Triple

T5051088
Position Surface form Disambiguated ID Type / Status
Subject Phobos E113785 entity
Predicate wasDiscoveredBy P412 FINISHED
Object Asaph Hall
Asaph Hall was a 19th-century American astronomer best known for discovering Mars's two moons, Phobos and Deimos, in 1877.
 E496683 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: Asaph Hall | Statement: [Phobos, wasDiscoveredBy, Asaph Hall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Asaph Hall
Context triple: [Phobos, wasDiscoveredBy, Asaph Hall]
  • A. James Edward Keeler
    James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
  • B. George Willis Ritchey
    George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
  • C. Percival Lowell
    Percival Lowell was an American astronomer best known for his observations of Mars, his speculation about Martian canals, and for founding the Lowell Observatory, which later led to the discovery of Pluto.
  • D. Wilhelm Herget
    Wilhelm Herget was a German Luftwaffe night fighter ace of World War II, credited with numerous aerial victories and later service in elite jet fighter units.
  • E. Clyde Tombaugh
    Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
  • 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: Asaph Hall
Triple: [Phobos, wasDiscoveredBy, Asaph Hall]
Generated description
Asaph Hall was a 19th-century American astronomer best known for discovering Mars's two moons, Phobos and Deimos, in 1877.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Asaph Hall
Target entity description: Asaph Hall was a 19th-century American astronomer best known for discovering Mars's two moons, Phobos and Deimos, in 1877.
  • A. James Edward Keeler
    James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
  • B. George Willis Ritchey
    George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
  • C. Percival Lowell
    Percival Lowell was an American astronomer best known for his observations of Mars, his speculation about Martian canals, and for founding the Lowell Observatory, which later led to the discovery of Pluto.
  • D. Wilhelm Herget
    Wilhelm Herget was a German Luftwaffe night fighter ace of World War II, credited with numerous aerial victories and later service in elite jet fighter units.
  • E. Clyde Tombaugh
    Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
  • 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_69bd443aa1f88190abb992d138f2cf42 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7426fc8081908a8227f73168c235 completed March 20, 2026, 4:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69bec35a3314819091a1520d3a366869 completed March 21, 2026, 4:12 p.m.
NEDg Description generation batch_69bec571d5948190b659a7b5038f8bdd completed March 21, 2026, 4:21 p.m.
NED2 Entity disambiguation (via description) batch_69bec973e71c8190a9c043389d627156 completed March 21, 2026, 4:38 p.m.
Created at: March 20, 2026, 1:37 p.m.