Triple

T3894324
Position Surface form Disambiguated ID Type / Status
Subject Mars Exploration Rover mission E88133 entity
Predicate landingSite P2462 FINISHED
Object 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.
E396676 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: Meridiani Planum | Statement: [Mars Exploration Rover mission, landingSite, Meridiani Planum]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Meridiani Planum
Context triple: [Mars Exploration Rover mission, landingSite, Meridiani Planum]
  • A. 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.
  • B. 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.
  • C. Aeolis Palus
    Aeolis Palus is a plain within Gale Crater on Mars, notable as the region explored by NASA’s Curiosity rover.
  • D. Valles region
    The Valles region is a geographic and administrative area within the Mexican state of Jalisco, known for its agricultural production and tequila-making towns.
  • E. Descartes Highlands
    Descartes Highlands is a rugged, heavily cratered lunar highland region notable as the exploration site of NASA’s Apollo 16 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: Meridiani Planum
Triple: [Mars Exploration Rover mission, landingSite, Meridiani Planum]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Meridiani Planum
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Aeolis Palus
    Aeolis Palus is a plain within Gale Crater on Mars, notable as the region explored by NASA’s Curiosity rover.
  • D. Valles region
    The Valles region is a geographic and administrative area within the Mexican state of Jalisco, known for its agricultural production and tequila-making towns.
  • E. Descartes Highlands
    Descartes Highlands is a rugged, heavily cratered lunar highland region notable as the exploration site of NASA’s Apollo 16 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_69aed9466d548190939f5217a23ed4ac completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeecd06cbc8190938d9f91388ad290 completed March 9, 2026, 3:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51c99bab88190bd63f5b9b3950001 completed March 14, 2026, 8:30 a.m.
NEDg Description generation batch_69b51d61e89081909e1df16631274746 completed March 14, 2026, 8:33 a.m.
NED2 Entity disambiguation (via description) batch_69b51dcb5cb88190ad859cde9f10918a completed March 14, 2026, 8:35 a.m.
Created at: March 9, 2026, 3:21 p.m.