Triple

T16921670
Position Surface form Disambiguated ID Type / Status
Subject Ibuki-2 E410456 entity
Predicate spacecraftBus P12569 FINISHED
Object JAXA satellite bus
The JAXA satellite bus is a standardized spacecraft platform developed by the Japan Aerospace Exploration Agency to support a variety of Earth observation and scientific satellites.
 E1241841 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: JAXA satellite bus | Statement: [Ibuki-2, spacecraftBus, JAXA satellite bus]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JAXA satellite bus
Context triple: [Ibuki-2, spacecraftBus, JAXA satellite bus]
  • A. OMOTENASHI CubeSat
    OMOTENASHI CubeSat is a small Japanese spacecraft designed by JAXA to demonstrate low-cost lunar landing and surface exploration technologies.
  • B. BCP 2000 satellite bus
    The BCP 2000 satellite bus is a high-power, modular spacecraft platform developed by Boeing for large, long-life communications and Earth-observation satellites in geostationary and other orbits.
  • C. JAXA ground and launch network
    The JAXA ground and launch network is Japan’s integrated system of spaceports, tracking stations, and support facilities that manage rocket launches and satellite operations for the Japan Aerospace Exploration Agency.
  • D. JAXA ASTRO series
    The JAXA ASTRO series is a line of Japanese X-ray astronomy satellites developed by JAXA to study high-energy phenomena in the universe.
  • E. TRW spacecraft bus
    The TRW spacecraft bus is a satellite platform developed by TRW that provides the structural support, power, propulsion, and control systems for space observatories and other spacecraft.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JAXA satellite bus
Target entity description: The JAXA satellite bus is a standardized spacecraft platform developed by the Japan Aerospace Exploration Agency to support a variety of Earth observation and scientific satellites.
  • A. OMOTENASHI CubeSat
    OMOTENASHI CubeSat is a small Japanese spacecraft designed by JAXA to demonstrate low-cost lunar landing and surface exploration technologies.
  • B. BCP 2000 satellite bus
    The BCP 2000 satellite bus is a high-power, modular spacecraft platform developed by Boeing for large, long-life communications and Earth-observation satellites in geostationary and other orbits.
  • C. JAXA ground and launch network
    The JAXA ground and launch network is Japan’s integrated system of spaceports, tracking stations, and support facilities that manage rocket launches and satellite operations for the Japan Aerospace Exploration Agency.
  • D. JAXA ASTRO series
    The JAXA ASTRO series is a line of Japanese X-ray astronomy satellites developed by JAXA to study high-energy phenomena in the universe.
  • E. TRW spacecraft bus
    The TRW spacecraft bus is a satellite platform developed by TRW that provides the structural support, power, propulsion, and control systems for space observatories and other spacecraft.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: JAXA satellite bus
Triple: [Ibuki-2, spacecraftBus, JAXA satellite bus]
Generated description
The JAXA satellite bus is a standardized spacecraft platform developed by the Japan Aerospace Exploration Agency to support a variety of Earth observation and scientific satellites.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d886c7b1e481908c3766dfa8c13458 elicitation completed
NER batch_69e3cdef7df881908b69aa3c4f50ef94 ner completed
NED1 batch_6a00cfd3c488819089e3791c7e704baf ned_source_triple completed
NED2 batch_6a00d1e024e88190bfcb50b42f37949b ned_description completed
NEDg batch_6a00d0e1650881909eacc90cf99787f4 nedg completed
Created at: April 10, 2026, 5:30 a.m.