Triple
T11807492
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pullman sleeping car |
E280785
|
entity |
| Predicate | associatedWith |
P37
|
FINISHED |
| Object | Pullman porters |
E278606
|
NE FINISHED |
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: Pullman porters | Statement: [Pullman sleeping car, associatedWith, Pullman porters]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pullman porters Context triple: [Pullman sleeping car, associatedWith, Pullman porters]
-
A.
Pullman porters
chosen
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.
-
B.
Brotherhood of Sleeping Car Porters
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.
-
C.
Carpetbaggers
"Carpetbaggers" is a song by Neko Case from her album "Middle Cyclone," featuring guest vocals by M. Ward and known for its gritty, narrative-driven indie rock style.
-
D.
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.
-
E.
DuBois
DuBois is a small city in western Pennsylvania known historically for its coal and lumber industries and its role as a regional commercial center.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab26aae88190b2489efcb2a24234 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a5c93a1881909b428bf3ed55bb57 |
completed | April 10, 2026, 7:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f131726ab08190ae777bee3ac6df43 |
completed | April 28, 2026, 10:15 p.m. |
Created at: April 8, 2026, 9:42 p.m.