Triple

T1691832
Position Surface form Disambiguated ID Type / Status
Subject James Edward Keeler E36565 entity
Predicate hasNamesake P6111 FINISHED
Object Keeler (lunar crater)
Keeler (lunar crater) is a small impact crater on the Moon named in honor of American astronomer James Edward Keeler, known for his work on planetary rings and spectroscopy.
 E191003 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: Keeler (lunar crater) | Statement: [James Edward Keeler, hasNamesake, Keeler (lunar crater)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keeler (lunar crater)
Context triple: [James Edward Keeler, hasNamesake, Keeler (lunar crater)]
  • A. 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.
  • B. 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.
  • C. Kepler (Martian crater)
    Kepler (Martian crater) is an impact crater on Mars named in honor of the German astronomer Johannes Kepler.
  • D. 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.
  • E. 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.
  • 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: Keeler (lunar crater)
Triple: [James Edward Keeler, hasNamesake, Keeler (lunar crater)]
Generated description
Keeler (lunar crater) is a small impact crater on the Moon named in honor of American astronomer James Edward Keeler, known for his work on planetary rings and spectroscopy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Keeler (lunar crater)
Target entity description: Keeler (lunar crater) is a small impact crater on the Moon named in honor of American astronomer James Edward Keeler, known for his work on planetary rings and spectroscopy.
  • A. 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.
  • B. 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.
  • C. Kepler (Martian crater)
    Kepler (Martian crater) is an impact crater on Mars named in honor of the German astronomer Johannes Kepler.
  • D. 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.
  • E. 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.
  • 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_69a886151508819084fa7f1ce6e05577 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa62b097488190907e3bce234e3c77 completed March 6, 2026, 5:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad79947c908190b807205bd44c3254 completed March 8, 2026, 1:28 p.m.
NEDg Description generation batch_69ad7a1223fc8190b7d62217c17f7517 completed March 8, 2026, 1:30 p.m.
NED2 Entity disambiguation (via description) batch_69ad7b0787c88190a59a815fa808ac6b completed March 8, 2026, 1:35 p.m.
Created at: March 4, 2026, 7:29 p.m.