Triple
T21919
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad Company |
E435
|
entity |
| Predicate | parentCompanyOf |
P254
|
FINISHED |
| Object | Pennsylvania Company (holding company) |
E1195
|
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: Pennsylvania Company (holding company) | Statement: [Pennsylvania Railroad Company, parentCompanyOf, Pennsylvania Company (holding company)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Company (holding company) Context triple: [Pennsylvania Railroad Company, parentCompanyOf, Pennsylvania Company (holding company)]
-
A.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
B.
Carnegie Steel Company
Carnegie Steel Company was a dominant late-19th-century American steel producer that played a central role in the expansion of the U.S. steel industry and the rise of modern industrial capitalism.
-
C.
Dutch West India Company
The Dutch West India Company was a powerful 17th-century chartered company of the Dutch Republic that dominated Atlantic trade, including sugar, slaves, and colonial enterprises in the Americas and West Africa.
-
D.
United States Steel Corporation
United States Steel Corporation is a major American steel-producing company formed in 1901 through the consolidation of several steel businesses, becoming the world’s first billion-dollar corporation.
-
E.
Bonbright and Company
chosen
Bonbright and Company was a prominent early 20th-century American investment banking firm known for its work in public utilities and infrastructure finance.
- 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: parentCompanyOf Context triple: [Pennsylvania Railroad Company, parentCompanyOf, Pennsylvania Company (holding company)]
-
A.
parentOrganization
chosen
Indicates that one organization is the higher-level or owning entity in an organizational hierarchy relative to another organization.
-
B.
residentCompany
Indicates that a company is based in, operates from, or has its primary residence in a particular location or jurisdiction.
-
C.
charteredCompany
Indicates that a company has been formally established and granted specific rights or privileges through an official charter, typically by a government or sovereign authority.
-
D.
majorTradingCompany
Indicates that the subject is a principal or highly significant company engaged in large-scale trading activities with the object.
-
E.
organizationAssociatedWith
Indicates that there is a formal or recognized connection or affiliation between an organization and another entity.
- 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_69a243b4ac2c8190b93c303df797b7b2 |
completed | Feb. 28, 2026, 1:24 a.m. |
| NER | Named-entity recognition | batch_69a246e94ca881908f7a7d2c0b293033 |
completed | Feb. 28, 2026, 1:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e59b35c8190a192ed9095a8756d |
completed | Feb. 28, 2026, 2:09 a.m. |
| PD | Predicate disambiguation | batch_69a24654724481909ba14b7f68d2a472 |
completed | Feb. 28, 2026, 1:35 a.m. |
Created at: Feb. 28, 2026, 1:34 a.m.