Triple

T9962277
Position Surface form Disambiguated ID Type / Status
Subject Johnstown, Pennsylvania E195596 entity
Predicate hasLandmark P105 FINISHED
Object Cambria Iron Company National Historic Landmark
The Cambria Iron Company National Historic Landmark is a preserved industrial site in Johnstown, Pennsylvania, that commemorates one of the nation’s most significant 19th-century iron and steel works.
E831981 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: Cambria Iron Company National Historic Landmark | Statement: [Johnstown, Pennsylvania, hasLandmark, Cambria Iron Company National Historic Landmark]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cambria Iron Company National Historic Landmark
Context triple: [Johnstown, Pennsylvania, hasLandmark, Cambria Iron Company National Historic Landmark]
  • A. Sloss Furnaces National Historic Landmark
    Sloss Furnaces National Historic Landmark is a preserved 19th- and 20th-century iron-producing blast furnace complex in Birmingham, Alabama, that now serves as a museum and cultural site highlighting the city’s industrial heritage.
  • B. Scranton Iron Furnaces
    Scranton Iron Furnaces is a historic 19th-century iron-making complex in Scranton, Pennsylvania, that preserves massive stone blast furnace stacks as a reminder of the city’s industrial and anthracite iron heritage.
  • C. Phoenix Iron Company Foundry Building
    The Phoenix Iron Company Foundry Building is a historic 19th-century industrial structure in Phoenixville, Pennsylvania, associated with the town’s prominent iron and steel manufacturing heritage.
  • D. Adirondack Iron and Steel Company Furnace
    Adirondack Iron and Steel Company Furnace is a historic 19th-century iron smelting furnace whose preserved remains reflect the early industrial and mining history of the Adirondack region.
  • E. Cornwall Iron Furnace
    Cornwall Iron Furnace is a preserved 18th- and 19th-century iron-making complex in Cornwall, Pennsylvania, that showcases one of the most complete surviving charcoal-fueled blast furnaces 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: Cambria Iron Company National Historic Landmark
Triple: [Johnstown, Pennsylvania, hasLandmark, Cambria Iron Company National Historic Landmark]
Generated description
The Cambria Iron Company National Historic Landmark is a preserved industrial site in Johnstown, Pennsylvania, that commemorates one of the nation’s most significant 19th-century iron and steel works.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cambria Iron Company National Historic Landmark
Target entity description: The Cambria Iron Company National Historic Landmark is a preserved industrial site in Johnstown, Pennsylvania, that commemorates one of the nation’s most significant 19th-century iron and steel works.
  • A. Sloss Furnaces National Historic Landmark
    Sloss Furnaces National Historic Landmark is a preserved 19th- and 20th-century iron-producing blast furnace complex in Birmingham, Alabama, that now serves as a museum and cultural site highlighting the city’s industrial heritage.
  • B. Scranton Iron Furnaces
    Scranton Iron Furnaces is a historic 19th-century iron-making complex in Scranton, Pennsylvania, that preserves massive stone blast furnace stacks as a reminder of the city’s industrial and anthracite iron heritage.
  • C. Phoenix Iron Company Foundry Building
    The Phoenix Iron Company Foundry Building is a historic 19th-century industrial structure in Phoenixville, Pennsylvania, associated with the town’s prominent iron and steel manufacturing heritage.
  • D. Adirondack Iron and Steel Company Furnace
    Adirondack Iron and Steel Company Furnace is a historic 19th-century iron smelting furnace whose preserved remains reflect the early industrial and mining history of the Adirondack region.
  • E. Cornwall Iron Furnace
    Cornwall Iron Furnace is a preserved 18th- and 19th-century iron-making complex in Cornwall, Pennsylvania, that showcases one of the most complete surviving charcoal-fueled blast furnaces 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_69ca82ebd1288190912f9e4482d1fa35 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb6d37f0c8190946b958c399f3250 completed April 2, 2026, 12:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23d904bbc8190ac0b28600ed2e709 completed April 5, 2026, 10:46 a.m.
NEDg Description generation batch_69d23fa1e3288190b755b3966178ad52 completed April 5, 2026, 10:55 a.m.
NED2 Entity disambiguation (via description) batch_69d24077720c81909a43ff56627095a1 completed April 5, 2026, 10:59 a.m.
Created at: March 30, 2026, 8:47 p.m.