Triple

T15637615
Position Surface form Disambiguated ID Type / Status
Subject Schmidt telescope E375985 entity
Predicate hasVariant P455 FINISHED
Object Baker–Nunn camera
The Baker–Nunn camera is a specialized wide-field tracking telescope system developed in the mid-20th century for highly accurate photographic observation of artificial Earth satellites.
E1168411 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: Baker–Nunn camera | Statement: [Schmidt telescope, hasVariant, Baker–Nunn camera]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Baker–Nunn camera
Context triple: [Schmidt telescope, hasVariant, Baker–Nunn camera]
  • A. Biograph camera
    The Biograph camera was an early motion picture camera developed in the late 19th century by the American Mutoscope and Biograph Company, notable for using large-format film to produce high-quality images in the pioneering days of cinema.
  • B. Graflex camera
    The Graflex camera is a line of early 20th-century large-format press and field cameras renowned for their use by photojournalists and documentary photographers, including in iconic images like Dorothea Lange’s "Migrant Mother."
  • C. Leica rangefinder camera
    The Leica rangefinder camera is a compact, high-precision 35mm camera renowned for its role in pioneering candid, street, and documentary photography.
  • D. Cooke
    Cooke is a surname of English origin, often considered a variant spelling of "Cook."
  • E. Korsch three-mirror anastigmat
    The Korsch three-mirror anastigmat is a specialized reflective telescope design using three mirrors to provide a wide, well-corrected field of view with minimal optical aberrations, making it ideal for high-precision space observatories.
  • 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: Baker–Nunn camera
Triple: [Schmidt telescope, hasVariant, Baker–Nunn camera]
Generated description
The Baker–Nunn camera is a specialized wide-field tracking telescope system developed in the mid-20th century for highly accurate photographic observation of artificial Earth satellites.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Baker–Nunn camera
Target entity description: The Baker–Nunn camera is a specialized wide-field tracking telescope system developed in the mid-20th century for highly accurate photographic observation of artificial Earth satellites.
  • A. Biograph camera
    The Biograph camera was an early motion picture camera developed in the late 19th century by the American Mutoscope and Biograph Company, notable for using large-format film to produce high-quality images in the pioneering days of cinema.
  • B. Graflex camera
    The Graflex camera is a line of early 20th-century large-format press and field cameras renowned for their use by photojournalists and documentary photographers, including in iconic images like Dorothea Lange’s "Migrant Mother."
  • C. Leica rangefinder camera
    The Leica rangefinder camera is a compact, high-precision 35mm camera renowned for its role in pioneering candid, street, and documentary photography.
  • D. Cooke
    Cooke is a surname of English origin, often considered a variant spelling of "Cook."
  • E. Korsch three-mirror anastigmat
    The Korsch three-mirror anastigmat is a specialized reflective telescope design using three mirrors to provide a wide, well-corrected field of view with minimal optical aberrations, making it ideal for high-precision space observatories.
  • 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_69d85cd035a48190b73d5579ab73969a completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04eba51f08190ac5d9de7fc89405a completed April 16, 2026, 2:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff5f4923ac8190a03fe1f2c878c27e completed May 9, 2026, 4:22 p.m.
NEDg Description generation batch_69ff608017d481909dab53450fbdb1e4 completed May 9, 2026, 4:27 p.m.
NED2 Entity disambiguation (via description) batch_69ff61929780819096537342305ea505 completed May 9, 2026, 4:32 p.m.
Created at: April 10, 2026, 4:14 a.m.