Triple

T20205785
Position Surface form Disambiguated ID Type / Status
Subject Baldwin-Lima-Hamilton Corporation E493345 entity
Predicate formedByMergerOf P77 FINISHED
Object Whitcomb Locomotive Company — 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: Whitcomb Locomotive Company | Statement: [Baldwin-Lima-Hamilton Corporation, formedByMergerOf, Whitcomb Locomotive Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Whitcomb Locomotive Company
Context triple: [Baldwin-Lima-Hamilton Corporation, formedByMergerOf, Whitcomb Locomotive Company]
  • A. Cooke Locomotive and Machine Works
    Cooke Locomotive and Machine Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • B. Brooks Locomotive Works
    Brooks Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • C. Baldwin Locomotive Works
    Baldwin Locomotive Works was a major American manufacturer of steam, diesel, and electric locomotives that played a central role in the development of railroad transportation in the 19th and early 20th centuries.
  • D. Rogers Locomotive Works
    Rogers Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that became part of the American Locomotive Company through consolidation.
  • E. Richmond Locomotive Works
    Richmond Locomotive Works was a prominent 19th- and early 20th-century American manufacturer of steam locomotives based in Richmond, Virginia.
  • 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: Whitcomb Locomotive Company
Target entity description: Whitcomb Locomotive Company was an American manufacturer known for producing industrial and small diesel locomotives in the early to mid-20th century.
  • A. Cooke Locomotive and Machine Works
    Cooke Locomotive and Machine Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • B. Brooks Locomotive Works
    Brooks Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • C. Baldwin Locomotive Works
    Baldwin Locomotive Works was a major American manufacturer of steam, diesel, and electric locomotives that played a central role in the development of railroad transportation in the 19th and early 20th centuries.
  • D. Rogers Locomotive Works
    Rogers Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that became part of the American Locomotive Company through consolidation.
  • E. Richmond Locomotive Works
    Richmond Locomotive Works was a prominent 19th- and early 20th-century American manufacturer of steam locomotives based in Richmond, Virginia.
  • 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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66d922ebc8190ae012da8ceba74dd completed April 20, 2026, 6:16 p.m.
Created at: April 11, 2026, 11:38 p.m.