Triple

T20176689

Position	Surface form	Disambiguated ID	Type / Status
Subject	Harlon Block	`E492117`	entity
Predicate	sibling	`P363`	FINISHED
Object	Eugene Block	`—`	NE NERFINISHED

How this triple was built (3 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: Eugene Block | Statement: [Harlon Block, sibling, Eugene Block]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Eugene Block
Context triple: [Harlon Block, sibling, Eugene Block]

A. Eugene Landy
Eugene Landy was a controversial psychologist best known for his domineering and exploitative relationship with Beach Boys leader Brian Wilson.
B. Boris Thomashefsky
Boris Thomashefsky was a pioneering star of the American Yiddish theater, known for popularizing Yiddish-language stage productions among immigrant audiences in the late 19th and early 20th centuries.
C. Edward Zorinsky
Edward Zorinsky was a U.S. Senator from Nebraska and former mayor of Omaha known for his moderate Democratic politics and service in the late 20th century.
D. Boris Sokoloff
Boris Sokoloff was a Russian-born American physician, cancer researcher, and author known for his work in medical science and his writings on Soviet politics and his experiences under the Bolshevik regime.
E. Edward Chodorov
Edward Chodorov was an American playwright, screenwriter, and producer known for his work in mid-20th-century Hollywood and Broadway.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Eugene Block
Target entity description: Eugene Block was a member of the Block family from Texas, known primarily as the brother of Harlon Block, one of the U.S. Marines involved in the iconic World War II flag-raising on Iwo Jima.

A. Eugene Landy
Eugene Landy was a controversial psychologist best known for his domineering and exploitative relationship with Beach Boys leader Brian Wilson.
B. Boris Thomashefsky
Boris Thomashefsky was a pioneering star of the American Yiddish theater, known for popularizing Yiddish-language stage productions among immigrant audiences in the late 19th and early 20th centuries.
C. Edward Zorinsky
Edward Zorinsky was a U.S. Senator from Nebraska and former mayor of Omaha known for his moderate Democratic politics and service in the late 20th century.
D. Boris Sokoloff
Boris Sokoloff was a Russian-born American physician, cancer researcher, and author known for his work in medical science and his writings on Soviet politics and his experiences under the Bolshevik regime.
E. Edward Chodorov
Edward Chodorov was an American playwright, screenwriter, and producer known for his work in mid-20th-century Hollywood and Broadway.
F. None of above. chosen

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_69da6266c6888190bc1a3ecf24814d34`	completed	April 11, 2026, 3:01 p.m.
NER	Named-entity recognition	`batch_69e668eb50a48190af7de53680ca2f5d`	completed	April 20, 2026, 5:56 p.m.

Created at: April 11, 2026, 11:36 p.m.