Triple

T4617873
Position Surface form Disambiguated ID Type / Status
Subject Local Arm E100909 entity
Predicate contains P35 FINISHED
Object Cygnus OB2 association
Cygnus OB2 association is a massive, young stellar grouping rich in hot, luminous O- and B-type stars located in the constellation Cygnus.
 E477914 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: Cygnus OB2 association | Statement: [Local Arm, contains, Cygnus OB2 association]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cygnus OB2 association
Context triple: [Local Arm, contains, Cygnus OB2 association]
  • A. Vela OB2 association
    Vela OB2 association is a nearby, young stellar grouping in the constellation Vela, rich in massive, hot stars and active star formation.
  • B. Sagittarius OB association region
    The Sagittarius OB association region is a vast star-forming complex in the constellation Sagittarius, rich in young, massive O- and B-type stars and embedded open clusters.
  • C. Orion OB association
    The Orion OB association is a nearby stellar grouping dominated by young, massive O- and B-type stars in the Orion constellation, serving as a key region for studying recent star formation in our galactic neighborhood.
  • D. Monoceros OB2 association
    Monoceros OB2 association is a large stellar grouping in the constellation Monoceros, notable for its young, massive stars and active star-forming regions such as the Rosette Nebula.
  • E. Perseus OB2 association
    Perseus OB2 association is a nearby group of young, massive OB-type stars located in the Perseus constellation region of the Milky Way.
  • 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: Cygnus OB2 association
Triple: [Local Arm, contains, Cygnus OB2 association]
Generated description
Cygnus OB2 association is a massive, young stellar grouping rich in hot, luminous O- and B-type stars located in the constellation Cygnus.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cygnus OB2 association
Target entity description: Cygnus OB2 association is a massive, young stellar grouping rich in hot, luminous O- and B-type stars located in the constellation Cygnus.
  • A. Vela OB2 association
    Vela OB2 association is a nearby, young stellar grouping in the constellation Vela, rich in massive, hot stars and active star formation.
  • B. Sagittarius OB association region
    The Sagittarius OB association region is a vast star-forming complex in the constellation Sagittarius, rich in young, massive O- and B-type stars and embedded open clusters.
  • C. Orion OB association
    The Orion OB association is a nearby stellar grouping dominated by young, massive O- and B-type stars in the Orion constellation, serving as a key region for studying recent star formation in our galactic neighborhood.
  • D. Monoceros OB2 association
    Monoceros OB2 association is a large stellar grouping in the constellation Monoceros, notable for its young, massive stars and active star-forming regions such as the Rosette Nebula.
  • E. Perseus OB2 association
    Perseus OB2 association is a nearby group of young, massive OB-type stars located in the Perseus constellation region of the Milky Way.
  • 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_69bd43cf363c819087fd5ab441b4a3f4 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd59e247448190ad92f194cb1127c5 completed March 20, 2026, 2:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6f8f61b08190ad8913c633369c50 completed March 21, 2026, 10:14 a.m.
NEDg Description generation batch_69be704a6d4c8190889d906817dc88a8 completed March 21, 2026, 10:17 a.m.
NED2 Entity disambiguation (via description) batch_69be70bcc4e88190b7d8846991d26452 completed March 21, 2026, 10:19 a.m.
Created at: March 20, 2026, 1:12 p.m.