversies.
- 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_69e0b4fcd678819087a304291f14330a |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6fadab7708190bb3a10bdd3f32d90 |
completed | April 21, 2026, 4:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09278afe48819093d5ed09a15df594 |
completed | May 17, 2026, 2:27 a.m. |
| NEDg | Description generation | batch_6a092849ffcc8190acd608b30edcf5d1 |
completed | May 17, 2026, 2:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0929485ebc8190ab8bc316b3e802ca |
completed | May 17, 2026, 2:34 a.m. |
Created at: April 16, 2026, 1:10 p.m.