Triple

T8055390
Position Surface form Disambiguated ID Type / Status
Subject Merlin 1D sea-level E187985 entity
Predicate usedOn P2367 FINISHED
Object Falcon 9 first stage
The Falcon 9 first stage is the reusable booster segment of SpaceX’s Falcon 9 rocket, designed to provide the initial thrust for launch and then return for controlled landing and refurbishment.
 E707031 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: Falcon 9 first stage | Statement: [Merlin 1D sea-level, usedOn, Falcon 9 first stage]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Falcon 9 first stage
Context triple: [Merlin 1D sea-level, usedOn, Falcon 9 first stage]
  • A. Falcon 9 first stage booster B1031
    Falcon 9 first stage booster B1031 is a reusable SpaceX rocket booster notable for flying multiple orbital missions, including early reflights that demonstrated the viability of booster reusability.
  • B. Falcon 9 first stage booster B1064
    Falcon 9 first stage booster B1064 is a reusable SpaceX rocket booster that has flown multiple missions, including classified launches for the U.S. Space Force.
  • C. Falcon 9 first stage booster B1065
    Falcon 9 first stage booster B1065 is a reusable SpaceX rocket booster that has flown national security missions for the U.S. Space Force, including the USSF-67 launch.
  • D. Falcon 9 rocket
    The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster landings.
  • E. Starship upper stage
    The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
  • 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: Falcon 9 first stage
Triple: [Merlin 1D sea-level, usedOn, Falcon 9 first stage]
Generated description
The Falcon 9 first stage is the reusable booster segment of SpaceX’s Falcon 9 rocket, designed to provide the initial thrust for launch and then return for controlled landing and refurbishment.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Falcon 9 first stage
Target entity description: The Falcon 9 first stage is the reusable booster segment of SpaceX’s Falcon 9 rocket, designed to provide the initial thrust for launch and then return for controlled landing and refurbishment.
  • A. Falcon 9 first stage booster B1031
    Falcon 9 first stage booster B1031 is a reusable SpaceX rocket booster notable for flying multiple orbital missions, including early reflights that demonstrated the viability of booster reusability.
  • B. Falcon 9 first stage booster B1064
    Falcon 9 first stage booster B1064 is a reusable SpaceX rocket booster that has flown multiple missions, including classified launches for the U.S. Space Force.
  • C. Falcon 9 first stage booster B1065
    Falcon 9 first stage booster B1065 is a reusable SpaceX rocket booster that has flown national security missions for the U.S. Space Force, including the USSF-67 launch.
  • D. Falcon 9 rocket
    The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster landings.
  • E. Starship upper stage
    The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
  • 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_69ca82b2f68881908c50560697e210da completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3fa16804819094926ff2ff053c80 completed March 31, 2026, 3:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc5725c5308190b2eb565902124b10 completed March 31, 2026, 11:22 p.m.
NEDg Description generation batch_69cc58ae255c8190a6a2d2f335c6cc3f completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cd22b188190b8a31e8e8ac8b98d completed March 31, 2026, 11:46 p.m.
Created at: March 30, 2026, 5:25 p.m.