Triple
T19300737
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ladies Auxiliary of the Brotherhood of Sleeping Car Porters |
E482687
|
entity |
| Predicate | parentOrganization |
P254
|
FINISHED |
| Object | Brotherhood of Sleeping Car Porters |
—
|
NE NERFINISHED |
How this triple was built (2 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: Brotherhood of Sleeping Car Porters | Statement: [Ladies Auxiliary of the Brotherhood of Sleeping Car Porters, parentOrganization, Brotherhood of Sleeping Car Porters]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brotherhood of Sleeping Car Porters Context triple: [Ladies Auxiliary of the Brotherhood of Sleeping Car Porters, parentOrganization, Brotherhood of Sleeping Car Porters]
-
A.
Brotherhood of Sleeping Car Porters
chosen
The Brotherhood of Sleeping Car Porters was the first major African American labor union in the United States, representing railroad sleeping car porters and playing a key role in the broader civil rights and labor movements.
-
B.
Loray Mill strike of 1929
The Loray Mill strike of 1929 was a major and violently suppressed textile workers’ labor strike in Gastonia, North Carolina, that became a landmark conflict in U.S. labor history.
-
C.
Pullman porters
Pullman porters were African American railroad workers who provided service to passengers on luxury sleeping cars and became a symbol of Black middle-class opportunity and early civil rights organizing in the United States.
-
D.
Pullman Strike
The Pullman Strike was a landmark 1894 nationwide railroad workers’ strike in the United States that highlighted deep labor tensions and led to significant federal intervention in industrial disputes.
-
E.
Ladies Auxiliary of the Brotherhood of Sleeping Car Porters
The Ladies Auxiliary of the Brotherhood of Sleeping Car Porters was the women’s organization that supported and advanced the labor and civil rights efforts of the pioneering African American railway porters’ union.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e8d04d5c8190baa816986f2b1d1e |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fc895c68819096d06746f1b84e06 |
completed | April 20, 2026, 10:14 a.m. |
Created at: April 10, 2026, 1:31 p.m.