Triple

T5721031
Position Surface form Disambiguated ID Type / Status
Subject Harvard College Observatory E126144 entity
Predicate notableProject P4 FINISHED
Object 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.
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 Observatory photographic sky survey | Statement: [Harvard College Observatory, notableProject, Harvard Observatory photographic sky survey]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harvard Observatory photographic sky survey
Context triple: [Harvard College Observatory, notableProject, Harvard Observatory photographic sky survey]
  • A. 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.
  • B. Two Micron All Sky Survey
    The Two Micron All Sky Survey (2MASS) is an astronomical survey that mapped the entire sky in near-infrared wavelengths, producing a comprehensive catalog of stars, galaxies, and other celestial objects.
  • C. Armagh Catalogue of Stars
    The Armagh Catalogue of Stars is a 19th-century astronomical star catalog compiled at Armagh Observatory, listing precise positions and related data for thousands of stars.
  • D. Carnegie-Spitzer-IMACS Survey
    The Carnegie-Spitzer-IMACS Survey is an astronomical research project that combines infrared observations from the Spitzer Space Telescope with optical spectroscopy from the IMACS instrument to study the formation and evolution of galaxies across cosmic time.
  • E. Advanced Camera for Surveys
    The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
  • 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 Observatory photographic sky survey
Triple: [Harvard College Observatory, notableProject, Harvard Observatory photographic sky survey]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harvard Observatory photographic sky survey
Target entity description: 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.
  • A. 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.
  • B. Two Micron All Sky Survey
    The Two Micron All Sky Survey (2MASS) is an astronomical survey that mapped the entire sky in near-infrared wavelengths, producing a comprehensive catalog of stars, galaxies, and other celestial objects.
  • C. Armagh Catalogue of Stars
    The Armagh Catalogue of Stars is a 19th-century astronomical star catalog compiled at Armagh Observatory, listing precise positions and related data for thousands of stars.
  • D. Carnegie-Spitzer-IMACS Survey
    The Carnegie-Spitzer-IMACS Survey is an astronomical research project that combines infrared observations from the Spitzer Space Telescope with optical spectroscopy from the IMACS instrument to study the formation and evolution of galaxies across cosmic time.
  • E. Advanced Camera for Surveys
    The Advanced Camera for Surveys is a high-resolution imaging instrument on the Hubble Space Telescope designed to capture detailed observations of distant galaxies, galaxy clusters, and other faint astronomical objects.
  • 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_69c0082e3d548190950169847b43043b completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c024e328e08190a67e845b296e34e9 completed March 22, 2026, 5:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a80aefc8190b6ea35ab405ea502 completed March 22, 2026, 9:09 p.m.
NEDg Description generation batch_69c05c7663388190ab491144149532a4 completed March 22, 2026, 9:17 p.m.
NED2 Entity disambiguation (via description) batch_69c05d2ef9488190ac0111cb6a94b1d0 completed March 22, 2026, 9:20 p.m.
Created at: March 22, 2026, 3:46 p.m.