Triple

T12302866
Position Surface form Disambiguated ID Type / Status
Subject Koster and Bial’s Music Hall E293274 entity
Predicate namedAfter P63 FINISHED
Object John Koster
John Koster was a 19th-century New York entertainment entrepreneur best known as the co-founder and namesake of Koster and Bial’s Music Hall, a prominent vaudeville venue.
 E974048 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: John Koster | Statement: [Koster and Bial’s Music Hall, namedAfter, John Koster]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: John Koster
Context triple: [Koster and Bial’s Music Hall, namedAfter, John Koster]
  • A. Mike Krause
    Mike Krause is a fictional character from the action thriller film "Salt," involved in the high-stakes world of espionage and covert operations.
  • B. Ken Kessler
    Ken Kessler is a meek, put-upon businessman who becomes entangled in a chaotic kidnapping scheme in the dark comedy film "Ruthless People."
  • C. Kevin Kasper
    Kevin Kasper is a former American football wide receiver who played in the NFL for multiple teams after a standout college career at the University of Iowa.
  • D. Mark Suter
    Mark Suter is a percussionist known for his work in contemporary and world music, including performances with the Silk Road Ensemble.
  • E. Dan Knechtges
    Dan Knechtges is an American director and choreographer known for his work on numerous Broadway and Off-Broadway musicals.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: John Koster
Target entity description: John Koster was a 19th-century New York entertainment entrepreneur best known as the co-founder and namesake of Koster and Bial’s Music Hall, a prominent vaudeville venue.
  • A. Mike Krause
    Mike Krause is a fictional character from the action thriller film "Salt," involved in the high-stakes world of espionage and covert operations.
  • B. Ken Kessler
    Ken Kessler is a meek, put-upon businessman who becomes entangled in a chaotic kidnapping scheme in the dark comedy film "Ruthless People."
  • C. Kevin Kasper
    Kevin Kasper is a former American football wide receiver who played in the NFL for multiple teams after a standout college career at the University of Iowa.
  • D. Mark Suter
    Mark Suter is a percussionist known for his work in contemporary and world music, including performances with the Silk Road Ensemble.
  • E. Dan Knechtges
    Dan Knechtges is an American director and choreographer known for his work on numerous Broadway and Off-Broadway musicals.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: John Koster
Triple: [Koster and Bial’s Music Hall, namedAfter, John Koster]
Generated description
John Koster was a 19th-century New York entertainment entrepreneur best known as the co-founder and namesake of Koster and Bial’s Music Hall, a prominent vaudeville venue.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab6a2b50819082f6aedd32ed608a elicitation completed
NER batch_69d93edca2648190987eef19599e340c ner completed
NED1 batch_69f61e7d757881908ac6af2b70a6dafe ned_source_triple completed
NED2 batch_69f62006afcc8190b8e3b55a5fd8eaca ned_description completed
NEDg batch_69f61f5cc5608190a67a888eb5136ada nedg completed
Created at: April 8, 2026, 9:53 p.m.