Triple

T7771499
Position Surface form Disambiguated ID Type / Status
Subject Saturn V S-II second stage E179083 entity
Predicate engineType P1585 FINISHED
Object J-2 rocket engine E130634 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: J-2 rocket engine | Statement: [Saturn V S-II second stage, engineType, J-2 rocket engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: J-2 rocket engine
Context triple: [Saturn V S-II second stage, engineType, J-2 rocket engine]
  • A. J-2 chosen
    The J-2 was a liquid-fueled rocket engine used on NASA’s Saturn rockets to power upper stages during the Apollo and early Skylab missions.
  • B. J-2
    J-2 is the military staff directorate responsible for intelligence, surveillance, and reconnaissance support to joint commanders.
  • C. RS-68 engine
    The RS-68 engine is a powerful liquid-fueled rocket engine used primarily on the Delta IV launch vehicle, known for its high thrust and simplified design for cost-effective heavy-lift missions.
  • D. Raptor engine
    The Raptor engine is SpaceX’s next-generation full-flow staged combustion methane-fueled rocket engine designed to power the Starship launch system.
  • E. F-1 engine
    The F-1 engine is a powerful liquid-fueled rocket engine developed by Rocketdyne and famously used on NASA’s Saturn V launch vehicle to provide the immense thrust needed for Apollo Moon missions.
  • 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_69c69f30602c819082ab52cd4af5c592 completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c7045ebae88190a04c8f972795e615 completed March 27, 2026, 10:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8c7ead45c8190847365d8549eefab completed March 29, 2026, 6:34 a.m.
Created at: March 27, 2026, 4:11 p.m.