Triple
T4771615
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Schenectady Locomotive Works |
E105938
|
entity |
| Predicate | parentCompanyAfter1901 |
P5440
|
FINISHED |
| Object | American Locomotive Company |
E19263
|
NE FINISHED |
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: American Locomotive Company | Statement: [Schenectady Locomotive Works, parentCompanyAfter1901, American Locomotive Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: American Locomotive Company Context triple: [Schenectady Locomotive Works, parentCompanyAfter1901, American Locomotive Company]
-
A.
American Locomotive Company
chosen
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.
-
B.
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.
-
C.
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).
-
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.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: parentCompanyAfter1901 Context triple: [Schenectady Locomotive Works, parentCompanyAfter1901, American Locomotive Company]
-
A.
ultimateParentCompany
Indicates that one company is the highest-level controlling entity in a corporate ownership structure, with no parent company above it.
-
B.
formerParentCompany
Indicates that one entity previously served as the parent company of another but no longer holds that status.
-
C.
parentCompanyAtStartOfPeriod
Indicates that one entity was the parent company of another at the beginning of a specified time period.
-
D.
laterParentCompany
Indicates that one entity became the parent company of another entity at a later point in time, after some prior state or relationship.
-
E.
parentCompanyAfterMerger
chosen
Indicates that one company is the resulting parent company of another following a merger.
- F. None of above.
Provenance (4 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_69bd43f226fc8190b867cc249c2a9042 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd655e5dcc8190a932be9b1baaffb2 |
completed | March 20, 2026, 3:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be778681e48190980996b7cf2f3b05 |
completed | March 21, 2026, 10:48 a.m. |
| PD | Predicate disambiguation | batch_69bd6229d8448190a271719e5e30fd82 |
completed | March 20, 2026, 3:05 p.m. |
Created at: March 20, 2026, 1:21 p.m.