Triple

T6622702
Position Surface form Disambiguated ID Type / Status
Subject Henry Ives Cobb E149715 entity
Predicate notableWork P4 FINISHED
Object Dearborn Observatory (Northwestern University)
Dearborn Observatory at Northwestern University is a historic astronomical observatory known for its large refracting telescope and significant contributions to 19th- and early 20th-century astronomical research.
 E607445 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: Dearborn Observatory (Northwestern University) | Statement: [Henry Ives Cobb, notableWork, Dearborn Observatory (Northwestern University)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dearborn Observatory (Northwestern University)
Context triple: [Henry Ives Cobb, notableWork, Dearborn Observatory (Northwestern University)]
  • A. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • B. Kirkwood Observatory
    Kirkwood Observatory is an astronomical observatory at Indiana University in Bloomington, Indiana, known for its historic telescope and role in teaching and public outreach in astronomy.
  • C. Barnard Observatory
    Barnard Observatory is a historic astronomical observatory at the University of Mississippi, named for astronomer Edward Emerson Barnard and known for its 19th-century role in American observational astronomy.
  • D. Lick Observatory
    Lick Observatory is a historic astronomical observatory located on Mount Hamilton in California, known for its pioneering research and large refracting telescope.
  • E. Fred Lawrence Whipple Observatory
    The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
  • 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: Dearborn Observatory (Northwestern University)
Triple: [Henry Ives Cobb, notableWork, Dearborn Observatory (Northwestern University)]
Generated description
Dearborn Observatory at Northwestern University is a historic astronomical observatory known for its large refracting telescope and significant contributions to 19th- and early 20th-century astronomical research.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Dearborn Observatory (Northwestern University)
Target entity description: Dearborn Observatory at Northwestern University is a historic astronomical observatory known for its large refracting telescope and significant contributions to 19th- and early 20th-century astronomical research.
  • A. Yerkes Observatory
    Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
  • B. Kirkwood Observatory
    Kirkwood Observatory is an astronomical observatory at Indiana University in Bloomington, Indiana, known for its historic telescope and role in teaching and public outreach in astronomy.
  • C. Barnard Observatory
    Barnard Observatory is a historic astronomical observatory at the University of Mississippi, named for astronomer Edward Emerson Barnard and known for its 19th-century role in American observational astronomy.
  • D. Lick Observatory
    Lick Observatory is a historic astronomical observatory located on Mount Hamilton in California, known for its pioneering research and large refracting telescope.
  • E. Fred Lawrence Whipple Observatory
    The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
  • 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_69c687ed8a9c81908bb671717cb192ef completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6af7decb08190a7b1ddb95e534a6a completed March 27, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6e448b00081908b336a2bd7fb3820 completed March 27, 2026, 8:10 p.m.
NEDg Description generation batch_69c6e5b236888190b108de51c730179a completed March 27, 2026, 8:16 p.m.
NED2 Entity disambiguation (via description) batch_69c6e7ce9aa88190abd000a13c00a070 completed March 27, 2026, 8:25 p.m.
Created at: March 27, 2026, 1:58 p.m.