Triple
T19382070
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MER-B |
E484836
|
entity |
| Predicate | program |
P804
|
FINISHED |
| Object | Mars Exploration Rover |
E88133
|
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: Mars Exploration Rover | Statement: [MER-B, program, Mars Exploration Rover]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mars Exploration Rover Context triple: [MER-B, program, Mars Exploration Rover]
-
A.
Mars Exploration Rover mission
chosen
The Mars Exploration Rover mission was a NASA program that sent the twin rovers Spirit and Opportunity to Mars to study the planet’s geology and past water activity, achieving far longer and more scientifically productive operations than originally planned.
-
B.
Mars Odyssey mission
The Mars Odyssey mission is a NASA spacecraft launched in 2001 that orbits Mars to map its surface, study its climate and geology, and search for signs of water and radiation conditions relevant to future human exploration.
-
C.
Mars Pathfinder
Mars Pathfinder was a NASA mission that successfully landed a stationary base and the Sojourner rover on Mars in 1997, demonstrating innovative low-cost technologies for planetary exploration.
-
D.
Opportunity rover
Opportunity rover was a NASA robotic rover that conducted a long-duration geological and atmospheric exploration mission on the surface of Mars as part of the Mars Exploration Rover program.
-
E.
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.
- 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_69d8e8d460d88190abf0591c5c9d2b0c |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e61a6075a88190aed7afa3b8fd3021 |
completed | April 20, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a072b7ec8ac8190b9330f239e44f795 |
completed | May 15, 2026, 2:19 p.m. |
Created at: April 10, 2026, 1:35 p.m.