Triple

T4994063
Position Surface form Disambiguated ID Type / Status
Subject Opportunity E112200 entity
Predicate notableSiteExplored P48499 FINISHED
Object Endeavour Crater
Endeavour Crater is a large impact crater on Mars extensively studied by NASA’s Opportunity rover for its ancient geological and potentially habitable environments.
E489890 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: Endeavour Crater | Statement: [Opportunity, notableSiteExplored, Endeavour Crater]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Endeavour Crater
Context triple: [Opportunity, notableSiteExplored, Endeavour Crater]
  • A. Eddington crater
    Eddington crater is a large, lava-flooded lunar impact feature on the Moon’s near side, notable for its heavily eroded rim and partially submerged floor.
  • B. Occator Crater
    Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
  • C. Endurance Crater
    Endurance Crater is a Martian impact crater on Meridiani Planum that was extensively studied by NASA’s Opportunity rover for insights into the planet’s geologic and aqueous history.
  • D. Vernadsky crater
    Vernadsky crater is a lunar impact crater named in honor of Russian-Ukrainian mineralogist and geochemist Vladimir Vernadsky.
  • E. Fizeau crater
    Fizeau crater is a large impact crater on the far side of the Moon, named in honor of French physicist Hippolyte Fizeau.
  • 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: Endeavour Crater
Triple: [Opportunity, notableSiteExplored, Endeavour Crater]
Generated description
Endeavour Crater is a large impact crater on Mars extensively studied by NASA’s Opportunity rover for its ancient geological and potentially habitable environments.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Endeavour Crater
Target entity description: Endeavour Crater is a large impact crater on Mars extensively studied by NASA’s Opportunity rover for its ancient geological and potentially habitable environments.
  • A. Eddington crater
    Eddington crater is a large, lava-flooded lunar impact feature on the Moon’s near side, notable for its heavily eroded rim and partially submerged floor.
  • B. Occator Crater
    Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
  • C. Endurance Crater
    Endurance Crater is a Martian impact crater on Meridiani Planum that was extensively studied by NASA’s Opportunity rover for insights into the planet’s geologic and aqueous history.
  • D. Vernadsky crater
    Vernadsky crater is a lunar impact crater named in honor of Russian-Ukrainian mineralogist and geochemist Vladimir Vernadsky.
  • E. Fizeau crater
    Fizeau crater is a large impact crater on the far side of the Moon, named in honor of French physicist Hippolyte Fizeau.
  • 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_69bd4432b32c81909f3b3c6bd10f0653 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd77c9fc7c8190b165a5cfd5889ba8 completed March 20, 2026, 4:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69bea470ca3c81909e24b18e1e609dbd completed March 21, 2026, 2 p.m.
NEDg Description generation batch_69bea525d9088190b0b655687dd27630 completed March 21, 2026, 2:03 p.m.
NED2 Entity disambiguation (via description) batch_69bea594850881909cd683670b63a079 completed March 21, 2026, 2:05 p.m.
Created at: March 20, 2026, 1:34 p.m.