Triple
T17408000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Perseverance |
E423269
|
entity |
| Predicate | firstLandingAttemptOn |
P127352
|
FINISHED |
| Object | Jezero Crater |
—
|
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: Jezero Crater | Statement: [Perseverance, firstLandingAttemptOn, Jezero Crater]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jezero Crater Context triple: [Perseverance, firstLandingAttemptOn, Jezero Crater]
-
A.
Jezero Crater
chosen
Jezero Crater is an ancient impact basin on Mars that once hosted a lake and river delta, making it a prime site for studying past habitability and searching for signs of ancient life.
-
B.
Occator Crater
Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
-
C.
Roche crater
Roche crater is a prominent impact feature on Mars’s moon Phobos, named after the French astronomer Édouard Roche.
-
D.
Stebbins crater
Stebbins crater is an impact crater on the Moon named after American astronomer Joel Stebbins.
-
E.
Krafft crater
Krafft crater is a prominent lunar impact crater on the Moon’s near side, situated in the Oceanus Procellarum region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: firstLandingAttemptOn Context triple: [Perseverance, firstLandingAttemptOn, Jezero Crater]
-
A.
firstLandingBy
Indicates that one entity is the earliest or initial instance to arrive, land, or touch down at a particular place or target relative to others.
-
B.
firstToLand
Indicates that the subject is the earliest or initial entity to arrive at or touch down on a particular place or surface.
-
C.
firstSoftLandingBy
Indicates that the subject is the first entity to successfully achieve a soft landing on the object.
-
D.
firstSuccessfulCrewedMission
Indicates that the subject entity is the earliest crewed mission to achieve a specified success criterion for the object entity (such as a destination, program, or objective).
-
E.
firstLunarLandingDate
Indicates the calendar date on which an entity’s first lunar landing occurred.
- F. None of above. chosen
Provenance (4 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_69d889d7d27c819088486ce3f0627fa1 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43b08d5a881909e7a5b2ae2c60898 |
completed | April 19, 2026, 2:16 a.m. |
| PD | Predicate disambiguation | batch_69e3b02e6cc88190986e85e64ce9383e |
completed | April 18, 2026, 4:24 p.m. |
| PDg | Predicate description generation | batch_69e3b2a33e8481908fa6ef45290d08aa |
completed | April 18, 2026, 4:34 p.m. |
Created at: April 10, 2026, 5:46 a.m.