Triple

T19831240
Position Surface form Disambiguated ID Type / Status
Subject John Louis Emil Dreyer E476464 entity
Predicate notableWork P4 FINISHED
Object Index Catalogue of Nebulae and Clusters of Stars
The Index Catalogue of Nebulae and Clusters of Stars is a major astronomical catalog that expanded and supplemented the New General Catalogue (NGC) with thousands of additional deep-sky objects, becoming a foundational reference for observational astronomy.
E1404296 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: Index Catalogue of Nebulae and Clusters of Stars | Statement: [John Louis Emil Dreyer, notableWork, Index Catalogue of Nebulae and Clusters of Stars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Index Catalogue of Nebulae and Clusters of Stars
Context triple: [John Louis Emil Dreyer, notableWork, Index Catalogue of Nebulae and Clusters of Stars]
  • A. General Catalogue of Nebulae and Clusters of Stars
    The General Catalogue of Nebulae and Clusters of Stars is a 19th-century astronomical catalog compiled by John Herschel that systematically lists and describes thousands of nebulae and star clusters, forming a foundation for later catalogs such as the New General Catalogue (NGC).
  • B. 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.
  • C. A Catalogue of 838 Principal Fixed Stars
    A Catalogue of 838 Principal Fixed Stars is an influential 19th-century astronomical star catalog compiled by Francis Baily that systematically lists and refines the positions of key stars for observational and navigational use.
  • D. New General Catalogue
    The New General Catalogue is a comprehensive 19th-century astronomical catalog of deep-sky objects, including galaxies, nebulae, and star clusters, that remains widely used by astronomers today.
  • E. Uppsala General Catalogue
    The Uppsala General Catalogue is an astronomical catalog that compiles detailed data on thousands of galaxies, including their positions, magnitudes, and morphological types.
  • 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: Index Catalogue of Nebulae and Clusters of Stars
Triple: [John Louis Emil Dreyer, notableWork, Index Catalogue of Nebulae and Clusters of Stars]
Generated description
The Index Catalogue of Nebulae and Clusters of Stars is a major astronomical catalog that expanded and supplemented the New General Catalogue (NGC) with thousands of additional deep-sky objects, becoming a foundational reference for observational astronomy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Index Catalogue of Nebulae and Clusters of Stars
Target entity description: The Index Catalogue of Nebulae and Clusters of Stars is a major astronomical catalog that expanded and supplemented the New General Catalogue (NGC) with thousands of additional deep-sky objects, becoming a foundational reference for observational astronomy.
  • A. General Catalogue of Nebulae and Clusters of Stars
    The General Catalogue of Nebulae and Clusters of Stars is a 19th-century astronomical catalog compiled by John Herschel that systematically lists and describes thousands of nebulae and star clusters, forming a foundation for later catalogs such as the New General Catalogue (NGC).
  • B. 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.
  • C. A Catalogue of 838 Principal Fixed Stars
    A Catalogue of 838 Principal Fixed Stars is an influential 19th-century astronomical star catalog compiled by Francis Baily that systematically lists and refines the positions of key stars for observational and navigational use.
  • D. New General Catalogue
    The New General Catalogue is a comprehensive 19th-century astronomical catalog of deep-sky objects, including galaxies, nebulae, and star clusters, that remains widely used by astronomers today.
  • E. Uppsala General Catalogue
    The Uppsala General Catalogue is an astronomical catalog that compiles detailed data on thousands of galaxies, including their positions, magnitudes, and morphological types.
  • 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_69d8e51c7c188190b926f3a2a7b5f881 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e656ce68b48190aa25b29d0b6ea021 completed April 20, 2026, 4:39 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07fdb975548190b83292a14fded6a1 completed May 16, 2026, 5:16 a.m.
NEDg Description generation batch_6a07fe81005081909b70102524cb8fda completed May 16, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_6a07feeec210819084d6a6cf472fc45f completed May 16, 2026, 5:21 a.m.
Created at: April 10, 2026, 1:50 p.m.