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.