Triple

T10812373
Position Surface form Disambiguated ID Type / Status
Subject A Night at the Opera E255134 entity
Predicate cinematographyBy P1953 FINISHED
Object Merritt B. Gerstad
Merritt B. Gerstad was an American cinematographer known for his work on classic Hollywood films of the 1920s and 1930s.
E1109051 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: Merritt B. Gerstad | Statement: [A Night at the Opera, cinematographyBy, Merritt B. Gerstad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Merritt B. Gerstad
Context triple: [A Night at the Opera, cinematographyBy, Merritt B. Gerstad]
  • A. Harry W. Gerstad
    Harry W. Gerstad was an American film editor best known for his Academy Award-winning work on classic films such as "High Noon" and "Champion."
  • B. Conrad A. Nervig
    Conrad A. Nervig was an American film editor active during Hollywood’s classic era, known for his work on numerous major studio productions.
  • C. Shelton G. Berg
    Shelton G. Berg is an American jazz pianist, composer, and educator who serves as dean of the University of Miami’s Frost School of Music.
  • D. Charles C. Lauritsen
    Charles C. Lauritsen was a Danish-American physicist known for his pioneering work in nuclear physics and his influential role in building the physics program at the California Institute of Technology.
  • E. Stephen H. Burum
    Stephen H. Burum is an American cinematographer renowned for his stylish, atmospheric work on major films such as "Carlito's Way" and several collaborations with director Brian De Palma.
  • 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: Merritt B. Gerstad
Triple: [A Night at the Opera, cinematographyBy, Merritt B. Gerstad]
Generated description
Merritt B. Gerstad was an American cinematographer known for his work on classic Hollywood films of the 1920s and 1930s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Merritt B. Gerstad
Target entity description: Merritt B. Gerstad was an American cinematographer known for his work on classic Hollywood films of the 1920s and 1930s.
  • A. Harry W. Gerstad
    Harry W. Gerstad was an American film editor best known for his Academy Award-winning work on classic films such as "High Noon" and "Champion."
  • B. Conrad A. Nervig
    Conrad A. Nervig was an American film editor active during Hollywood’s classic era, known for his work on numerous major studio productions.
  • C. Shelton G. Berg
    Shelton G. Berg is an American jazz pianist, composer, and educator who serves as dean of the University of Miami’s Frost School of Music.
  • D. Charles C. Lauritsen
    Charles C. Lauritsen was a Danish-American physicist known for his pioneering work in nuclear physics and his influential role in building the physics program at the California Institute of Technology.
  • E. Stephen H. Burum
    Stephen H. Burum is an American cinematographer renowned for his stylish, atmospheric work on major films such as "Carlito's Way" and several collaborations with director Brian De Palma.
  • 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_69d6aa61c15c8190a1839550c56e75e1 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d733eadda48190b2b1183ee60102cb completed April 9, 2026, 5:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69fd9495b9748190905b02621939b326 completed May 8, 2026, 7:45 a.m.
NEDg Description generation batch_69fd9619f33881908e8d95ef09256d34 completed May 8, 2026, 7:51 a.m.
NED2 Entity disambiguation (via description) batch_69fd96e97ec48190aae9b25ce7154802 completed May 8, 2026, 7:55 a.m.
Created at: April 8, 2026, 9:18 p.m.