Triple

T1644864

Position	Surface form	Disambiguated ID	Type / Status
Subject	Marian Anderson	`E35557`	entity
Predicate	notableWork	`P4`	FINISHED
Object	1939 Lincoln Memorial concert The 1939 Lincoln Memorial concert was a historic open-air performance by contralto Marian Anderson on the steps of the Lincoln Memorial in Washington, D.C., symbolizing a powerful protest against racial segregation in the arts.	`E186149`	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: 1939 Lincoln Memorial concert | Statement: [Marian Anderson, notableWork, 1939 Lincoln Memorial concert]

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

Target entity: 1939 Lincoln Memorial concert
Context triple: [Marian Anderson, notableWork, 1939 Lincoln Memorial concert]

A. From Spirituals to Swing concerts
From Spirituals to Swing concerts were landmark late-1930s Carnegie Hall concerts that introduced wide audiences to African American spirituals, blues, and jazz, significantly shaping the popular and critical reception of these genres.
B. Jazz Age Lawn Party
Jazz Age Lawn Party is a popular vintage-themed festival on New York City’s Governors Island that recreates 1920s music, dance, and fashion with live jazz bands, performances, and period-appropriate activities.
C. Judy Garland Festival
The Judy Garland Festival is an annual celebration in Grand Rapids, Minnesota, honoring the life and legacy of the iconic actress and singer Judy Garland with films, exhibits, and themed events.
D. The Cotton Club
The Cotton Club is a 1984 crime-drama film directed by Francis Ford Coppola that intertwines jazz, gangsters, and Harlem nightlife during the Prohibition era.
E. Boston Pops Fireworks Spectacular
The Boston Pops Fireworks Spectacular is an annual Independence Day concert and fireworks show on Boston’s Charles River Esplanade, renowned for its live orchestral music and large public celebration.
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: 1939 Lincoln Memorial concert
Triple: [Marian Anderson, notableWork, 1939 Lincoln Memorial concert]

Generated description

The 1939 Lincoln Memorial concert was a historic open-air performance by contralto Marian Anderson on the steps of the Lincoln Memorial in Washington, D.C., symbolizing a powerful protest against racial segregation in the arts.

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

Target entity: 1939 Lincoln Memorial concert
Target entity description: The 1939 Lincoln Memorial concert was a historic open-air performance by contralto Marian Anderson on the steps of the Lincoln Memorial in Washington, D.C., symbolizing a powerful protest against racial segregation in the arts.

A. From Spirituals to Swing concerts
From Spirituals to Swing concerts were landmark late-1930s Carnegie Hall concerts that introduced wide audiences to African American spirituals, blues, and jazz, significantly shaping the popular and critical reception of these genres.
B. Jazz Age Lawn Party
Jazz Age Lawn Party is a popular vintage-themed festival on New York City’s Governors Island that recreates 1920s music, dance, and fashion with live jazz bands, performances, and period-appropriate activities.
C. Judy Garland Festival
The Judy Garland Festival is an annual celebration in Grand Rapids, Minnesota, honoring the life and legacy of the iconic actress and singer Judy Garland with films, exhibits, and themed events.
D. The Cotton Club
The Cotton Club is a 1984 crime-drama film directed by Francis Ford Coppola that intertwines jazz, gangsters, and Harlem nightlife during the Prohibition era.
E. Boston Pops Fireworks Spectacular
The Boston Pops Fireworks Spectacular is an annual Independence Day concert and fireworks show on Boston’s Charles River Esplanade, renowned for its live orchestral music and large public celebration.
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_69a88604618c81908b41f6429c431eb6`	completed	March 4, 2026, 7:20 p.m.
NER	Named-entity recognition	`batch_69a90a41e5a08190b97dd1c0b12c662a`	completed	March 5, 2026, 4:44 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ad60a26350819087e7a87b52561143`	completed	March 8, 2026, 11:42 a.m.
NEDg	Description generation	`batch_69ad61d1806081909268a9a100b326a1`	completed	March 8, 2026, 11:47 a.m.
NED2	Entity disambiguation (via description)	`batch_69ad622acf5881908add72069bd2f060`	completed	March 8, 2026, 11:48 a.m.

Created at: March 4, 2026, 7:28 p.m.