Triple
T4969553
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brotherhood of Sleeping Car Porters |
E111613
|
entity |
| Predicate | notableLeader |
P304
|
FINISHED |
| Object | Milton P. Webster |
E604949
|
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: Milton P. Webster | Statement: [Brotherhood of Sleeping Car Porters, notableLeader, Milton P. Webster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Milton P. Webster Context triple: [Brotherhood of Sleeping Car Porters, notableLeader, Milton P. Webster]
-
A.
Milton P. Webster
chosen
Milton P. Webster was an influential African American labor leader and civil rights activist who helped organize and lead the Brotherhood of Sleeping Car Porters, the first major Black labor union in the United States.
-
B.
William A. Pitney
William A. Pitney was the husband of Academy Award–winning American character actress Jane Darwell.
-
C.
Edward B. Burling
Edward B. Burling was an American lawyer and prominent Washington, D.C. legal figure best known as a co-founder of the influential law firm Covington & Burling.
-
D.
John T. Trowbridge
John T. Trowbridge was a 19th-century American author and poet known for his popular juvenile fiction, essays, and antislavery writings.
-
E.
Edmund H. North
Edmund H. North was an American screenwriter best known for his work on classic mid-20th-century Hollywood films, including the science fiction landmark "The Day the Earth Stood Still."
- 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_69bd441a0eb481908050fa4273b19eae |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd721221b88190916feb9b4f049195 |
completed | March 20, 2026, 4:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6eebbef8c8190ad00760312e40924 |
completed | March 27, 2026, 8:55 p.m. |
Created at: March 20, 2026, 1:32 p.m.