Triple

T18878002
Position Surface form Disambiguated ID Type / Status
Subject Wilmerding, Pennsylvania E461737 entity
Predicate hasLandmark P105 FINISHED
Object Westinghouse Air Brake Company factory complex — NE NERFINISHED

How this triple was built (3 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: Westinghouse Air Brake Company factory complex | Statement: [Wilmerding, Pennsylvania, hasLandmark, Westinghouse Air Brake Company factory complex]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Westinghouse Air Brake Company factory complex
Context triple: [Wilmerding, Pennsylvania, hasLandmark, Westinghouse Air Brake Company factory complex]
  • A. Pullman Works
    Pullman Works was a major railcar manufacturing and repair facility historically associated with the Pullman Company in Chicago, Illinois.
  • B. Schenectady Locomotive Works
    Schenectady Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives based in Schenectady, New York, that later became a key component of the American Locomotive Company (ALCO).
  • C. Manchester Locomotive Works
    Manchester Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • D. Pittsburgh Locomotive and Car Works
    Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
  • E. Baldwin Locomotive Works factory complex in Philadelphia
    The Baldwin Locomotive Works factory complex in Philadelphia was a major 19th- and early 20th-century industrial site where many of the United States’ steam locomotives were designed and built.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Westinghouse Air Brake Company factory complex
Target entity description: The Westinghouse Air Brake Company factory complex is a historic industrial site in Wilmerding, Pennsylvania, that once housed the pioneering manufacturer of railway air brake systems founded by George Westinghouse.
  • A. Pullman Works
    Pullman Works was a major railcar manufacturing and repair facility historically associated with the Pullman Company in Chicago, Illinois.
  • B. Schenectady Locomotive Works
    Schenectady Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives based in Schenectady, New York, that later became a key component of the American Locomotive Company (ALCO).
  • C. Manchester Locomotive Works
    Manchester Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • D. Pittsburgh Locomotive and Car Works
    Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
  • E. Baldwin Locomotive Works factory complex in Philadelphia
    The Baldwin Locomotive Works factory complex in Philadelphia was a major 19th- and early 20th-century industrial site where many of the United States’ steam locomotives were designed and built.
  • F. None of above. chosen

Provenance (2 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_69d8dcfc3430819095ee6fc0eb4c06a5 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c3cfc4408190a7ae91459f75be52 completed April 20, 2026, 6:12 a.m.
Created at: April 10, 2026, 11:57 a.m.