Triple

T5412516
Position Surface form Disambiguated ID Type / Status
Subject Copernicus (lunar crater) E121044 entity
Predicate nearbyCrater P34244 FINISHED
Object Eratosthenes (lunar crater)
Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
E518070 NE FINISHED

How this triple was built (5 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: Eratosthenes (lunar crater) | Statement: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eratosthenes (lunar crater)
Context triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
  • A. Levi-Civita crater
    Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
  • B. Ernst Mach crater
    Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
  • C. Kepler (lunar crater)
    Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
  • D. Baade lunar crater
    Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
  • E. Chaplygin crater
    Chaplygin crater is an impact crater on the Moon’s far side, notable for its heavily eroded rim and location near the large walled plain Gagarin.
  • 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: Eratosthenes (lunar crater)
Triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
Generated description
Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eratosthenes (lunar crater)
Target entity description: Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
  • A. Levi-Civita crater
    Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
  • B. Ernst Mach crater
    Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
  • C. Kepler (lunar crater)
    Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
  • D. Baade lunar crater
    Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
  • E. Chaplygin crater
    Chaplygin crater is an impact crater on the Moon’s far side, notable for its heavily eroded rim and location near the large walled plain Gagarin.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: nearbyCrater
Context triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
  • A. neighboringCrater chosen
    Indicates that one crater is located adjacent to or very close to another crater, such that they are considered neighbors on a surface.
  • B. craterDensity
    Indicates the measured concentration of impact craters on a surface area, reflecting how densely craters are distributed.
  • C. craterDiameter
    Indicates the measured width of a crater from one rim edge to the opposite rim edge.
  • D. hasCrater
    Indicates that one entity possesses or features a crater on its surface.
  • E. craterName
    Indicates that one entity is the designated name assigned to a specific crater.
  • F. None of above.

Provenance (6 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_69bd463a41cc8190b32ff5af2b96ca93 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd87bb3c0c81908711784bc865ff03 completed March 20, 2026, 5:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf33a22e188190861459f74c3f615a completed March 22, 2026, 12:11 a.m.
NEDg Description generation batch_69bf342cca148190bd8d09ef8b606602 completed March 22, 2026, 12:13 a.m.
NED2 Entity disambiguation (via description) batch_69bf34a5e3c08190bb27e20c6bbc2165 completed March 22, 2026, 12:15 a.m.
PD Predicate disambiguation batch_69bd8467e6b48190b9eaa9de67072e06 completed March 20, 2026, 5:31 p.m.
Created at: March 20, 2026, 2:05 p.m.