Triple
T4885573
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Valles Marineris |
E109430
|
entity |
| Predicate | hasSubfeature |
P25619
|
FINISHED |
| Object |
Tithonium Chasma
Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
|
E480819
|
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: Tithonium Chasma | Statement: [Valles Marineris, hasSubfeature, Tithonium Chasma]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tithonium Chasma Context triple: [Valles Marineris, hasSubfeature, Tithonium Chasma]
-
A.
Ius Chasma
Ius Chasma is a large, steep-walled canyon on Mars that forms part of the vast Valles Marineris rift system.
-
B.
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.
-
C.
Ares Vallis
Ares Vallis is an ancient outflow channel on Mars, notable as a geologically diverse floodplain that was explored in situ by NASA’s Mars Pathfinder mission.
-
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.
Noctis Labyrinthus
Noctis Labyrinthus is a geologically complex region of deep, intersecting valleys and collapsed terrain on Mars, located at the western end of the Valles Marineris canyon system.
- 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: Tithonium Chasma Triple: [Valles Marineris, hasSubfeature, Tithonium Chasma]
Generated description
Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tithonium Chasma Target entity description: Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
-
A.
Ius Chasma
Ius Chasma is a large, steep-walled canyon on Mars that forms part of the vast Valles Marineris rift system.
-
B.
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.
-
C.
Ares Vallis
Ares Vallis is an ancient outflow channel on Mars, notable as a geologically diverse floodplain that was explored in situ by NASA’s Mars Pathfinder mission.
-
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.
Noctis Labyrinthus
Noctis Labyrinthus is a geologically complex region of deep, intersecting valleys and collapsed terrain on Mars, located at the western end of the Valles Marineris canyon system.
- 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_69bd6de3718881908521968fa6e6b444 |
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, 1:27 p.m.