Triple
T398990
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Federal Steel Company |
E9236
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object |
Minnesota Iron Company
Minnesota Iron Company was a major iron mining and ore production firm in Minnesota that operated as a subsidiary within the larger U.S. steel industry.
|
E50404
|
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: Minnesota Iron Company | Statement: [Federal Steel Company, hasSubsidiary, Minnesota Iron Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Minnesota Iron Company Context triple: [Federal Steel Company, hasSubsidiary, Minnesota Iron Company]
-
A.
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.
-
B.
U. S. Steel Mining
U. S. Steel Mining is a mining subsidiary of United States Steel Corporation that focuses on extracting and supplying raw materials, primarily coal and iron ore, for steel production.
-
C.
Birmingham Steel and Iron Company
Birmingham Steel and Iron Company was an early 20th-century industrial firm in Birmingham, Alabama, known for its role in the city’s iron and steel production and for casting the iconic Vulcan statue.
-
D.
National Steel Company
National Steel Company was a major early American steel producer that became part of the conglomerate later known as U.S. Steel.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- 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: Minnesota Iron Company Triple: [Federal Steel Company, hasSubsidiary, Minnesota Iron Company]
Generated description
Minnesota Iron Company was a major iron mining and ore production firm in Minnesota that operated as a subsidiary within the larger U.S. steel industry.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Minnesota Iron Company Target entity description: Minnesota Iron Company was a major iron mining and ore production firm in Minnesota that operated as a subsidiary within the larger U.S. steel industry.
-
A.
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.
-
B.
U. S. Steel Mining
U. S. Steel Mining is a mining subsidiary of United States Steel Corporation that focuses on extracting and supplying raw materials, primarily coal and iron ore, for steel production.
-
C.
Birmingham Steel and Iron Company
Birmingham Steel and Iron Company was an early 20th-century industrial firm in Birmingham, Alabama, known for its role in the city’s iron and steel production and for casting the iconic Vulcan statue.
-
D.
National Steel Company
National Steel Company was a major early American steel producer that became part of the conglomerate later known as U.S. Steel.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- 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_69a2e8004cb88190b92ed1add6abf41a |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2ec8d0ca881909d786e8eed9b6748 |
completed | Feb. 28, 2026, 1:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a40ad94f88819082f718548331037b |
completed | March 1, 2026, 9:46 a.m. |
| NEDg | Description generation | batch_69a40cdbc3d48190be0716621ded5942 |
completed | March 1, 2026, 9:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a40d3376648190aca839b9a56d4edd |
completed | March 1, 2026, 9:56 a.m. |
Created at: Feb. 28, 2026, 1:08 p.m.