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.