Triple

T4618410
Position Surface form Disambiguated ID Type / Status
Subject MESSENGER E100921 entity
Predicate instrument P792 FINISHED
Object 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.
E459086 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: Mercury Atmospheric and Surface Composition Spectrometer | Statement: [MESSENGER, instrument, Mercury Atmospheric and Surface Composition Spectrometer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mercury Atmospheric and Surface Composition Spectrometer
Context triple: [MESSENGER, instrument, Mercury Atmospheric and Surface Composition Spectrometer]
  • A. Mars Environmental Dynamics Analyzer
    The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
  • B. 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.
  • C. Miniature Thermal Emission Spectrometer
    The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
  • D. Planetary Fourier Spectrometer
    The Planetary Fourier Spectrometer is a scientific instrument designed to analyze the composition and temperature structure of planetary atmospheres using infrared spectroscopy.
  • E. Atmospheric Trace Molecule Spectroscopy experiment
    The Atmospheric Trace Molecule Spectroscopy (ATMOS) experiment was a spaceborne instrument designed to measure and analyze trace gases in Earth’s atmosphere to study its composition, chemistry, and long-term changes.
  • 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: Mercury Atmospheric and Surface Composition Spectrometer
Triple: [MESSENGER, instrument, Mercury Atmospheric and Surface Composition Spectrometer]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mercury Atmospheric and Surface Composition Spectrometer
Target entity description: 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.
  • A. Mars Environmental Dynamics Analyzer
    The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
  • B. 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.
  • C. Miniature Thermal Emission Spectrometer
    The Miniature Thermal Emission Spectrometer is a compact infrared instrument used on NASA’s Mars Exploration Rovers to analyze the mineral composition and thermal properties of Martian rocks and soil.
  • D. Planetary Fourier Spectrometer
    The Planetary Fourier Spectrometer is a scientific instrument designed to analyze the composition and temperature structure of planetary atmospheres using infrared spectroscopy.
  • E. Atmospheric Trace Molecule Spectroscopy experiment
    The Atmospheric Trace Molecule Spectroscopy (ATMOS) experiment was a spaceborne instrument designed to measure and analyze trace gases in Earth’s atmosphere to study its composition, chemistry, and long-term changes.
  • 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_69bd43cf363c819087fd5ab441b4a3f4 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd59e247448190ad92f194cb1127c5 completed March 20, 2026, 2:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdfa916f4c8190a53bb37ff46ed0b5 completed March 21, 2026, 1:55 a.m.
NEDg Description generation batch_69bdfb5502c48190b7679941b83e6e0c completed March 21, 2026, 1:58 a.m.
NED2 Entity disambiguation (via description) batch_69bdff53680c8190a62aace0f0c9f3b3 completed March 21, 2026, 2:15 a.m.
Created at: March 20, 2026, 1:12 p.m.