Triple

T4969576
Position Surface form Disambiguated ID Type / Status
Subject Brotherhood of Sleeping Car Porters E111613 entity
Predicate keyPerson P256 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, keyPerson, 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, keyPerson, 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_69c6f77397f48190aeeef1b389e7f2df completed March 27, 2026, 9:32 p.m.
Created at: March 20, 2026, 1:32 p.m.