Triple

T421383
Position Surface form Disambiguated ID Type / Status
Subject Richmond, Virginia E8109 entity
Predicate containsHistoricSite P1098 FINISHED
Object Tredegar Iron Works
Tredegar Iron Works is a historic 19th-century ironworks complex in Richmond, Virginia, best known as a major supplier of iron and munitions to the Confederate States during the American Civil War.
E53345 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: Tredegar Iron Works | Statement: [Richmond, Virginia, containsHistoricSite, Tredegar Iron Works]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tredegar Iron Works
Context triple: [Richmond, Virginia, containsHistoricSite, Tredegar Iron Works]
  • A. 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.
  • B. Bessemer
    Bessemer is a surname most notably associated with Sir Henry Bessemer, the English inventor who revolutionized steel production in the 19th 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. Lawrence textile mills
    Lawrence textile mills were a major complex of 19th- and early 20th-century industrial textile factories in Lawrence, Massachusetts, that played a central role in New England’s mill economy and American labor history.
  • E. Lorain Steel Company
    Lorain Steel Company was an American steel manufacturer known for operating major steelworks in Lorain, Ohio, that contributed to the region’s industrial growth.
  • 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: Tredegar Iron Works
Triple: [Richmond, Virginia, containsHistoricSite, Tredegar Iron Works]
Generated description
Tredegar Iron Works is a historic 19th-century ironworks complex in Richmond, Virginia, best known as a major supplier of iron and munitions to the Confederate States during the American Civil War.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tredegar Iron Works
Target entity description: Tredegar Iron Works is a historic 19th-century ironworks complex in Richmond, Virginia, best known as a major supplier of iron and munitions to the Confederate States during the American Civil War.
  • A. 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.
  • B. Bessemer
    Bessemer is a surname most notably associated with Sir Henry Bessemer, the English inventor who revolutionized steel production in the 19th 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. Lawrence textile mills
    Lawrence textile mills were a major complex of 19th- and early 20th-century industrial textile factories in Lawrence, Massachusetts, that played a central role in New England’s mill economy and American labor history.
  • E. Lorain Steel Company
    Lorain Steel Company was an American steel manufacturer known for operating major steelworks in Lorain, Ohio, that contributed to the region’s industrial growth.
  • 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_69a2e7f1d1bc81909cf2dc9754a3c334 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eec0e9dc81908c08b209ce5278ef completed Feb. 28, 2026, 1:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69a425453ee08190bbed80bd65729e51 completed March 1, 2026, 11:38 a.m.
NEDg Description generation batch_69a42635b4388190a69f63491b88c466 completed March 1, 2026, 11:42 a.m.
NED2 Entity disambiguation (via description) batch_69a4268e6a5081909660c486d53db99e completed March 1, 2026, 11:44 a.m.
Created at: Feb. 28, 2026, 1:11 p.m.