Triple

T998166
Position Surface form Disambiguated ID Type / Status
Subject Fairfield, Alabama E21541 entity
Predicate foundedBy P104 FINISHED
Object Tennessee Coal, Iron and Railroad Company
Tennessee Coal, Iron and Railroad Company was a major Southern industrial firm that played a key role in the development of the U.S. steel and mining industries, particularly in Alabama.
E122248 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: Tennessee Coal, Iron and Railroad Company | Statement: [Fairfield, Alabama, foundedBy, Tennessee Coal, Iron and Railroad Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tennessee Coal, Iron and Railroad Company
Context triple: [Fairfield, Alabama, foundedBy, Tennessee Coal, Iron and Railroad Company]
  • A. 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.
  • B. Carnegie Steel Company
    Carnegie Steel Company was a dominant late-19th-century American steel producer that played a central role in the expansion of the U.S. steel industry and the rise of modern industrial capitalism.
  • C. Illinois Steel Company
    Illinois Steel Company was a major late-19th-century American steel producer based in the Chicago area that later became part of the U.S. Steel conglomerate.
  • 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. Chesapeake and Ohio Railway
    The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
  • 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: Tennessee Coal, Iron and Railroad Company
Triple: [Fairfield, Alabama, foundedBy, Tennessee Coal, Iron and Railroad Company]
Generated description
Tennessee Coal, Iron and Railroad Company was a major Southern industrial firm that played a key role in the development of the U.S. steel and mining industries, particularly in Alabama.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tennessee Coal, Iron and Railroad Company
Target entity description: Tennessee Coal, Iron and Railroad Company was a major Southern industrial firm that played a key role in the development of the U.S. steel and mining industries, particularly in Alabama.
  • A. 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.
  • B. Carnegie Steel Company
    Carnegie Steel Company was a dominant late-19th-century American steel producer that played a central role in the expansion of the U.S. steel industry and the rise of modern industrial capitalism.
  • C. Illinois Steel Company
    Illinois Steel Company was a major late-19th-century American steel producer based in the Chicago area that later became part of the U.S. Steel conglomerate.
  • 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. Chesapeake and Ohio Railway
    The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
  • 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_69a493c476b48190b41fc5e793171cc6 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4e2ad9c81908a0f488d3f261fc3 completed March 1, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac3ba52ebc819084e3d003a3ec8417 completed March 7, 2026, 2:52 p.m.
NEDg Description generation batch_69ac3f131bc081909338b8a1b2e4b4e0 completed March 7, 2026, 3:06 p.m.
NED2 Entity disambiguation (via description) batch_69ac3f88e56081909d07f088a4e9954a completed March 7, 2026, 3:08 p.m.
Created at: March 1, 2026, 7:41 p.m.