Triple
T165049
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mon Valley Works |
E2995
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
Clairton Plant
Clairton Plant is a major U.S. Steel coke production facility located in the Mon Valley near Pittsburgh, Pennsylvania.
|
E2995
|
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: Clairton Plant | Statement: [Mon Valley Works, hasPart, Clairton Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Clairton Plant Context triple: [Mon Valley Works, hasPart, Clairton Plant]
-
A.
U.S. Steel Gary Works complex
The U.S. Steel Gary Works complex is a major integrated steel production facility in Gary, Indiana, historically one of the largest steel mills in the world and a cornerstone of American heavy industry.
-
B.
Bowling Green Assembly Plant
Bowling Green Assembly Plant is a General Motors manufacturing facility in Kentucky best known as the exclusive production site of the Chevrolet Corvette sports car.
-
C.
SIVA chemical factory
SIVA chemical factory was an Italian industrial plant where writer and chemist Primo Levi worked as a chemist after surviving World War II.
-
D.
Bessemer
Bessemer is a surname most notably associated with Sir Henry Bessemer, the English inventor who revolutionized steel production in the 19th century.
-
E.
Mon Valley Works
Mon Valley Works is a large integrated steel production complex in Pennsylvania operated by United States Steel that manufactures a range of steel products for industrial and commercial use.
- 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: Clairton Plant Triple: [Mon Valley Works, hasPart, Clairton Plant]
Generated description
Clairton Plant is a major U.S. Steel coke production facility located in the Mon Valley near Pittsburgh, Pennsylvania.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Clairton Plant Target entity description: Clairton Plant is a major U.S. Steel coke production facility located in the Mon Valley near Pittsburgh, Pennsylvania.
-
A.
U.S. Steel Gary Works complex
The U.S. Steel Gary Works complex is a major integrated steel production facility in Gary, Indiana, historically one of the largest steel mills in the world and a cornerstone of American heavy industry.
-
B.
Bowling Green Assembly Plant
Bowling Green Assembly Plant is a General Motors manufacturing facility in Kentucky best known as the exclusive production site of the Chevrolet Corvette sports car.
-
C.
SIVA chemical factory
SIVA chemical factory was an Italian industrial plant where writer and chemist Primo Levi worked as a chemist after surviving World War II.
-
D.
Bessemer
Bessemer is a surname most notably associated with Sir Henry Bessemer, the English inventor who revolutionized steel production in the 19th century.
-
E.
Mon Valley Works
chosen
Mon Valley Works is a large integrated steel production complex in Pennsylvania operated by United States Steel that manufactures a range of steel products for industrial and commercial use.
- F. None of above.
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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a258827da481909b20ea5e9d21676f |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2e7e236708190b9e4551b4442873c |
completed | Feb. 28, 2026, 1:04 p.m. |
| NEDg | Description generation | batch_69a2ea06ec488190a01d2759ee9f7b6d |
completed | Feb. 28, 2026, 1:13 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2eaab2c848190840b1d6cae270ffb |
completed | Feb. 28, 2026, 1:16 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.