Triple
T4885804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tianwen-1 |
E109435
|
entity |
| Predicate | landingSite |
P2462
|
FINISHED |
| Object |
Utopia Planitia
Utopia Planitia is a vast plain in Mars’ northern lowlands, notable as a major landing region for multiple Mars missions.
|
E480821
|
NE FINISHED |
How this triple was built (4 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: Utopia Planitia | Statement: [Tianwen-1, landingSite, Utopia Planitia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Utopia Planitia Context triple: [Tianwen-1, landingSite, Utopia Planitia]
-
A.
Meridiani Planum
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.
Chryse Planitia
Chryse Planitia is a broad, low-lying plain in Mars’s northern hemisphere that has served as a major landing site for robotic missions exploring the Martian surface.
-
C.
Isidis Planitia region
The Isidis Planitia region is a vast impact basin on Mars that hosts diverse geological features, including the Jezero Crater landing site of NASA’s Perseverance rover.
-
D.
Gale Crater
Gale Crater is a large impact crater on Mars that has been extensively explored for its layered geological history and past habitability clues.
-
E.
Caloris Basin
Caloris Basin is one of the largest and youngest impact basins in the Solar System, forming a prominent multi-ringed geological feature on the planet Mercury.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Utopia Planitia Triple: [Tianwen-1, landingSite, Utopia Planitia]
Generated description
Utopia Planitia is a vast plain in Mars’ northern lowlands, notable as a major landing region for multiple Mars missions.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Utopia Planitia Target entity description: Utopia Planitia is a vast plain in Mars’ northern lowlands, notable as a major landing region for multiple Mars missions.
-
A.
Meridiani Planum
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.
Chryse Planitia
Chryse Planitia is a broad, low-lying plain in Mars’s northern hemisphere that has served as a major landing site for robotic missions exploring the Martian surface.
-
C.
Isidis Planitia region
The Isidis Planitia region is a vast impact basin on Mars that hosts diverse geological features, including the Jezero Crater landing site of NASA’s Perseverance rover.
-
D.
Gale Crater
Gale Crater is a large impact crater on Mars that has been extensively explored for its layered geological history and past habitability clues.
-
E.
Caloris Basin
Caloris Basin is one of the largest and youngest impact basins in the Solar System, forming a prominent multi-ringed geological feature on the planet Mercury.
- F. None of above. chosen
Provenance (5 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_69bd440f71348190b99938e59fb7f9a1 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6e01872c81909607010c10538ad1 |
completed | March 20, 2026, 3:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77975ad08190a427bcf1c01e364f |
completed | March 21, 2026, 10:48 a.m. |
| NEDg | Description generation | batch_69be7847a378819081687ec783a8b862 |
completed | March 21, 2026, 10:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be7915a26c81909b21a128daebf5b3 |
completed | March 21, 2026, 10:55 a.m. |
Created at: March 20, 2026, 1:28 p.m.