Triple

T5060528
Position Surface form Disambiguated ID Type / Status
Subject North America Nebula E114010 entity
Predicate alsoKnownAs P39 FINISHED
Object Caldwell 20
Caldwell 20 is a large, bright emission nebula in the constellation Cygnus, notable for its distinctive shape resembling the outline of the North American continent.
 E491337 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: Caldwell 20 | Statement: [North America Nebula, alsoKnownAs, Caldwell 20]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Caldwell 20
Context triple: [North America Nebula, alsoKnownAs, Caldwell 20]
  • A. Caldwell 74
    Caldwell 74 is a bright, well-known planetary nebula in the constellation Vela, popularly called the Southern Ring Nebula.
  • B. Caldwell
    Caldwell is a surname of Scottish and English origin borne by numerous notable individuals across politics, sports, academia, and the arts.
  • C. Caldwell
    Caldwell is a city in southwestern Idaho known as part of the Boise metropolitan area and for its agricultural roots and growing wine industry.
  • D. Barnard
    Barnard is a surname and given name of English and French origin, borne by various notable individuals and institutions.
  • E. Sandage
    Sandage is a surname most notably associated with Allan R. Sandage, a prominent American astronomer known for his work on the expansion rate and age of 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: Caldwell 20
Triple: [North America Nebula, alsoKnownAs, Caldwell 20]
Generated description
Caldwell 20 is a large, bright emission nebula in the constellation Cygnus, notable for its distinctive shape resembling the outline of the North American continent.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Caldwell 20
Target entity description: Caldwell 20 is a large, bright emission nebula in the constellation Cygnus, notable for its distinctive shape resembling the outline of the North American continent.
  • A. Caldwell 74
    Caldwell 74 is a bright, well-known planetary nebula in the constellation Vela, popularly called the Southern Ring Nebula.
  • B. Caldwell
    Caldwell is a surname of Scottish and English origin borne by numerous notable individuals across politics, sports, academia, and the arts.
  • C. Caldwell
    Caldwell is a city in southwestern Idaho known as part of the Boise metropolitan area and for its agricultural roots and growing wine industry.
  • D. Barnard
    Barnard is a surname and given name of English and French origin, borne by various notable individuals and institutions.
  • E. Sandage
    Sandage is a surname most notably associated with Allan R. Sandage, a prominent American astronomer known for his work on the expansion rate and age of 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_69bd443c0c8c81908663b77afb28e165 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7472a1dc8190942f568a81fdd961 completed March 20, 2026, 4:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69bea49283f48190b5db5ad78f332f95 completed March 21, 2026, 2 p.m.
NEDg Description generation batch_69bea67c2c3c8190af0caba391bfe69c completed March 21, 2026, 2:09 p.m.
NED2 Entity disambiguation (via description) batch_69beaa2c9bf88190b9f96474a1b4f13d completed March 21, 2026, 2:24 p.m.
Created at: March 20, 2026, 1:38 p.m.