Triple

T1994194
Position Surface form Disambiguated ID Type / Status
Subject Lowell family E43320 entity
Predicate hasNotableMember P304 FINISHED
Object 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.
E222753 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: Percival Lowell | Statement: [Lowell family, hasNotableMember, Percival Lowell]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Percival Lowell
Context triple: [Lowell family, hasNotableMember, Percival Lowell]
  • A. 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.
  • B. 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.
  • C. Simon Newcomb
    Simon Newcomb was a 19th-century Canadian-American astronomer and mathematician renowned for his work in celestial mechanics, astronomical constants, and early studies of what became known as Benford's law.
  • D. Clyde Tombaugh
    Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
  • E. Henry Draper
    Henry Draper was a pioneering 19th-century American physician and astronomer renowned for his early work in astrophotography and stellar spectroscopy, which laid the groundwork for modern stellar classification.
  • 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: Percival Lowell
Triple: [Lowell family, hasNotableMember, Percival Lowell]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Percival Lowell
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Simon Newcomb
    Simon Newcomb was a 19th-century Canadian-American astronomer and mathematician renowned for his work in celestial mechanics, astronomical constants, and early studies of what became known as Benford's law.
  • D. Clyde Tombaugh
    Clyde Tombaugh was an American astronomer best known for discovering the dwarf planet Pluto in 1930.
  • E. Henry Draper
    Henry Draper was a pioneering 19th-century American physician and astronomer renowned for his early work in astrophotography and stellar spectroscopy, which laid the groundwork for modern stellar classification.
  • 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_69a88714cf2c819081644be450b8356e completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb8640f30819080322bddb85881f1 completed March 7, 2026, 5:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae033a39d48190b6389e22de0d4418 completed March 8, 2026, 11:16 p.m.
NEDg Description generation batch_69ae04128e048190a6a36e528586445a completed March 8, 2026, 11:19 p.m.
NED2 Entity disambiguation (via description) batch_69ae049b7b1c81908bae4acd269ce36e completed March 8, 2026, 11:22 p.m.
Created at: March 4, 2026, 7:37 p.m.