Triple

T21920766
Position Surface form Disambiguated ID Type / Status
Subject Harvard Observatory photographic sky survey E541303 entity
Predicate associatedWith P37 FINISHED
Object Harvard College Observatory photographic plate archive
The Harvard College Observatory photographic plate archive is a historic collection of hundreds of thousands of glass-plate astronomical photographs that has preserved over a century of the night sky for scientific study and digitization.
E541303 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: Harvard College Observatory photographic plate archive | Statement: [Harvard Observatory photographic sky survey, associatedWith, Harvard College Observatory photographic plate archive]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harvard College Observatory photographic plate archive
Context triple: [Harvard Observatory photographic sky survey, associatedWith, Harvard College Observatory photographic plate archive]
  • A. Harvard College Observatory Annals
    Harvard College Observatory Annals is a historic series of astronomical publications documenting the observations, research, and discoveries made at the Harvard College Observatory.
  • B. Harvard College Observatory
    Harvard College Observatory is a historic astronomical research institution affiliated with Harvard University, renowned for its pioneering work in observational astronomy and astrophysics.
  • C. Smithsonian Astrophysical Observatory Telescope Data Center
    The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
  • D. Harvard Observatory photographic sky survey
    The Harvard Observatory photographic sky survey was an early, pioneering program that systematically photographed the night sky, creating one of the first large-scale, long-term archives of astronomical images used for studying variable stars and other celestial phenomena.
  • E. Palomar Observatory Sky Survey
    The Palomar Observatory Sky Survey is a landmark mid-20th-century photographic mapping of the night sky that produced some of the most widely used astronomical reference images for research and discovery.
  • 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: Harvard College Observatory photographic plate archive
Triple: [Harvard Observatory photographic sky survey, associatedWith, Harvard College Observatory photographic plate archive]
Generated description
The Harvard College Observatory photographic plate archive is a historic collection of hundreds of thousands of glass-plate astronomical photographs that has preserved over a century of the night sky for scientific study and digitization.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harvard College Observatory photographic plate archive
Target entity description: The Harvard College Observatory photographic plate archive is a historic collection of hundreds of thousands of glass-plate astronomical photographs that has preserved over a century of the night sky for scientific study and digitization.
  • A. Harvard College Observatory Annals
    Harvard College Observatory Annals is a historic series of astronomical publications documenting the observations, research, and discoveries made at the Harvard College Observatory.
  • B. Harvard College Observatory
    Harvard College Observatory is a historic astronomical research institution affiliated with Harvard University, renowned for its pioneering work in observational astronomy and astrophysics.
  • C. Smithsonian Astrophysical Observatory Telescope Data Center
    The Smithsonian Astrophysical Observatory Telescope Data Center is a specialized facility that archives, processes, and distributes astronomical data from ground- and space-based telescopes for the astrophysics research community.
  • D. Harvard Observatory photographic sky survey chosen
    The Harvard Observatory photographic sky survey was an early, pioneering program that systematically photographed the night sky, creating one of the first large-scale, long-term archives of astronomical images used for studying variable stars and other celestial phenomena.
  • E. Palomar Observatory Sky Survey
    The Palomar Observatory Sky Survey is a landmark mid-20th-century photographic mapping of the night sky that produced some of the most widely used astronomical reference images for research and discovery.
  • F. None of above.

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_69e0c47c4b9c8190a5586a75f5f36453 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1233af5a481908072c7c928e065ad completed April 28, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a736412c4819084e638878a8de9e4 completed May 18, 2026, 2:03 a.m.
NEDg Description generation batch_6a0a748c80b88190aaca0c0540c6f802 completed May 18, 2026, 2:08 a.m.
NED2 Entity disambiguation (via description) batch_6a0a7539f3308190a1ff50ad7cf89545 completed May 18, 2026, 2:11 a.m.
Created at: April 16, 2026, 7:44 p.m.