Triple

T19438017

Position	Surface form	Disambiguated ID	Type / Status
Subject	Lefferts family	`E486273`	entity
Predicate	notableMember	`P10`	FINISHED
Object	Leffert Lefferts	`—`	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: Leffert Lefferts | Statement: [Lefferts family, notableMember, Leffert Lefferts]

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

Target entity: Leffert Lefferts
Context triple: [Lefferts family, notableMember, Leffert Lefferts]

A. Thom Schuyler
Thom Schuyler is an American country music songwriter and singer best known for penning numerous hits in the 1980s and serving as a prominent figure in Nashville’s songwriting community.
B. Thaddeus Wadleigh
Thaddeus Wadleigh is a cinematographer known for his work on the documentary film "The Hunting Ground."
C. Leffert L. Buck
Leffert L. Buck was an American civil engineer known for his pioneering work in long-span bridge design at the turn of the 20th century.
D. Adolphus Philipse
Adolphus Philipse was an 18th-century New York landowner and merchant, best known for inheriting and managing a large portion of the extensive Philipse family estates in the Hudson Valley.
E. Henry Janeway Hardenbergh
Henry Janeway Hardenbergh was a prominent American architect of the late 19th and early 20th centuries, best known for designing landmark luxury hotels and grand buildings in New York City.
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: Leffert Lefferts
Target entity description: Leffert Lefferts was a prominent member of the influential Lefferts family of Brooklyn, known for their significant role in early New York social and political life.

A. Thom Schuyler
Thom Schuyler is an American country music songwriter and singer best known for penning numerous hits in the 1980s and serving as a prominent figure in Nashville’s songwriting community.
B. Thaddeus Wadleigh
Thaddeus Wadleigh is a cinematographer known for his work on the documentary film "The Hunting Ground."
C. Leffert L. Buck
Leffert L. Buck was an American civil engineer known for his pioneering work in long-span bridge design at the turn of the 20th century.
D. Adolphus Philipse
Adolphus Philipse was an 18th-century New York landowner and merchant, best known for inheriting and managing a large portion of the extensive Philipse family estates in the Hudson Valley.
E. Henry Janeway Hardenbergh
Henry Janeway Hardenbergh was a prominent American architect of the late 19th and early 20th centuries, best known for designing landmark luxury hotels and grand buildings in New York City.
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_69d8e8d7ad488190a3373045029b0f3b`	completed	April 10, 2026, 12:11 p.m.
NER	Named-entity recognition	`batch_69e6336281b88190b1e5ad2606d7c314`	completed	April 20, 2026, 2:08 p.m.

Created at: April 10, 2026, 1:38 p.m.