Triple
T19577281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Endeavour Crater |
E489890
|
entity |
| Predicate | locatedInRegion |
P40
|
FINISHED |
| Object | Meridiani Planum |
—
|
NE NERFINISHED |
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: Meridiani Planum | Statement: [Endeavour Crater, locatedInRegion, Meridiani Planum]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Meridiani Planum Context triple: [Endeavour Crater, locatedInRegion, Meridiani Planum]
-
A.
Meridiani Planum
chosen
Meridiani Planum is a flat, ancient plain on Mars notable for its layered sedimentary rocks and mineral evidence of past water, famously explored by NASA's Opportunity rover.
-
B.
Oxia Planum
Oxia Planum is a region on Mars characterized by ancient, clay-rich terrains that make it a prime site for investigating past habitability and the potential for preserved biosignatures.
-
C.
Utopia Planitia
Utopia Planitia is a vast plain in Mars’ northern lowlands, notable as a major landing region for multiple Mars missions.
-
D.
Lunae Planum region
The Lunae Planum region is a broad, relatively smooth volcanic plain on Mars located near the Tharsis rise and shaped by extensive lava flows and tectonic activity.
-
E.
Margaritifer Terra
Margaritifer Terra is a heavily cratered, ancient highland region on Mars notable for its extensive valley networks and evidence of past water activity.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8e8dd9374819098e36349b3211663 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e64025d5d081909dbb0c079d366006 |
completed | April 20, 2026, 3:03 p.m. |
Created at: April 10, 2026, 1:42 p.m.