Triple

T4617674
Position Surface form Disambiguated ID Type / Status
Subject Double Cluster E100905 entity
Predicate hasComponent P35 FINISHED
Object NGC 869
NGC 869 is a young, massive open star cluster in the constellation Perseus, best known as one half of the prominent Double Cluster visible to the naked eye.
E460835 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: NGC 869 | Statement: [Double Cluster, hasComponent, NGC 869]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: NGC 869
Context triple: [Double Cluster, hasComponent, NGC 869]
  • A. NGC 346
    NGC 346 is a prominent star-forming region and open cluster in the Small Magellanic Cloud, known for its young, massive stars and complex nebular structures.
  • B. Messier 45
    Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
  • C. NGC 1977
    NGC 1977 is a bright reflection nebula and star-forming region located in the constellation Orion, often seen near the famous Orion Nebula as part of the same larger complex.
  • D. NGC 7320
    NGC 7320 is a foreground spiral galaxy in the constellation Pegasus that appears as part of Stephan’s Quintet but is actually much closer to Earth than the other members.
  • E. Open cluster NGC 6530
    Open cluster NGC 6530 is a young, bright star cluster embedded in the Lagoon Nebula in the constellation Sagittarius, serving as a prominent site of active star formation within 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: NGC 869
Triple: [Double Cluster, hasComponent, NGC 869]
Generated description
NGC 869 is a young, massive open star cluster in the constellation Perseus, best known as one half of the prominent Double Cluster visible to the naked eye.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: NGC 869
Target entity description: NGC 869 is a young, massive open star cluster in the constellation Perseus, best known as one half of the prominent Double Cluster visible to the naked eye.
  • A. NGC 346
    NGC 346 is a prominent star-forming region and open cluster in the Small Magellanic Cloud, known for its young, massive stars and complex nebular structures.
  • B. Messier 45
    Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
  • C. NGC 1977
    NGC 1977 is a bright reflection nebula and star-forming region located in the constellation Orion, often seen near the famous Orion Nebula as part of the same larger complex.
  • D. NGC 7320
    NGC 7320 is a foreground spiral galaxy in the constellation Pegasus that appears as part of Stephan’s Quintet but is actually much closer to Earth than the other members.
  • E. Open cluster NGC 6530
    Open cluster NGC 6530 is a young, bright star cluster embedded in the Lagoon Nebula in the constellation Sagittarius, serving as a prominent site of active star formation within 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_69bd59e098c08190b769e76937dff700 completed March 20, 2026, 2:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69be035a44f08190900bc6898a40e4e9 completed March 21, 2026, 2:32 a.m.
NEDg Description generation batch_69be03e3e290819080ff03c0b43296fa completed March 21, 2026, 2:35 a.m.
NED2 Entity disambiguation (via description) batch_69be04af089c8190b6b0dfae4bb71b4a completed March 21, 2026, 2:38 a.m.
Created at: March 20, 2026, 1:12 p.m.