Triple

T12477579
Position Surface form Disambiguated ID Type / Status
Subject Mathew Brady E298214 entity
Predicate employer P7 FINISHED
Object Brady’s National Photographic Art Gallery
Brady’s National Photographic Art Gallery was a prominent 19th-century American photography studio and exhibition space associated with famed Civil War photographer Mathew Brady.
 E984095 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: Brady’s National Photographic Art Gallery | Statement: [Mathew Brady, employer, Brady’s National Photographic Art Gallery]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brady’s National Photographic Art Gallery
Context triple: [Mathew Brady, employer, Brady’s National Photographic Art Gallery]
  • A. Robert Brady Museum
    The Robert Brady Museum is an art and decorative arts museum in Cuernavaca, Mexico, housed in the former home of American artist and collector Robert Brady and renowned for its eclectic international collection and vibrant colonial architecture.
  • B. Phillips Memorial Gallery
    Phillips Memorial Gallery is an art museum in Washington, D.C., renowned as one of the first modern art museums in the United States and for its significant collection of Impressionist and modern works.
  • C. Ohr-O’Keefe Museum of Art
    The Ohr-O’Keefe Museum of Art is a contemporary art museum in Biloxi, Mississippi, renowned for its distinctive Frank Gehry–designed architecture and its focus on the ceramics of George E. Ohr, the “Mad Potter of Biloxi.”
  • D. L. D. M. Sweat Memorial Galleries
    The L. D. M. Sweat Memorial Galleries are historic exhibition spaces within Portland’s primary art museum, showcasing fine and decorative arts in a 19th-century mansion setting.
  • E. Gayer-Anderson Museum
    The Gayer-Anderson Museum is a historic house museum in Cairo renowned for its well-preserved Ottoman-era architecture and eclectic collection of Islamic art and antiquities.
  • 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: Brady’s National Photographic Art Gallery
Triple: [Mathew Brady, employer, Brady’s National Photographic Art Gallery]
Generated description
Brady’s National Photographic Art Gallery was a prominent 19th-century American photography studio and exhibition space associated with famed Civil War photographer Mathew Brady.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Brady’s National Photographic Art Gallery
Target entity description: Brady’s National Photographic Art Gallery was a prominent 19th-century American photography studio and exhibition space associated with famed Civil War photographer Mathew Brady.
  • A. Robert Brady Museum
    The Robert Brady Museum is an art and decorative arts museum in Cuernavaca, Mexico, housed in the former home of American artist and collector Robert Brady and renowned for its eclectic international collection and vibrant colonial architecture.
  • B. Phillips Memorial Gallery
    Phillips Memorial Gallery is an art museum in Washington, D.C., renowned as one of the first modern art museums in the United States and for its significant collection of Impressionist and modern works.
  • C. Ohr-O’Keefe Museum of Art
    The Ohr-O’Keefe Museum of Art is a contemporary art museum in Biloxi, Mississippi, renowned for its distinctive Frank Gehry–designed architecture and its focus on the ceramics of George E. Ohr, the “Mad Potter of Biloxi.”
  • D. L. D. M. Sweat Memorial Galleries
    The L. D. M. Sweat Memorial Galleries are historic exhibition spaces within Portland’s primary art museum, showcasing fine and decorative arts in a 19th-century mansion setting.
  • E. Gayer-Anderson Museum
    The Gayer-Anderson Museum is a historic house museum in Cairo renowned for its well-preserved Ottoman-era architecture and eclectic collection of Islamic art and antiquities.
  • 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_69d6ada377208190a36011199a4d8558 completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94dcc24e48190ae9c367a03f659f4 completed April 10, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f63f2732a08190890493925e41a6e1 completed May 2, 2026, 6:15 p.m.
NEDg Description generation batch_69f640b513488190893359e9964dbe98 completed May 2, 2026, 6:21 p.m.
NED2 Entity disambiguation (via description) batch_69f641abe114819093d99a327f2220c2 completed May 2, 2026, 6:25 p.m.
Created at: April 8, 2026, 9:56 p.m.