Triple

T14841070

Position	Surface form	Disambiguated ID	Type / Status
Subject	John Van Buren	`E348963`	entity
Predicate	parentOf	`P120`	FINISHED
Object	Martin Van Buren (grandson of President Martin Van Buren) Martin Van Buren (grandson of President Martin Van Buren) was a 19th-century American lawyer and politician who continued the Van Buren family’s public service legacy.	`E1121939`	NE FINISHED

How this triple was built (4 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: Martin Van Buren (grandson of President Martin Van Buren) | Statement: [John Van Buren, parentOf, Martin Van Buren (grandson of President Martin Van Buren)]

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

Target entity: Martin Van Buren (grandson of President Martin Van Buren)
Context triple: [John Van Buren, parentOf, Martin Van Buren (grandson of President Martin Van Buren)]

A. Abraham Van Buren (son of Martin Van Buren)
Abraham Van Buren was the eldest son of U.S. President Martin Van Buren, known primarily for his role as a presidential family member and for managing his father's estate.
B. Daniel D. Tompkins
Daniel D. Tompkins was an American statesman who served as the fourth governor of New York and the sixth vice president of the United States under James Monroe.
C. Martin Van Buren
Martin Van Buren was the eighth president of the United States, a key architect of the Democratic Party and close ally of Andrew Jackson, whose presidency was marked by the Panic of 1837 and the continuation of Jacksonian policies.
D. John Van Buren
John Van Buren was an American lawyer, politician, and influential Democratic leader in New York, known as the son of President Martin Van Buren and a prominent figure in mid-19th-century politics.
E. van Buren
Van Buren is a Dutch surname most famously associated with Martin Van Buren, the eighth president of the United States.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Martin Van Buren (grandson of President Martin Van Buren)
Triple: [John Van Buren, parentOf, Martin Van Buren (grandson of President Martin Van Buren)]

Generated description

Martin Van Buren (grandson of President Martin Van Buren) was a 19th-century American lawyer and politician who continued the Van Buren family’s public service legacy.

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

Target entity: Martin Van Buren (grandson of President Martin Van Buren)
Target entity description: Martin Van Buren (grandson of President Martin Van Buren) was a 19th-century American lawyer and politician who continued the Van Buren family’s public service legacy.

A. Abraham Van Buren (son of Martin Van Buren)
Abraham Van Buren was the eldest son of U.S. President Martin Van Buren, known primarily for his role as a presidential family member and for managing his father's estate.
B. Daniel D. Tompkins
Daniel D. Tompkins was an American statesman who served as the fourth governor of New York and the sixth vice president of the United States under James Monroe.
C. Martin Van Buren
Martin Van Buren was the eighth president of the United States, a key architect of the Democratic Party and close ally of Andrew Jackson, whose presidency was marked by the Panic of 1837 and the continuation of Jacksonian policies.
D. John Van Buren
John Van Buren was an American lawyer, politician, and influential Democratic leader in New York, known as the son of President Martin Van Buren and a prominent figure in mid-19th-century politics.
E. van Buren
Van Buren is a Dutch surname most famously associated with Martin Van Buren, the eighth president of the United States.
F. None of above. chosen

Provenance (5 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_69d822ec69008190a9232caa68836872`	completed	April 9, 2026, 10:06 p.m.
NER	Named-entity recognition	`batch_69ded28e40f08190b309d8ac6404d2fc`	completed	April 14, 2026, 11:49 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69fe38a9eb9481908ca509f484007cf6`	completed	May 8, 2026, 7:25 p.m.
NEDg	Description generation	`batch_69fe3d0eca948190b107bc593b6e5b72`	completed	May 8, 2026, 7:44 p.m.
NED2	Entity disambiguation (via description)	`batch_69fe3d94785881908911a7c6f1546d45`	completed	May 8, 2026, 7:46 p.m.

Created at: April 10, 2026, 1:53 a.m.