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.