Triple

T2773020
Position Surface form Disambiguated ID Type / Status
Subject J.E.B. Stuart E61500 entity
Predicate portraitArtist P14098 FINISHED
Object Mathew Brady (photographer)
Mathew Brady was a pioneering 19th-century American photographer best known for his iconic portraits of political and military figures and his extensive documentation of the American Civil War.
 E298214 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: Mathew Brady (photographer) | Statement: [J.E.B. Stuart, portraitArtist, Mathew Brady (photographer)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mathew Brady (photographer)
Context triple: [J.E.B. Stuart, portraitArtist, Mathew Brady (photographer)]
  • A. Alexander Gardner
    Alexander Gardner was a 19th-century Scottish-American photographer best known for his iconic Civil War images and portraits of figures such as Abraham Lincoln.
  • B. Roger Fenton
    Roger Fenton was a pioneering 19th-century British photographer best known for producing some of the earliest and most influential war photographs.
  • C. Nathaniel Curtis
    Nathaniel Curtis is a screenwriter best known for his work on the classic MGM musical film "The Harvey Girls."
  • D. John Bridgeman
    John Bridgeman is a British sculptor known for his innovative post-war public artworks and contributions to modern sculpture in the UK.
  • E. Roy Stryker
    Roy Stryker was an American economist and government official best known for directing the Farm Security Administration’s landmark documentary photography project during the Great Depression.
  • 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: Mathew Brady (photographer)
Triple: [J.E.B. Stuart, portraitArtist, Mathew Brady (photographer)]
Generated description
Mathew Brady was a pioneering 19th-century American photographer best known for his iconic portraits of political and military figures and his extensive documentation of the American Civil War.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mathew Brady (photographer)
Target entity description: Mathew Brady was a pioneering 19th-century American photographer best known for his iconic portraits of political and military figures and his extensive documentation of the American Civil War.
  • A. Alexander Gardner
    Alexander Gardner was a 19th-century Scottish-American photographer best known for his iconic Civil War images and portraits of figures such as Abraham Lincoln.
  • B. Roger Fenton
    Roger Fenton was a pioneering 19th-century British photographer best known for producing some of the earliest and most influential war photographs.
  • C. Nathaniel Curtis
    Nathaniel Curtis is a screenwriter best known for his work on the classic MGM musical film "The Harvey Girls."
  • D. John Bridgeman
    John Bridgeman is a British sculptor known for his innovative post-war public artworks and contributions to modern sculpture in the UK.
  • E. Roy Stryker
    Roy Stryker was an American economist and government official best known for directing the Farm Security Administration’s landmark documentary photography project during the Great Depression.
  • 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_69ab4b7cd13481909174bca9809ed259 completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdd6b9cc48190bd9f7d8d33fe1ec1 completed March 7, 2026, 8:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69afc0553588819098d478b4aaa18478 completed March 10, 2026, 6:55 a.m.
NEDg Description generation batch_69afc1c74ecc8190ba8b9926ff28f24e completed March 10, 2026, 7:01 a.m.
NED2 Entity disambiguation (via description) batch_69afc2d5aecc81909ce90a7e891568c9 completed March 10, 2026, 7:05 a.m.
Created at: March 6, 2026, 9:57 p.m.