Triple

T16258379
Position Surface form Disambiguated ID Type / Status
Subject MSL E394687 entity
Predicate hasInstrument P35 FINISHED
Object APXS (Alpha Particle X-ray Spectrometer)
The APXS (Alpha Particle X-ray Spectrometer) is a scientific instrument used on Mars rovers to determine the elemental composition of rocks and soil by bombarding them with alpha particles and X-rays and analyzing the emitted spectra.
E1203686 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: APXS (Alpha Particle X-ray Spectrometer) | Statement: [MSL, hasInstrument, APXS (Alpha Particle X-ray Spectrometer)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: APXS (Alpha Particle X-ray Spectrometer)
Context triple: [MSL, hasInstrument, APXS (Alpha Particle X-ray Spectrometer)]
  • A. 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.
  • B. SAM (Sample Analysis at Mars)
    SAM (Sample Analysis at Mars) is a suite of scientific instruments on NASA's Curiosity rover designed to analyze Martian rocks, soil, and atmosphere for their chemical and isotopic composition, including potential organic compounds.
  • 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. SuperCam
    SuperCam is a remote-sensing instrument on NASA's Perseverance Mars rover that uses lasers, cameras, and spectrometers to analyze the composition of Martian rocks and soil from a distance.
  • E. 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.
  • 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: APXS (Alpha Particle X-ray Spectrometer)
Triple: [MSL, hasInstrument, APXS (Alpha Particle X-ray Spectrometer)]
Generated description
The APXS (Alpha Particle X-ray Spectrometer) is a scientific instrument used on Mars rovers to determine the elemental composition of rocks and soil by bombarding them with alpha particles and X-rays and analyzing the emitted spectra.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: APXS (Alpha Particle X-ray Spectrometer)
Target entity description: The APXS (Alpha Particle X-ray Spectrometer) is a scientific instrument used on Mars rovers to determine the elemental composition of rocks and soil by bombarding them with alpha particles and X-rays and analyzing the emitted spectra.
  • A. 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.
  • B. SAM (Sample Analysis at Mars)
    SAM (Sample Analysis at Mars) is a suite of scientific instruments on NASA's Curiosity rover designed to analyze Martian rocks, soil, and atmosphere for their chemical and isotopic composition, including potential organic compounds.
  • 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. SuperCam
    SuperCam is a remote-sensing instrument on NASA's Perseverance Mars rover that uses lasers, cameras, and spectrometers to analyze the composition of Martian rocks and soil from a distance.
  • E. 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.
  • 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_69d87f221d8081909b0b2063e7528ba2 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e245c1fa208190995feaeba766b45f completed April 17, 2026, 2:37 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0017b3b48c8190ad0043d730b1da35 completed May 10, 2026, 5:29 a.m.
NEDg Description generation batch_6a0018951f888190b70e098e4af3a90a completed May 10, 2026, 5:33 a.m.
NED2 Entity disambiguation (via description) batch_6a00190887088190a5a0eb2cfd674c98 completed May 10, 2026, 5:35 a.m.
Created at: April 10, 2026, 5:04 a.m.