Triple

T3737702
Position Surface form Disambiguated ID Type / Status
Subject Chandra X-ray Observatory E79623 entity
Predicate spacecraftBus P12569 FINISHED
Object 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.
E384057 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: TRW spacecraft bus | Statement: [Chandra X-ray Observatory, spacecraftBus, TRW spacecraft bus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: TRW spacecraft bus
Context triple: [Chandra X-ray Observatory, spacecraftBus, TRW spacecraft bus]
  • A. Spartan-Halley free-flyer
    Spartan-Halley free-flyer was an autonomous, reusable NASA spacecraft designed to study Halley’s Comet by conducting short-duration, targeted observations while deployed from and later retrieved by the Space Shuttle.
  • B. Agena Target Vehicle
    The Agena Target Vehicle was an unmanned spacecraft used during NASA's Gemini program to practice rendezvous and docking maneuvers in Earth orbit.
  • C. ATV spacecraft
    The ATV spacecraft was an automated European cargo vehicle designed to resupply and reboost the International Space Station.
  • D. Cygnus spacecraft
    The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
  • E. DSX (Demonstration and Science Experiments) spacecraft
    The DSX (Demonstration and Science Experiments) spacecraft is a U.S. Air Force Research Laboratory mission designed to study the effects of the space environment on spacecraft components and technologies in medium Earth orbit.
  • 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: TRW spacecraft bus
Triple: [Chandra X-ray Observatory, spacecraftBus, TRW spacecraft bus]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: TRW spacecraft bus
Target entity description: 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.
  • A. Spartan-Halley free-flyer
    Spartan-Halley free-flyer was an autonomous, reusable NASA spacecraft designed to study Halley’s Comet by conducting short-duration, targeted observations while deployed from and later retrieved by the Space Shuttle.
  • B. Agena Target Vehicle
    The Agena Target Vehicle was an unmanned spacecraft used during NASA's Gemini program to practice rendezvous and docking maneuvers in Earth orbit.
  • C. ATV spacecraft
    The ATV spacecraft was an automated European cargo vehicle designed to resupply and reboost the International Space Station.
  • D. Cygnus spacecraft
    The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
  • E. DSX (Demonstration and Science Experiments) spacecraft
    The DSX (Demonstration and Science Experiments) spacecraft is a U.S. Air Force Research Laboratory mission designed to study the effects of the space environment on spacecraft components and technologies in medium Earth orbit.
  • 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_69ad8b115610819095b02007da5ca3cb completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adcb3e9248819098d481fe29e1c628 completed March 8, 2026, 7:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4db20bdfc81909cd27278ff5d9716 completed March 14, 2026, 3:50 a.m.
NEDg Description generation batch_69b4dbeb2a2881908bfa05613fafc53c completed March 14, 2026, 3:54 a.m.
NED2 Entity disambiguation (via description) batch_69b4dc65c88c8190b1215fed2451d45f completed March 14, 2026, 3:56 a.m.
Created at: March 8, 2026, 3:34 p.m.