Triple

T4618409
Position Surface form Disambiguated ID Type / Status
Subject MESSENGER E100921 entity
Predicate instrument P792 FINISHED
Object Mercury Laser Altimeter
The Mercury Laser Altimeter is a scientific instrument designed to map Mercury’s surface topography with high precision by measuring the time it takes laser pulses to return from the planet’s surface.
E459085 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 Laser Altimeter | Statement: [MESSENGER, instrument, Mercury Laser Altimeter]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mercury Laser Altimeter
Context triple: [MESSENGER, instrument, Mercury Laser Altimeter]
  • A. Laser Ranging Instrument
    The Laser Ranging Instrument is a scientific device used to measure precise distances—such as between a spacecraft and a celestial body—by timing the travel of laser pulses.
  • B. 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.
  • C. Mars Global Surveyor
    Mars Global Surveyor was a NASA spacecraft that orbited Mars from 1997 to 2006, mapping its surface and studying its atmosphere, topography, and mineral composition in unprecedented detail.
  • D. Shuttle Imaging Radar-B
    Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
  • E. Mars Reconnaissance Orbiter
    Mars Reconnaissance Orbiter is a NASA spacecraft launched in 2005 that studies Mars’ atmosphere, climate, and surface in high detail while serving as a key communications relay for other Mars missions.
  • 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 Laser Altimeter
Triple: [MESSENGER, instrument, Mercury Laser Altimeter]
Generated description
The Mercury Laser Altimeter is a scientific instrument designed to map Mercury’s surface topography with high precision by measuring the time it takes laser pulses to return from the planet’s surface.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mercury Laser Altimeter
Target entity description: The Mercury Laser Altimeter is a scientific instrument designed to map Mercury’s surface topography with high precision by measuring the time it takes laser pulses to return from the planet’s surface.
  • A. Laser Ranging Instrument
    The Laser Ranging Instrument is a scientific device used to measure precise distances—such as between a spacecraft and a celestial body—by timing the travel of laser pulses.
  • B. 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.
  • C. Mars Global Surveyor
    Mars Global Surveyor was a NASA spacecraft that orbited Mars from 1997 to 2006, mapping its surface and studying its atmosphere, topography, and mineral composition in unprecedented detail.
  • D. Shuttle Imaging Radar-B
    Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
  • E. Mars Reconnaissance Orbiter
    Mars Reconnaissance Orbiter is a NASA spacecraft launched in 2005 that studies Mars’ atmosphere, climate, and surface in high detail while serving as a key communications relay for other Mars missions.
  • 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.