Triple

T21276660

Position	Surface form	Disambiguated ID	Type / Status
Subject	Marina Tsvetaeva	`E524405`	entity
Predicate	spouse	`P13`	FINISHED
Object	Sergei Efron	`—`	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: Sergei Efron | Statement: [Marina Tsvetaeva, spouse, Sergei Efron]

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

Target entity: Sergei Efron
Context triple: [Marina Tsvetaeva, spouse, Sergei Efron]

A. Fedor Reingold
Fedor Reingold was one of the individuals prosecuted in the Soviet "Trial of the Sixteen," a major Stalin-era show trial targeting alleged political opponents.
B. Vladimir Gelfreikh
Vladimir Gelfreikh was a Soviet architect known for his prominent Stalinist-era designs and contributions to major state buildings in Moscow.
C. Sergei Gelfand
Sergei Gelfand is a mathematician known as one of the prominent students and collaborators of the influential Soviet mathematician Israel Gelfand.
D. Vladimir Sokoloff
Vladimir Sokoloff was a Russian-born character actor who appeared in numerous American films from the 1930s to the 1960s, often portraying wise or world-weary supporting figures.
E. Evgeny Lifshitz
Evgeny Lifshitz was a Soviet theoretical physicist best known for co-authoring the influential multi-volume "Course of Theoretical Physics" and for his contributions to general relativity and cosmology.
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: Sergei Efron
Target entity description: Sergei Efron was a Russian émigré officer and later Soviet intelligence agent, best known as the husband of poet Marina Tsvetaeva and for his tragic fate during Stalinist purges.

A. Fedor Reingold
Fedor Reingold was one of the individuals prosecuted in the Soviet "Trial of the Sixteen," a major Stalin-era show trial targeting alleged political opponents.
B. Vladimir Gelfreikh
Vladimir Gelfreikh was a Soviet architect known for his prominent Stalinist-era designs and contributions to major state buildings in Moscow.
C. Sergei Gelfand
Sergei Gelfand is a mathematician known as one of the prominent students and collaborators of the influential Soviet mathematician Israel Gelfand.
D. Vladimir Sokoloff
Vladimir Sokoloff was a Russian-born character actor who appeared in numerous American films from the 1930s to the 1960s, often portraying wise or world-weary supporting figures.
E. Evgeny Lifshitz
Evgeny Lifshitz was a Soviet theoretical physicist best known for co-authoring the influential multi-volume "Course of Theoretical Physics" and for his contributions to general relativity and cosmology.
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_69e0b516293c819089458ea2ec85f85e`	completed	April 16, 2026, 10:08 a.m.
NER	Named-entity recognition	`batch_69e736577fd48190a0038a6ac5678668`	completed	April 21, 2026, 8:33 a.m.

Created at: April 16, 2026, 4:02 p.m.