Triple

T9799632
Position Surface form Disambiguated ID Type / Status
Subject Robert Chambers (Preppy Killer) E237802 entity
Predicate name P16 FINISHED
Object Robert Chambers E237802 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: Robert Chambers | Statement: [Robert Chambers (Preppy Killer), name, Robert Chambers]

Disambiguation candidates (1 decision)

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: Robert Chambers
Context triple: [Robert Chambers (Preppy Killer), name, Robert Chambers]
  • A. Robert Chambers chosen
    Robert Chambers is a common name shared by several notable individuals, including a 19th-century Scottish geologist and author, an American serial killer known as the "Preppy Killer," and various judges, politicians, and writers.
  • B. Philip Leslie Hale
    Philip Leslie Hale was an American Impressionist painter and influential art teacher associated with the Boston School, known for his luminous landscapes and figure paintings.
  • C. J. S. Redfield
    J. S. Redfield was a 19th-century American publisher known for issuing significant literary and political works, including writings by Walt Whitman.
  • D. E. V. Cunningham
    E. V. Cunningham was the crime-fiction pen name of American novelist Howard Fast, under which he wrote a series of popular mystery and detective novels.
  • E. George Philip Wells
    George Philip Wells was a British zoologist and author, known both for his scientific work and as the son of writer H. G. Wells.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca84dd4608819097ff4ed00feca280 elicitation completed
NER batch_69cda628fe0081909d2fbac3bd56ee84 ner completed
NED1 batch_69d1cc53c3dc819084a4d8b72164a172 ned_source_triple completed
Created at: March 30, 2026, 8:28 p.m.