Triple
T6873048
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Clairton, Pennsylvania |
E158598
|
entity |
| Predicate | hasIndustrialFacility |
P12416
|
FINISHED |
| Object | U.S. Steel 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: U.S. Steel Clairton Plant | Statement: [Clairton, Pennsylvania, hasIndustrialFacility, U.S. Steel Clairton Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Steel Clairton Plant Context triple: [Clairton, Pennsylvania, hasIndustrialFacility, U.S. Steel Clairton Plant]
-
A.
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.
-
B.
Bethlehem Steel Sparrows Point steel mill
Bethlehem Steel Sparrows Point steel mill was once one of the world’s largest steel-producing complexes, located on the Sparrows Point peninsula near Baltimore, Maryland, and a major center of American industrial manufacturing in the 20th century.
-
C.
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.
-
D.
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.
-
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_69c68832af1481908ce356e133ebaebe |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d8c73ea08190b6bb1463e7ead47b |
completed | March 27, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c742af0df88190bb23b7495c279e08 |
completed | March 28, 2026, 2:53 a.m. |
Created at: March 27, 2026, 2:22 p.m.