Triple

T747445
Position Surface form Disambiguated ID Type / Status
Subject Perseverance rover E15374 entity
Predicate landingSite P2462 FINISHED
Object Jezero Crater
Jezero Crater is an ancient impact basin on Mars that once hosted a lake and river delta, making it a prime site for studying past habitability and searching for signs of ancient life.
 E89927 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: Jezero Crater | Statement: [Perseverance rover, landingSite, Jezero Crater]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jezero Crater
Context triple: [Perseverance rover, landingSite, Jezero Crater]
  • A. Schwarzschild crater
    Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.
  • B. 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.
  • C. Crater
    Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
  • D. Vredefort Dome
    Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
  • E. Punchbowl Crater
    Punchbowl Crater is an extinct volcanic tuff cone on the island of Oahu, best known as the site of the National Memorial Cemetery of the Pacific.
  • 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: Jezero Crater
Triple: [Perseverance rover, landingSite, Jezero Crater]
Generated description
Jezero Crater is an ancient impact basin on Mars that once hosted a lake and river delta, making it a prime site for studying past habitability and searching for signs of ancient life.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jezero Crater
Target entity description: Jezero Crater is an ancient impact basin on Mars that once hosted a lake and river delta, making it a prime site for studying past habitability and searching for signs of ancient life.
  • A. Schwarzschild crater
    Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.
  • B. 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.
  • C. Crater
    Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
  • D. Vredefort Dome
    Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
  • E. Punchbowl Crater
    Punchbowl Crater is an extinct volcanic tuff cone on the island of Oahu, best known as the site of the National Memorial Cemetery of the Pacific.
  • 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_69a49358aa308190adbc9b5a0a2adcf9 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a62dd1bc819094a3814654448ae3 completed March 1, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69a65e4086e481908d0ea29729d92d67 completed March 3, 2026, 4:06 a.m.
NEDg Description generation batch_69a65eeaa34481909b0deac860fbadfc completed March 3, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69a65f7b09b08190bf38f02a912b2276 completed March 3, 2026, 4:11 a.m.
Created at: March 1, 2026, 7:37 p.m.