Triple

T11509491
Position Surface form Disambiguated ID Type / Status
Subject Delta IV upper stage E272871 entity
Predicate usesEngine P2092 FINISHED
Object RL10B-2 E52128 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: RL10B-2 | Statement: [Delta IV upper stage, usesEngine, RL10B-2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: RL10B-2
Context triple: [Delta IV upper stage, usesEngine, RL10B-2]
  • A. RL10 chosen
    RL10 is a family of high-performance, liquid hydrogen–liquid oxygen cryogenic rocket engines developed by Aerojet Rocketdyne and widely used on U.S. upper stages such as Centaur and Delta IV.
  • B. J-2
    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.
  • C. J-2
    J-2 is the military staff directorate responsible for intelligence, surveillance, and reconnaissance support to joint commanders.
  • D. 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.
  • E. Aerojet AJ10 engine family
    The Aerojet AJ10 engine family is a long-serving series of hypergolic liquid-fuel rocket engines used on numerous U.S. spacecraft for orbital maneuvering and spacecraft propulsion, including early crewed and uncrewed 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_69d6aae2c3748190bed2ea50dfb160dc completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d86db65eb081908613a1002c6a4fb4 completed April 10, 2026, 3:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69e624f5c9608190bde28a59860b3c93 completed April 20, 2026, 1:07 p.m.
Created at: April 8, 2026, 9:36 p.m.