Triple

T2139154
Position Surface form Disambiguated ID Type / Status
Subject Chandrayaan-2 E46720 entity
Predicate instrumentsOnLander P37033 FINISHED
Object Chandra’s Surface Thermophysical Experiment
Chandra’s Surface Thermophysical Experiment is a scientific instrument on India’s Chandrayaan-2 lunar mission designed to study the Moon’s surface temperature and thermal properties.
E238211 NE FINISHED

How this triple was built (5 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: Chandra’s Surface Thermophysical Experiment | Statement: [Chandrayaan-2, instrumentsOnLander, Chandra’s Surface Thermophysical Experiment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chandra’s Surface Thermophysical Experiment
Context triple: [Chandrayaan-2, instrumentsOnLander, Chandra’s Surface Thermophysical Experiment]
  • A. Neil Gehrels Swift Observatory
    The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
  • B. MICROSCOPE satellite mission
    The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
  • C. Dawn mission
    The Dawn mission was a NASA space probe that studied the two largest bodies in the asteroid belt, Vesta and Ceres, to investigate the conditions and processes of the early solar system.
  • D. NuSTAR Nuclear Spectroscopic Telescope Array
    NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
  • E. SOHO mission
    The SOHO mission (Solar and Heliospheric Observatory) is a joint ESA–NASA space observatory launched in 1995 to study the Sun’s interior, atmosphere, and solar wind, greatly advancing our understanding of solar physics and space weather.
  • 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: Chandra’s Surface Thermophysical Experiment
Triple: [Chandrayaan-2, instrumentsOnLander, Chandra’s Surface Thermophysical Experiment]
Generated description
Chandra’s Surface Thermophysical Experiment is a scientific instrument on India’s Chandrayaan-2 lunar mission designed to study the Moon’s surface temperature and thermal properties.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chandra’s Surface Thermophysical Experiment
Target entity description: Chandra’s Surface Thermophysical Experiment is a scientific instrument on India’s Chandrayaan-2 lunar mission designed to study the Moon’s surface temperature and thermal properties.
  • A. Neil Gehrels Swift Observatory
    The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
  • B. MICROSCOPE satellite mission
    The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
  • C. Dawn mission
    The Dawn mission was a NASA space probe that studied the two largest bodies in the asteroid belt, Vesta and Ceres, to investigate the conditions and processes of the early solar system.
  • D. NuSTAR Nuclear Spectroscopic Telescope Array
    NuSTAR (Nuclear Spectroscopic Telescope Array) is a space-based X-ray observatory that uses high-energy focusing optics to study black holes, neutron stars, supernova remnants, and other energetic cosmic phenomena.
  • E. SOHO mission
    The SOHO mission (Solar and Heliospheric Observatory) is a joint ESA–NASA space observatory launched in 1995 to study the Sun’s interior, atmosphere, and solar wind, greatly advancing our understanding of solar physics and space weather.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: instrumentsOnLander
Context triple: [Chandrayaan-2, instrumentsOnLander, Chandra’s Surface Thermophysical Experiment]
  • A. callSignLunarModule
    Indicates the designated radio call sign assigned to a specific lunar module.
  • B. spacecraft
    Indicates that an entity is a vehicle or object designed to travel or operate in outer space.
  • C. orbiterDryMass
    Indicates the mass of an orbiter spacecraft excluding any propellant or consumable fluids.
  • D. notableOrbiter
    Indicates that one entity is a particularly significant or well-known artificial satellite or spacecraft that orbits another entity.
  • E. carriedAstronaut
    Indicates that one entity transported or bore an astronaut from one place or state to another.
  • F. None of above. chosen

Provenance (7 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_69a88a174ab48190a5db20c132e5dccf completed March 4, 2026, 7:37 p.m.
NER Named-entity recognition batch_69abbf74147c81908793c3694894f94a completed March 7, 2026, 6:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae51b1290c8190a08850b428c99a6c completed March 9, 2026, 4:50 a.m.
NEDg Description generation batch_69ae55923b748190bf7a2df3ae94edc8 completed March 9, 2026, 5:07 a.m.
NED2 Entity disambiguation (via description) batch_69ae55fdc32c8190b6ecdc9b23d64cc5 completed March 9, 2026, 5:09 a.m.
PD Predicate disambiguation batch_69abbd96a3b0819081efbfef975e1513 completed March 7, 2026, 5:54 a.m.
PDg Predicate description generation batch_69abbf71edf08190add69022aabfd49d completed March 7, 2026, 6:02 a.m.
Created at: March 4, 2026, 7:44 p.m.