Triple

T892207
Position Surface form Disambiguated ID Type / Status
Subject American Locomotive Company E19263 entity
Predicate formedByMergerOf P77 FINISHED
Object 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).
 E108150 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: Cooke Locomotive and Machine Works | Statement: [American Locomotive Company, formedByMergerOf, Cooke Locomotive and Machine Works]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cooke Locomotive and Machine Works
Context triple: [American Locomotive Company, formedByMergerOf, Cooke Locomotive and Machine Works]
  • A. 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).
  • 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. American Locomotive Company
    The American Locomotive Company was a major U.S. manufacturer of steam and diesel locomotives and other heavy machinery in the late 19th and early 20th centuries.
  • D. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • E. Homestead Steel Works
    Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
  • 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: Cooke Locomotive and Machine Works
Triple: [American Locomotive Company, formedByMergerOf, Cooke Locomotive and Machine Works]
Generated description
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).
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cooke Locomotive and Machine Works
Target entity description: 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).
  • A. 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).
  • 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. American Locomotive Company
    The American Locomotive Company was a major U.S. manufacturer of steam and diesel locomotives and other heavy machinery in the late 19th and early 20th centuries.
  • D. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • E. Homestead Steel Works
    Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
  • 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_69a4939d37188190848be3d426ebc9ae completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ad0304b081908d4c92bb2beadb81 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7cf5824608190beb2c934d4986219 completed March 4, 2026, 6:21 a.m.
NEDg Description generation batch_69a7cff6d01c81909c838fe9b2242e2a completed March 4, 2026, 6:23 a.m.
NED2 Entity disambiguation (via description) batch_69a7d066a3488190b4737ab9e8093892 completed March 4, 2026, 6:25 a.m.
Created at: March 1, 2026, 7:39 p.m.