Triple

T20846159
Position Surface form Disambiguated ID Type / Status
Subject Orbital Sciences X-34 E513230 entity
Predicate engineType P1585 FINISHED
Object Fastrac rocket engine
The Fastrac rocket engine is a low-cost, liquid-fueled rocket engine developed by NASA in the 1990s to demonstrate simplified, affordable propulsion technology for small launch vehicles and experimental craft.
E1453412 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: Fastrac rocket engine | Statement: [Orbital Sciences X-34, engineType, Fastrac rocket engine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fastrac rocket engine
Context triple: [Orbital Sciences X-34, engineType, Fastrac rocket engine]
  • A. Walter rocket engine
    The Walter rocket engine was a German World War II-era liquid-fuel rocket propulsion system, best known for powering the Messerschmitt Me 163 Komet interceptor and pioneering high-thrust, short-duration flight technology.
  • B. Curtiss-Wright XLR25 rocket engine
    The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
  • C. XLR11 rocket engine
    The XLR11 rocket engine was an early liquid-fueled rocket motor developed in the United States, best known for powering experimental high-speed research aircraft such as the Bell X-1.
  • D. Rutherford engine
    The Rutherford engine is a small, electric-pump-fed liquid rocket engine developed by Rocket Lab for its Electron launch vehicle, notable for being 3D-printed and highly efficient for small-satellite launches.
  • E. 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.
  • 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: Fastrac rocket engine
Triple: [Orbital Sciences X-34, engineType, Fastrac rocket engine]
Generated description
The Fastrac rocket engine is a low-cost, liquid-fueled rocket engine developed by NASA in the 1990s to demonstrate simplified, affordable propulsion technology for small launch vehicles and experimental craft.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fastrac rocket engine
Target entity description: The Fastrac rocket engine is a low-cost, liquid-fueled rocket engine developed by NASA in the 1990s to demonstrate simplified, affordable propulsion technology for small launch vehicles and experimental craft.
  • A. Walter rocket engine
    The Walter rocket engine was a German World War II-era liquid-fuel rocket propulsion system, best known for powering the Messerschmitt Me 163 Komet interceptor and pioneering high-thrust, short-duration flight technology.
  • B. Curtiss-Wright XLR25 rocket engine
    The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
  • C. XLR11 rocket engine
    The XLR11 rocket engine was an early liquid-fueled rocket motor developed in the United States, best known for powering experimental high-speed research aircraft such as the Bell X-1.
  • D. Rutherford engine
    The Rutherford engine is a small, electric-pump-fed liquid rocket engine developed by Rocket Lab for its Electron launch vehicle, notable for being 3D-printed and highly efficient for small-satellite launches.
  • E. 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.
  • 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_69e0b4f4898081908209e58edb8f9c45 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c34ec254819082610264c7af20c8 completed April 21, 2026, 12:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a090b03b5588190a98681307f32946f completed May 17, 2026, 12:25 a.m.
NEDg Description generation batch_6a090b872f58819087803faf1293f1b7 completed May 17, 2026, 12:27 a.m.
NED2 Entity disambiguation (via description) batch_6a090c57aef48190978b5fe94dd4feab completed May 17, 2026, 12:31 a.m.
Created at: April 16, 2026, 12:43 p.m.