Triple
T12049703
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coatesville, Pennsylvania |
E286882
|
entity |
| Predicate | hasMajorEmployer |
P588
|
FINISHED |
| Object |
Lukens Steel Company
Lukens Steel Company is a historic American steel manufacturer known for producing large steel plates and playing a central role in the industrial development of Coatesville, Pennsylvania.
|
E961582
|
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: Lukens Steel Company | Statement: [Coatesville, Pennsylvania, hasMajorEmployer, Lukens Steel Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lukens Steel Company Context triple: [Coatesville, Pennsylvania, hasMajorEmployer, Lukens Steel Company]
-
A.
American Steel Foundries
American Steel Foundries was a major early 20th-century U.S. industrial company specializing in the manufacture of steel castings and components for the railroad and heavy machinery industries.
-
B.
Federal Steel Company
Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
-
C.
Midvale Steel Company
Midvale Steel Company was an American steel manufacturer best known as the workplace where Frederick Winslow Taylor developed and tested the principles of scientific management.
-
D.
Republic Iron and Steel Company
Republic Iron and Steel Company was a major early 20th-century American steel manufacturer that played a significant role in the development of the U.S. iron and steel industry.
-
E.
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.
- 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: Lukens Steel Company Triple: [Coatesville, Pennsylvania, hasMajorEmployer, Lukens Steel Company]
Generated description
Lukens Steel Company is a historic American steel manufacturer known for producing large steel plates and playing a central role in the industrial development of Coatesville, Pennsylvania.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lukens Steel Company Target entity description: Lukens Steel Company is a historic American steel manufacturer known for producing large steel plates and playing a central role in the industrial development of Coatesville, Pennsylvania.
-
A.
American Steel Foundries
American Steel Foundries was a major early 20th-century U.S. industrial company specializing in the manufacture of steel castings and components for the railroad and heavy machinery industries.
-
B.
Federal Steel Company
Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
-
C.
Midvale Steel Company
Midvale Steel Company was an American steel manufacturer best known as the workplace where Frederick Winslow Taylor developed and tested the principles of scientific management.
-
D.
Republic Iron and Steel Company
Republic Iron and Steel Company was a major early 20th-century American steel manufacturer that played a significant role in the development of the U.S. iron and steel industry.
-
E.
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.
- 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_69d6ab4780948190bdb9f7620c2ac27e |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d904227958819084dbd5eb2566c735 |
completed | April 10, 2026, 2:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f49dd140a48190844f64c228e6367a |
completed | May 1, 2026, 12:34 p.m. |
| NEDg | Description generation | batch_69f53d95d4fc8190b5f4e460646bec2a |
completed | May 1, 2026, 11:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f564b826ec819098906cf735e45093 |
completed | May 2, 2026, 2:43 a.m. |
Created at: April 8, 2026, 9:47 p.m.