Triple
T4972507
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Donora, Pennsylvania |
E111686
|
entity |
| Predicate | historicalEmployer |
P1910
|
FINISHED |
| Object |
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.
|
E484486
|
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: Donora Zinc Works | Statement: [Donora, Pennsylvania, historicalEmployer, Donora Zinc Works]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Donora Zinc Works Context triple: [Donora, Pennsylvania, historicalEmployer, Donora Zinc Works]
-
A.
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.
-
B.
Sulphur Works
Sulphur Works is a hydrothermal area in Lassen Volcanic National Park known for its boiling mud pots, steam vents, and strong sulfurous fumes.
-
C.
Coal City
Coal City is the popular nickname of Enugu, a major city in southeastern Nigeria historically known for its rich coal deposits and mining industry.
-
D.
Coal City
Coal City is a small unincorporated community in southern West Virginia, historically associated with the region’s coal mining industry.
-
E.
Clairton, Pennsylvania
Clairton, Pennsylvania is a small industrial city in the Pittsburgh metropolitan area, historically known for its large coke production plant along the Monongahela River.
- 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: Donora Zinc Works Triple: [Donora, Pennsylvania, historicalEmployer, Donora Zinc Works]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Donora Zinc Works Target entity description: 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.
-
A.
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.
-
B.
Sulphur Works
Sulphur Works is a hydrothermal area in Lassen Volcanic National Park known for its boiling mud pots, steam vents, and strong sulfurous fumes.
-
C.
Coal City
Coal City is the popular nickname of Enugu, a major city in southeastern Nigeria historically known for its rich coal deposits and mining industry.
-
D.
Coal City
Coal City is a small unincorporated community in southern West Virginia, historically associated with the region’s coal mining industry.
-
E.
Clairton, Pennsylvania
Clairton, Pennsylvania is a small industrial city in the Pittsburgh metropolitan area, historically known for its large coke production plant along the Monongahela River.
- 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_69bd441a0eb481908050fa4273b19eae |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd77c9fc7c8190b165a5cfd5889ba8 |
completed | March 20, 2026, 4:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be89fddbb8819084c8c21ee0ce845e |
completed | March 21, 2026, 12:07 p.m. |
| NEDg | Description generation | batch_69be8add3f148190a7ebe6df3a562b04 |
completed | March 21, 2026, 12:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69be8b57411c819082fe711485fe2821 |
completed | March 21, 2026, 12:13 p.m. |
Created at: March 20, 2026, 1:33 p.m.