Triple

T7273955
Position Surface form Disambiguated ID Type / Status
Subject Horace Cayton E162976 entity
Predicate describedBySource P519 FINISHED
Object Black Metropolis: A Study of Negro Life in a Northern City E646732 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: Black Metropolis: A Study of Negro Life in a Northern City | Statement: [Horace Cayton, describedBySource, Black Metropolis: A Study of Negro Life in a Northern City]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Black Metropolis: A Study of Negro Life in a Northern City
Context triple: [Horace Cayton, describedBySource, Black Metropolis: A Study of Negro Life in a Northern City]
  • A. Black Metropolis: A Study of Negro Life in a Northern City chosen
    "Black Metropolis: A Study of Negro Life in a Northern City" is a landmark sociological study that examines the social, economic, and cultural life of African Americans in Chicago’s South Side during the early 20th century.
  • B. The Philadelphia Negro
    The Philadelphia Negro is W. E. B. Du Bois’s pioneering sociological study of African American life in Philadelphia, widely regarded as one of the first major empirical works in American urban sociology and race relations.
  • C. The Negro at Work in New York City
    The Negro at Work in New York City is a pioneering early 20th-century sociological study examining the economic conditions, employment patterns, and social challenges faced by African Americans in New York City.
  • D. Half a Man: The Status of the Negro in New York
    "Half a Man: The Status of the Negro in New York" is a 1911 sociological study by Mary White Ovington that examines the living conditions, discrimination, and social status of African Americans in early 20th-century New York City.
  • E. Committee on Urban Conditions Among Negroes
    The Committee on Urban Conditions Among Negroes was the early 20th-century civil rights and social service organization that evolved into the National Urban League, dedicated to improving the economic and social conditions of African Americans in U.S. cities.
  • 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_69c6885c5964819085b209701769877f completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eb0de9f48190807dd148758bad62 completed March 27, 2026, 8:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7e52f96008190886f6115329a07ab completed March 28, 2026, 2:26 p.m.
Created at: March 27, 2026, 2:58 p.m.