Triple
T19382100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MER-B |
E484836
|
entity |
| Predicate | traveledTo |
P2694
|
FINISHED |
| Object | Opportunity landing site (Challenger Memorial Station) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Opportunity landing site (Challenger Memorial Station) | Statement: [MER-B, traveledTo, Opportunity landing site (Challenger Memorial Station)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Opportunity landing site (Challenger Memorial Station) Context triple: [MER-B, traveledTo, Opportunity landing site (Challenger Memorial Station)]
-
A.
Columbia Hills on Mars
Columbia Hills on Mars is a range of hills within Gusev Crater explored by NASA’s Spirit rover, named in honor of the Space Shuttle Columbia and its crew.
-
B.
Mars Climate Station
Mars Climate Station is a scientific instrument aboard China’s Zhurong Mars rover designed to monitor the Martian atmosphere and weather conditions.
-
C.
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.
-
D.
Phoenix lander
The Phoenix lander was a NASA spacecraft that successfully touched down in Mars’ polar region in 2008 to study the planet’s water ice and soil chemistry in search of habitable conditions.
-
E.
Mars Exploration Rover mission
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Opportunity landing site (Challenger Memorial Station) Target entity description: Opportunity landing site (Challenger Memorial Station) is the designated Martian location in Meridiani Planum where NASA’s Opportunity rover touched down and began its exploration mission.
-
A.
Columbia Hills on Mars
Columbia Hills on Mars is a range of hills within Gusev Crater explored by NASA’s Spirit rover, named in honor of the Space Shuttle Columbia and its crew.
-
B.
Mars Climate Station
Mars Climate Station is a scientific instrument aboard China’s Zhurong Mars rover designed to monitor the Martian atmosphere and weather conditions.
-
C.
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.
-
D.
Phoenix lander
The Phoenix lander was a NASA spacecraft that successfully touched down in Mars’ polar region in 2008 to study the planet’s water ice and soil chemistry in search of habitable conditions.
-
E.
Mars Exploration Rover mission
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.
- F. None of above. chosen
Provenance (2 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. |
Created at: April 10, 2026, 1:35 p.m.