Triple

T3780818
Position Surface form Disambiguated ID Type / Status
Subject Teller–Ulam design E85411 entity
Predicate firstTestedIn P18472 FINISHED
Object Ivy Mike
Ivy Mike was the first successful full-scale test of a thermonuclear (hydrogen) bomb conducted by the United States in 1952.
E387808 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: Ivy Mike | Statement: [Teller–Ulam design, firstTestedIn, Ivy Mike]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ivy Mike
Context triple: [Teller–Ulam design, firstTestedIn, Ivy Mike]
  • A. Trinity test device
    The Trinity test device was the first nuclear explosive ever detonated, a plutonium-based implosion bomb tested by the Manhattan Project in July 1945.
  • B. Little Boy
    Little Boy was the codename for the uranium-based atomic bomb dropped on Hiroshima, Japan, by the United States on August 6, 1945, marking the first use of nuclear weapons in warfare.
  • C. Castle Bravo
    Castle Bravo was the United States’ first and most powerful dry-fuel thermonuclear (hydrogen) bomb test, conducted in 1954 and infamous for its unexpectedly massive yield and severe radioactive fallout.
  • D. Minuteman III
    Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
  • E. Chicago Pile-2
    Chicago Pile-2 was an early research nuclear reactor built at the Argonne site to continue and expand experimental work following the first controlled chain reaction achieved by Chicago Pile-1.
  • 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: Ivy Mike
Triple: [Teller–Ulam design, firstTestedIn, Ivy Mike]
Generated description
Ivy Mike was the first successful full-scale test of a thermonuclear (hydrogen) bomb conducted by the United States in 1952.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ivy Mike
Target entity description: Ivy Mike was the first successful full-scale test of a thermonuclear (hydrogen) bomb conducted by the United States in 1952.
  • A. Trinity test device
    The Trinity test device was the first nuclear explosive ever detonated, a plutonium-based implosion bomb tested by the Manhattan Project in July 1945.
  • B. Little Boy
    Little Boy was the codename for the uranium-based atomic bomb dropped on Hiroshima, Japan, by the United States on August 6, 1945, marking the first use of nuclear weapons in warfare.
  • C. Castle Bravo
    Castle Bravo was the United States’ first and most powerful dry-fuel thermonuclear (hydrogen) bomb test, conducted in 1954 and infamous for its unexpectedly massive yield and severe radioactive fallout.
  • D. Minuteman III
    Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
  • E. Chicago Pile-2
    Chicago Pile-2 was an early research nuclear reactor built at the Argonne site to continue and expand experimental work following the first controlled chain reaction achieved by Chicago Pile-1.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: firstTestedIn
Context triple: [Teller–Ulam design, firstTestedIn, Ivy Mike]
  • A. firstTestYear
    Indicates the year in which an entity’s first test or testing activity took place.
  • B. firstDemonstrated
    Indicates that one entity was the earliest to show, prove, or exemplify a particular concept, method, or capability in relation to another entity or context.
  • C. wasFirstObservedIn
    Indicates that an entity was initially noticed, recorded, or detected at a particular time or place.
  • D. firstUsedOn
    Indicates the date, time, or context in which something was initially applied, activated, or put into use on a particular object or entity.
  • E. firstAppearedAt chosen
    Indicates the point in time or specific event at which an entity was first introduced, observed, or became known.
  • 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_69aed937fa8881908208ef3801060826 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aee634c6ac819099653c660c286746 completed March 9, 2026, 3:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4f040676c8190aa3a7952a9d6f62b completed March 14, 2026, 5:21 a.m.
NEDg Description generation batch_69b4f159d7e88190a76d51378ba141d3 completed March 14, 2026, 5:25 a.m.
NED2 Entity disambiguation (via description) batch_69b4f220f9388190b2c3615f713f01f2 completed March 14, 2026, 5:29 a.m.
PD Predicate disambiguation batch_69aee3d3c92c819081d9d5c45ef37a5d completed March 9, 2026, 3:14 p.m.
Created at: March 9, 2026, 3:12 p.m.