Triple

T4885575
Position Surface form Disambiguated ID Type / Status
Subject Valles Marineris E109430 entity
Predicate hasSubfeature P25619 FINISHED
Object 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.
 E483925 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: Candor Chasma | Statement: [Valles Marineris, hasSubfeature, Candor Chasma]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Candor Chasma
Context triple: [Valles Marineris, hasSubfeature, Candor Chasma]
  • A. Tithonium Chasma
    Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
  • 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. Melas Chasma
    Melas Chasma is a large, deep canyon within Mars’s Valles Marineris system, notable for its extensive layered deposits and evidence of past water-related activity.
  • E. 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.
  • 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: Candor Chasma
Triple: [Valles Marineris, hasSubfeature, Candor Chasma]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Candor Chasma
Target entity description: 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.
  • A. Tithonium Chasma
    Tithonium Chasma is a large, steep-walled canyon forming the northwestern segment of Mars’s vast Valles Marineris system.
  • 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. Melas Chasma
    Melas Chasma is a large, deep canyon within Mars’s Valles Marineris system, notable for its extensive layered deposits and evidence of past water-related activity.
  • E. 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.
  • 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_69be89de55c48190a280ae0719b5a8b6 completed March 21, 2026, 12:06 p.m.
NEDg Description generation batch_69be8a5682888190a335742fab9a4649 completed March 21, 2026, 12:08 p.m.
NED2 Entity disambiguation (via description) batch_69be8aed0d58819092243e7bdf872069 completed March 21, 2026, 12:11 p.m.
Created at: March 20, 2026, 1:27 p.m.