Triple

T4943113
Position Surface form Disambiguated ID Type / Status
Subject Lowell Observatory E110983 entity
Predicate hasFacility P105 FINISHED
Object Clark Refractor
The Clark Refractor is a historic 24-inch refracting telescope at Lowell Observatory, renowned for its role in early planetary observations and public astronomy outreach.
E481627 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: Clark Refractor | Statement: [Lowell Observatory, hasFacility, Clark Refractor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Clark Refractor
Context triple: [Lowell Observatory, hasFacility, Clark Refractor]
  • A. Hale Telescope
    The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
  • B. Goodsell Observatory
    Goodsell Observatory is a historic astronomical observatory on the campus of Carleton College in Northfield, Minnesota, known for its distinctive Romanesque architecture and long-standing role in teaching and research in astronomy.
  • C. Swope Telescope
    The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
  • D. Carter Observatory
    Carter Observatory is a public astronomy center and planetarium in Wellington, New Zealand, offering stargazing experiences, educational exhibits, and space science programs.
  • E. Perkins Observatory
    Perkins Observatory is an astronomical observatory in Ohio known for its public stargazing programs and educational outreach in astronomy.
  • 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: Clark Refractor
Triple: [Lowell Observatory, hasFacility, Clark Refractor]
Generated description
The Clark Refractor is a historic 24-inch refracting telescope at Lowell Observatory, renowned for its role in early planetary observations and public astronomy outreach.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Clark Refractor
Target entity description: The Clark Refractor is a historic 24-inch refracting telescope at Lowell Observatory, renowned for its role in early planetary observations and public astronomy outreach.
  • A. Hale Telescope
    The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
  • B. Goodsell Observatory
    Goodsell Observatory is a historic astronomical observatory on the campus of Carleton College in Northfield, Minnesota, known for its distinctive Romanesque architecture and long-standing role in teaching and research in astronomy.
  • C. Swope Telescope
    The Swope Telescope is a 1-meter-class optical telescope at Chile’s Las Campanas Observatory, known for its role in supernova and transient object discoveries.
  • D. Carter Observatory
    Carter Observatory is a public astronomy center and planetarium in Wellington, New Zealand, offering stargazing experiences, educational exhibits, and space science programs.
  • E. Perkins Observatory
    Perkins Observatory is an astronomical observatory in Ohio known for its public stargazing programs and educational outreach in astronomy.
  • 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_69bd441721cc819085c7e33fe0876818 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd70a7650c8190b046b65072fd8eae completed March 20, 2026, 4:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77c421288190bcc2d9bfdfff7198 completed March 21, 2026, 10:49 a.m.
NEDg Description generation batch_69be79127e80819088a97e674991fc8b completed March 21, 2026, 10:55 a.m.
NED2 Entity disambiguation (via description) batch_69be7990fd048190b3d1acaa6e3bce90 completed March 21, 2026, 10:57 a.m.
Created at: March 20, 2026, 1:31 p.m.