Triple

T8246501
Position Surface form Disambiguated ID Type / Status
Subject demon core E192861 entity
Predicate causedDeathOf P29920 FINISHED
Object Harry Daghlian
Harry Daghlian was an American physicist and Manhattan Project researcher who died from acute radiation poisoning after a criticality accident involving the plutonium "demon core" in 1945.
 E726893 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: Harry Daghlian | Statement: [demon core, causedDeathOf, Harry Daghlian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harry Daghlian
Context triple: [demon core, causedDeathOf, Harry Daghlian]
  • A. Louis Slotin
    Louis Slotin was a Canadian physicist and chemist best known for his work on the Manhattan Project and for a fatal criticality accident during a plutonium core experiment in 1946.
  • B. John Plamenatz
    John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
  • C. Adam Ulam
    Adam Ulam was a prominent Polish-American historian and political scientist known for his influential scholarship on Soviet history and foreign policy.
  • D. Robert Serber
    Robert Serber was an American theoretical physicist best known for his key role in the Manhattan Project, where he helped design the first nuclear weapons and authored the influential "Los Alamos Primer" lectures.
  • E. Alvin M. Weinberg
    Alvin M. Weinberg was an American nuclear physicist and long-time director of Oak Ridge National Laboratory, best known for his pioneering work on nuclear reactor design and advocacy for safe, peaceful uses of nuclear energy.
  • 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: Harry Daghlian
Triple: [demon core, causedDeathOf, Harry Daghlian]
Generated description
Harry Daghlian was an American physicist and Manhattan Project researcher who died from acute radiation poisoning after a criticality accident involving the plutonium "demon core" in 1945.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harry Daghlian
Target entity description: Harry Daghlian was an American physicist and Manhattan Project researcher who died from acute radiation poisoning after a criticality accident involving the plutonium "demon core" in 1945.
  • A. Louis Slotin
    Louis Slotin was a Canadian physicist and chemist best known for his work on the Manhattan Project and for a fatal criticality accident during a plutonium core experiment in 1946.
  • B. John Plamenatz
    John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
  • C. Adam Ulam
    Adam Ulam was a prominent Polish-American historian and political scientist known for his influential scholarship on Soviet history and foreign policy.
  • D. Robert Serber
    Robert Serber was an American theoretical physicist best known for his key role in the Manhattan Project, where he helped design the first nuclear weapons and authored the influential "Los Alamos Primer" lectures.
  • E. Alvin M. Weinberg
    Alvin M. Weinberg was an American nuclear physicist and long-time director of Oak Ridge National Laboratory, best known for his pioneering work on nuclear reactor design and advocacy for safe, peaceful uses of nuclear energy.
  • 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_69ca82de7b8c81908d8106f8a53cff9b completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb787414508190a08cf47d1545ce50 completed March 31, 2026, 7:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd94ec40a8819081655fee94614525 completed April 1, 2026, 9:58 p.m.
NEDg Description generation batch_69cdb20cc18081908269516e49ce0fd3 completed April 2, 2026, 12:02 a.m.
NED2 Entity disambiguation (via description) batch_69cdb44ff9a88190bbcb4a56f9b44dc1 completed April 2, 2026, 12:12 a.m.
Created at: March 30, 2026, 5:48 p.m.