Triple

T4185542
Position Surface form Disambiguated ID Type / Status
Subject Chicago Pile-2 E88301 entity
Predicate category P87 FINISHED
Object Manhattan Project reactor E88301 NE FINISHED

How this triple was built (2 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: Manhattan Project reactor | Statement: [Chicago Pile-2, category, Manhattan Project reactor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Manhattan Project reactor
Context triple: [Chicago Pile-2, category, Manhattan Project reactor]
  • A. K-25 Project
    The K-25 Project was a World War II–era Manhattan Project effort to build and operate a massive gaseous diffusion plant for uranium enrichment in Oak Ridge, Tennessee.
  • B. Chicago Pile-2 chosen
    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.
  • C. Chicago Pile-1
    Chicago Pile-1 was the world’s first artificial nuclear reactor, achieving the first controlled, self-sustaining nuclear chain reaction in 1942 under the leadership of Enrico Fermi.
  • D. Hanford production reactors
    The Hanford production reactors were a series of plutonium-producing nuclear reactors built during and after World War II at the Hanford Site in Washington State as part of the U.S. nuclear weapons program.
  • E. X-10 graphite reactor
    The X-10 graphite reactor was an early nuclear reactor at Oak Ridge, Tennessee, built during the Manhattan Project as a pilot plant for plutonium production and a key step toward the development of nuclear weapons and nuclear energy.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69aed9477e8c81908bcb862d2db55b1d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af032318bc81908345db0753f8ba66 completed March 9, 2026, 5:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69b58a00e3308190b4fbed211069204a completed March 14, 2026, 4:17 p.m.
Created at: March 9, 2026, 3:45 p.m.