Triple

T11390
Position Surface form Disambiguated ID Type / Status
Subject Carnegie Steel Company E232 entity
Predicate operatedIn P40 FINISHED
Object Duquesne, Pennsylvania
Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
 E19104 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: Duquesne, Pennsylvania | Statement: [Carnegie Steel Company, operatedIn, Duquesne, Pennsylvania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Duquesne, Pennsylvania
Context triple: [Carnegie Steel Company, operatedIn, Duquesne, Pennsylvania]
  • A. Homestead, Pennsylvania
    Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
  • B. Braddock, Pennsylvania
    Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
  • C. West Philadelphia
    West Philadelphia is a large, historically diverse section of Philadelphia known for its residential neighborhoods, cultural institutions, and major universities.
  • D. Philadelphia
    Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
  • E. Pittsburgh region
    The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
  • 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: Duquesne, Pennsylvania
Triple: [Carnegie Steel Company, operatedIn, Duquesne, Pennsylvania]
Generated description
Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Duquesne, Pennsylvania
Target entity description: Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
  • A. Homestead, Pennsylvania
    Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
  • B. Braddock, Pennsylvania
    Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
  • C. West Philadelphia
    West Philadelphia is a large, historically diverse section of Philadelphia known for its residential neighborhoods, cultural institutions, and major universities.
  • D. Philadelphia
    Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
  • E. Pittsburgh region
    The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
  • 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_69a23d7ad88c8190bffe8ab091d86642 completed Feb. 28, 2026, 12:57 a.m.
NER Named-entity recognition batch_69a2465b2cf881908bf61c461e04cf6a completed Feb. 28, 2026, 1:35 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2ce31b6108190a7c2f349db99f009 completed Feb. 28, 2026, 11:14 a.m.
NEDg Description generation batch_69a2cf2748e48190aa071063e74a0aa6 completed Feb. 28, 2026, 11:19 a.m.
NED2 Entity disambiguation (via description) batch_69a2cfd8ded081908ba70608ba80cebb completed Feb. 28, 2026, 11:22 a.m.
Created at: Feb. 28, 2026, 1:02 a.m.