Triple
T19298350
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Melas Chasma |
E482625
|
entity |
| Predicate | hasNearbyFeature |
P350
|
FINISHED |
| Object | Coprates Chasma |
—
|
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: Coprates Chasma | Statement: [Melas Chasma, hasNearbyFeature, Coprates Chasma]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coprates Chasma Context triple: [Melas Chasma, hasNearbyFeature, Coprates Chasma]
-
A.
Candor Chasma
Candor Chasma is a major canyon within Mars’s vast Valles Marineris system, characterized by its deep troughs and layered deposits that offer insights into the planet’s geological history.
-
B.
Ius Chasma
Ius Chasma is a large, steep-walled canyon on Mars that forms part of the vast Valles Marineris rift system.
-
C.
Ithaca Chasma
Ithaca Chasma is a vast, linear canyon system that nearly encircles Saturn’s moon Tethys and is one of the largest known chasms in the solar system.
-
D.
Tithonium Chasma
Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
-
E.
Serenity Chasma
Serenity Chasma is a vast tectonic canyon system on Pluto’s moon Charon, notable for its immense length and depth that suggest significant geological activity in the moon’s past.
- 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: Coprates Chasma Target entity description: Coprates Chasma is a major trough within Mars’ vast Valles Marineris canyon system, notable for its great depth and length across the planet’s equatorial region.
-
A.
Candor Chasma
Candor Chasma is a major canyon within Mars’s vast Valles Marineris system, characterized by its deep troughs and layered deposits that offer insights into the planet’s geological history.
-
B.
Ius Chasma
Ius Chasma is a large, steep-walled canyon on Mars that forms part of the vast Valles Marineris rift system.
-
C.
Ithaca Chasma
Ithaca Chasma is a vast, linear canyon system that nearly encircles Saturn’s moon Tethys and is one of the largest known chasms in the solar system.
-
D.
Tithonium Chasma
Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
-
E.
Serenity Chasma
Serenity Chasma is a vast tectonic canyon system on Pluto’s moon Charon, notable for its immense length and depth that suggest significant geological activity in the moon’s past.
- 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_69d8e8cf61b0819096fe3e4107827c4e |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fc86f8648190920d122bb141c6e5 |
completed | April 20, 2026, 10:14 a.m. |
Created at: April 10, 2026, 1:31 p.m.