Triple

T3874374
Position Surface form Disambiguated ID Type / Status
Subject Late Night with David Letterman E92461 entity
Predicate regularPerformer P46749 FINISHED
Object Calvert DeForest
Calvert DeForest was an American character actor and comedian best known for his quirky, deadpan appearances as "Larry 'Bud' Melman" on David Letterman's late-night shows.
E573167 NE FINISHED

How this triple was built (5 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: Calvert DeForest | Statement: [Late Night with David Letterman, regularPerformer, Calvert DeForest]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Calvert DeForest
Context triple: [Late Night with David Letterman, regularPerformer, Calvert DeForest]
  • A. Lewis M. Rutherfurd
    Lewis M. Rutherfurd was a 19th-century American lawyer-turned-astronomer and pioneering astrophotographer known for his influential work in celestial photography and astronomical instrumentation.
  • B. Charles D. Norton
    Charles D. Norton was an American figure notable for helping establish the American Cancer Society, a leading nonprofit organization dedicated to cancer research and patient support.
  • C. Francis Newton Gifford
    Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
  • D. George Davenport
    George Davenport was a 19th-century American fur trader and early settler whose influence on the region led to the city of Davenport, Iowa being named in his honor.
  • E. George Hively
    George Hively was an American film editor and screenwriter active during the early 20th century, known for his work in Hollywood studio productions.
  • 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: Calvert DeForest
Triple: [Late Night with David Letterman, regularPerformer, Calvert DeForest]
Generated description
Calvert DeForest was an American character actor and comedian best known for his quirky, deadpan appearances as "Larry 'Bud' Melman" on David Letterman's late-night shows.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Calvert DeForest
Target entity description: Calvert DeForest was an American character actor and comedian best known for his quirky, deadpan appearances as "Larry 'Bud' Melman" on David Letterman's late-night shows.
  • A. Lewis M. Rutherfurd
    Lewis M. Rutherfurd was a 19th-century American lawyer-turned-astronomer and pioneering astrophotographer known for his influential work in celestial photography and astronomical instrumentation.
  • B. Charles D. Norton
    Charles D. Norton was an American figure notable for helping establish the American Cancer Society, a leading nonprofit organization dedicated to cancer research and patient support.
  • C. Francis Newton Gifford
    Francis Newton Gifford was a prominent American football player and Hall of Famer who became widely known as a longtime sportscaster on ABC’s Monday Night Football.
  • D. George Davenport
    George Davenport was a 19th-century American fur trader and early settler whose influence on the region led to the city of Davenport, Iowa being named in his honor.
  • E. George Hively
    George Hively was an American film editor and screenwriter active during the early 20th century, known for his work in Hollywood studio productions.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: regularPerformer
Context triple: [Late Night with David Letterman, regularPerformer, Calvert DeForest]
  • A. coPerformer
    Indicates that two or more entities jointly perform the same act or participate together in the same performance.
  • B. performerType
    Indicates the role or category of performer responsible for carrying out an action or participating in an event.
  • C. eligiblePerformers
    Indicates that certain entities are qualified or permitted to perform in a specified event, role, or context.
  • D. performerCreditedAs
    Indicates that a performer is associated with a work under a specific credited name or alias.
  • E. associatedWithPerformer chosen
    Indicates a relationship in which something (such as a work, event, or role) is connected or linked to a specific performer.
  • F. None of above.

Provenance (6 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_69aed967448c819086c4b358d37b25aa completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aef1515c688190a38332aedeed8a76 completed March 9, 2026, 4:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69c140fc97f48190aa77fb32ccd658ab completed March 23, 2026, 1:32 p.m.
NEDg Description generation batch_69c1460fead08190ae80e7c130753a73 completed March 23, 2026, 1:54 p.m.
NED2 Entity disambiguation (via description) batch_69c1466aeccc8190b541915bc041c6cc completed March 23, 2026, 1:55 p.m.
PD Predicate disambiguation batch_69aee7574c408190893e70bf80514838 completed March 9, 2026, 3:29 p.m.
Created at: March 9, 2026, 3:20 p.m.