Triple
T4923686
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U.S. Steel Mon Valley Works |
E110524
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Clairton Plant |
E110524
|
NE FINISHED |
How this triple was built (2 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: [U.S. Steel Mon Valley Works, hasPart, Clairton Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Clairton Plant Context triple: [U.S. Steel Mon Valley Works, hasPart, Clairton Plant]
-
A.
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.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
U.S. Steel Mon Valley Works
chosen
U.S. Steel Mon Valley Works is an integrated steel production complex in Pennsylvania operated by United States Steel Corporation, encompassing multiple facilities that manufacture and finish steel products for various industrial markets.
-
D.
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.
-
E.
Edgar Thomson Steel Works
Edgar Thomson Steel Works is a historic integrated steel mill in Braddock, Pennsylvania, long associated with Andrew Carnegie and regarded as one of the oldest continuously operating steel plants in the United States.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd4413f9908190afcff44d7929cc4c |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6ffd46748190843fed99f02fd8d5 |
completed | March 20, 2026, 4:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77a6e1648190921487e3d81441b3 |
completed | March 21, 2026, 10:49 a.m. |
Created at: March 20, 2026, 1:30 p.m.