Triple

T17131757
Position Surface form Disambiguated ID Type / Status
Subject Mars Global Surveyor E415734 entity
Predicate instrument P792 FINISHED
Object Mars Orbiter Laser Altimeter
The Mars Orbiter Laser Altimeter was a scientific instrument on NASA’s Mars Global Surveyor spacecraft that mapped the Red Planet’s topography by measuring surface elevations with laser pulses.
E1252949 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: Mars Orbiter Laser Altimeter | Statement: [Mars Global Surveyor, instrument, Mars Orbiter Laser Altimeter]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mars Orbiter Laser Altimeter
Context triple: [Mars Global Surveyor, instrument, Mars Orbiter Laser Altimeter]
  • A. 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.
  • 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 Climate Sounder
    Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
  • D. Lunar Orbiter Laser Altimeter
    The Lunar Orbiter Laser Altimeter is a laser-based mapping instrument that precisely measures the Moon’s surface topography and shape from lunar orbit.
  • E. Mars Descent Imager
    Mars Descent Imager is a camera system on NASA's Curiosity rover designed to capture high-resolution video of the Martian surface during the rover’s descent and landing.
  • 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: Mars Orbiter Laser Altimeter
Triple: [Mars Global Surveyor, instrument, Mars Orbiter Laser Altimeter]
Generated description
The Mars Orbiter Laser Altimeter was a scientific instrument on NASA’s Mars Global Surveyor spacecraft that mapped the Red Planet’s topography by measuring surface elevations with laser pulses.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mars Orbiter Laser Altimeter
Target entity description: The Mars Orbiter Laser Altimeter was a scientific instrument on NASA’s Mars Global Surveyor spacecraft that mapped the Red Planet’s topography by measuring surface elevations with laser pulses.
  • A. 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.
  • 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 Climate Sounder
    Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
  • D. Lunar Orbiter Laser Altimeter
    The Lunar Orbiter Laser Altimeter is a laser-based mapping instrument that precisely measures the Moon’s surface topography and shape from lunar orbit.
  • E. Mars Descent Imager
    Mars Descent Imager is a camera system on NASA's Curiosity rover designed to capture high-resolution video of the Martian surface during the rover’s descent and landing.
  • 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_69d886d15af4819092f92f8a129763e6 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f02a9fbc81909d820d29417aa55c completed April 18, 2026, 8:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01414eca3c8190aeec22fab3b5e767 completed May 11, 2026, 2:39 a.m.
NEDg Description generation batch_6a01423a771881908c2eaff14e335ee2 completed May 11, 2026, 2:43 a.m.
NED2 Entity disambiguation (via description) batch_6a01430b7e008190bc3366cc89564409 completed May 11, 2026, 2:46 a.m.
Created at: April 10, 2026, 5:36 a.m.