Triple
T9808521
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chandra’s Surface Thermophysical Experiment |
E238211
|
entity |
| Predicate | spacecraft |
P4019
|
FINISHED |
| Object | Chandrayaan-2 Vikram lander |
E238205
|
NE FINISHED |
How this triple was built (2 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: Chandrayaan-2 Vikram lander | Statement: [Chandra’s Surface Thermophysical Experiment, spacecraft, Chandrayaan-2 Vikram lander]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chandrayaan-2 Vikram lander Context triple: [Chandra’s Surface Thermophysical Experiment, spacecraft, Chandrayaan-2 Vikram lander]
-
A.
Chandrayaan-2
Chandrayaan-2 is India’s second lunar exploration mission, designed to study the Moon’s south polar region with an orbiter, lander, and rover.
-
B.
Chandrayaan-3
Chandrayaan-3 is India’s third lunar exploration mission that successfully achieved a soft landing near the Moon’s south pole, marking a major milestone for the Indian Space Research Organisation.
-
C.
Chandrayaan-1
Chandrayaan-1 was India’s first lunar probe, launched in 2008, which successfully orbited the Moon and helped confirm the presence of water molecules on the lunar surface.
-
D.
lander Vikram
chosen
Lander Vikram is the lunar lander of India’s Chandrayaan-2 mission, designed to perform a soft landing near the Moon’s south polar region and deploy the Pragyan rover.
-
E.
Luna 25
Luna 25 is a Russian lunar lander mission aimed at conducting scientific research and demonstrating landing technology near the Moon’s south polar region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca84defac48190abc1148804f184c1 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb21ef32c8190ab4b09d157798451 |
completed | April 2, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1d5aecdec81909fae349945406c6c |
completed | April 5, 2026, 3:23 a.m. |
Created at: March 30, 2026, 8:29 p.m.