Triple

T4885760
Position Surface form Disambiguated ID Type / Status
Subject MAVEN E109434 entity
Predicate carriesInstrument P53466 FINISHED
Object Neutral Gas and Ion Mass Spectrometer
The Neutral Gas and Ion Mass Spectrometer is a scientific instrument designed to measure the composition and isotopes of neutral gases and ions in a planetary atmosphere, such as that of Mars.
 E476456 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: Neutral Gas and Ion Mass Spectrometer | Statement: [MAVEN, carriesInstrument, Neutral Gas and Ion Mass Spectrometer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Neutral Gas and Ion Mass Spectrometer
Context triple: [MAVEN, carriesInstrument, Neutral Gas and Ion Mass Spectrometer]
  • A. Energetic Particle and Plasma Spectrometer
    The Energetic Particle and Plasma Spectrometer is a scientific instrument designed to measure high-energy particles and plasma environments in space, notably used aboard NASA’s MESSENGER mission to study Mercury’s magnetosphere and solar wind interactions.
  • B. Mercury Atmospheric and Surface Composition Spectrometer
    The Mercury Atmospheric and Surface Composition Spectrometer is a scientific instrument on NASA’s MESSENGER spacecraft designed to analyze Mercury’s thin atmosphere and surface materials using ultraviolet and visible-light spectroscopy.
  • C. Mars Exospheric Neutral Composition Analyser
    The Mars Exospheric Neutral Composition Analyser is a scientific instrument designed to study the composition and structure of Mars’ upper atmosphere and exosphere.
  • D. Gamma-Ray and Neutron Spectrometer
    The Gamma-Ray and Neutron Spectrometer is a scientific instrument designed to measure gamma rays and neutrons to determine the elemental composition of a planetary surface.
  • E. Radio and Plasma Waves instrument
    The Radio and Plasma Waves instrument is a scientific payload on ESA's Solar Orbiter designed to measure radio emissions and plasma wave phenomena in the solar wind to study the Sun’s atmosphere and heliosphere.
  • 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: Neutral Gas and Ion Mass Spectrometer
Triple: [MAVEN, carriesInstrument, Neutral Gas and Ion Mass Spectrometer]
Generated description
The Neutral Gas and Ion Mass Spectrometer is a scientific instrument designed to measure the composition and isotopes of neutral gases and ions in a planetary atmosphere, such as that of Mars.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Neutral Gas and Ion Mass Spectrometer
Target entity description: The Neutral Gas and Ion Mass Spectrometer is a scientific instrument designed to measure the composition and isotopes of neutral gases and ions in a planetary atmosphere, such as that of Mars.
  • A. Energetic Particle and Plasma Spectrometer
    The Energetic Particle and Plasma Spectrometer is a scientific instrument designed to measure high-energy particles and plasma environments in space, notably used aboard NASA’s MESSENGER mission to study Mercury’s magnetosphere and solar wind interactions.
  • B. Mercury Atmospheric and Surface Composition Spectrometer
    The Mercury Atmospheric and Surface Composition Spectrometer is a scientific instrument on NASA’s MESSENGER spacecraft designed to analyze Mercury’s thin atmosphere and surface materials using ultraviolet and visible-light spectroscopy.
  • C. Mars Exospheric Neutral Composition Analyser
    The Mars Exospheric Neutral Composition Analyser is a scientific instrument designed to study the composition and structure of Mars’ upper atmosphere and exosphere.
  • D. Gamma-Ray and Neutron Spectrometer
    The Gamma-Ray and Neutron Spectrometer is a scientific instrument designed to measure gamma rays and neutrons to determine the elemental composition of a planetary surface.
  • E. Radio and Plasma Waves instrument
    The Radio and Plasma Waves instrument is a scientific payload on ESA's Solar Orbiter designed to measure radio emissions and plasma wave phenomena in the solar wind to study the Sun’s atmosphere and heliosphere.
  • 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_69bd440f71348190b99938e59fb7f9a1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6e01872c81909607010c10538ad1 completed March 20, 2026, 3:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69be680fd1508190bc01caeea8f56f84 completed March 21, 2026, 9:42 a.m.
NEDg Description generation batch_69be68e3ff288190803d77350a3ce6a5 completed March 21, 2026, 9:46 a.m.
NED2 Entity disambiguation (via description) batch_69be695116788190903fbd5e375bd31d completed March 21, 2026, 9:48 a.m.
Created at: March 20, 2026, 1:28 p.m.