Triple
T19342180
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Donora Smog Museum |
E483782
|
entity |
| Predicate | significantEvent |
P259
|
FINISHED |
| Object | 1948 Donora smog |
—
|
NE NERFINISHED |
How this triple was built (3 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: 1948 Donora smog | Statement: [Donora Smog Museum, significantEvent, 1948 Donora smog]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1948 Donora smog Context triple: [Donora Smog Museum, significantEvent, 1948 Donora smog]
-
A.
Donora Zinc Works
Donora Zinc Works was a major early 20th-century zinc smelting plant in Donora, Pennsylvania, best known for its role in the deadly 1948 Donora smog incident that spurred modern air pollution regulation in the United States.
-
B.
the Great Stink of 1858
The Great Stink of 1858 was a notorious public health and environmental crisis in London when overwhelming sewage pollution of the River Thames produced such a stench that it spurred major reforms in the city’s sanitation and sewer systems.
-
C.
Donora, Pennsylvania
Donora, Pennsylvania is a small industrial borough along the Monongahela River best known for the deadly 1948 smog disaster that became a landmark event in U.S. environmental history.
-
D.
Bhopal disaster
The Bhopal disaster was a catastrophic 1984 industrial gas leak in Bhopal, India, widely regarded as one of the world’s worst industrial accidents due to its massive death toll and long-term health and environmental impacts.
-
E.
Great Salem Fire of 1914
The Great Salem Fire of 1914 was a devastating urban conflagration in Salem, Massachusetts, that destroyed a large portion of the city’s industrial and residential areas and displaced thousands of residents.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 1948 Donora smog Target entity description: The 1948 Donora smog was a deadly air pollution disaster in Donora, Pennsylvania, where a temperature inversion trapped toxic industrial emissions, causing severe respiratory illness and multiple deaths and spurring major U.S. air quality reforms.
-
A.
Donora Zinc Works
Donora Zinc Works was a major early 20th-century zinc smelting plant in Donora, Pennsylvania, best known for its role in the deadly 1948 Donora smog incident that spurred modern air pollution regulation in the United States.
-
B.
the Great Stink of 1858
The Great Stink of 1858 was a notorious public health and environmental crisis in London when overwhelming sewage pollution of the River Thames produced such a stench that it spurred major reforms in the city’s sanitation and sewer systems.
-
C.
Donora, Pennsylvania
Donora, Pennsylvania is a small industrial borough along the Monongahela River best known for the deadly 1948 smog disaster that became a landmark event in U.S. environmental history.
-
D.
Bhopal disaster
The Bhopal disaster was a catastrophic 1984 industrial gas leak in Bhopal, India, widely regarded as one of the world’s worst industrial accidents due to its massive death toll and long-term health and environmental impacts.
-
E.
Great Salem Fire of 1914
The Great Salem Fire of 1914 was a devastating urban conflagration in Salem, Massachusetts, that destroyed a large portion of the city’s industrial and residential areas and displaced thousands of residents.
- F. None of above. chosen
Provenance (2 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_69d8e8d244f8819080eb1f3491300db2 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e6185795bc8190a63061ca794c0d67 |
completed | April 20, 2026, 12:13 p.m. |
Created at: April 10, 2026, 1:33 p.m.