Triple

T16127493
Position Surface form Disambiguated ID Type / Status
Subject Matthias W. Baldwin E391308 entity
Predicate hasPart P35 FINISHED
Object 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.
E1196051 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: Baldwin Locomotive Works factory complex in Philadelphia | Statement: [Matthias W. Baldwin, hasPart, Baldwin Locomotive Works factory complex in Philadelphia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baldwin Locomotive Works factory complex in Philadelphia
Context triple: [Matthias W. Baldwin, hasPart, Baldwin Locomotive Works factory complex in Philadelphia]
  • A. Pennsylvania Railroad Altoona Works
    Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
  • B. 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).
  • C. 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.
  • D. 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).
  • E. Bessemer steel works at Harrisburg, Pennsylvania
    The Bessemer steel works at Harrisburg, Pennsylvania was a 19th-century industrial plant that produced steel using the Bessemer process, contributing to the rapid expansion of American railroads and heavy industry.
  • 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: Baldwin Locomotive Works factory complex in Philadelphia
Triple: [Matthias W. Baldwin, hasPart, Baldwin Locomotive Works factory complex in Philadelphia]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Baldwin Locomotive Works factory complex in Philadelphia
Target entity description: 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.
  • A. Pennsylvania Railroad Altoona Works
    Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
  • B. 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).
  • C. 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.
  • D. 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).
  • E. Bessemer steel works at Harrisburg, Pennsylvania
    The Bessemer steel works at Harrisburg, Pennsylvania was a 19th-century industrial plant that produced steel using the Bessemer process, contributing to the rapid expansion of American railroads and heavy industry.
  • 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_69d87f1bb0988190b490d273dbf3fd03 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e20205bed48190a6930439738da191 completed April 17, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69fff2adf5848190a1dd58bc76dd4ffd completed May 10, 2026, 2:51 a.m.
NEDg Description generation batch_69fff3b375d48190a958b34c5df5c5f1 completed May 10, 2026, 2:55 a.m.
NED2 Entity disambiguation (via description) batch_69fff447e1248190a3a1386946172429 completed May 10, 2026, 2:58 a.m.
Created at: April 10, 2026, 5 a.m.