Triple

T18772263
Position Surface form Disambiguated ID Type / Status
Subject NGC 884 E459044 entity
Predicate alsoKnownAs P39 FINISHED
Object h Persei
h Persei is a young, massive open star cluster in the constellation Perseus, forming one half of the famous Double Cluster along with χ Persei.
 E1343641 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: h Persei | Statement: [NGC 884, alsoKnownAs, h Persei]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: h Persei
Context triple: [NGC 884, alsoKnownAs, h Persei]
  • A. o Persei
    o Persei is a bright B-type giant star in the constellation Perseus and a notable member of the Perseus OB2 stellar association.
  • B. ζ Persei
    ζ Persei is a bright, massive B-type star in the constellation Perseus, notable as a prominent member of the Perseus OB2 stellar association.
  • C. Beta Persei
    Beta Persei, better known as Algol, is a famous eclipsing binary star system whose periodic dimming made it one of the first variable stars recognized in the night sky.
  • D. Alpha Persei
    Alpha Persei is the brightest star in the constellation Perseus, a luminous F-type supergiant visible to the naked eye.
  • E. GK Persei
    GK Persei is a well-known cataclysmic variable star and classical nova in the constellation Perseus, famous for its dramatic 1901 nova outburst and expanding nebular remnant.
  • 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: h Persei
Triple: [NGC 884, alsoKnownAs, h Persei]
Generated description
h Persei is a young, massive open star cluster in the constellation Perseus, forming one half of the famous Double Cluster along with χ Persei.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: h Persei
Target entity description: h Persei is a young, massive open star cluster in the constellation Perseus, forming one half of the famous Double Cluster along with χ Persei.
  • A. o Persei
    o Persei is a bright B-type giant star in the constellation Perseus and a notable member of the Perseus OB2 stellar association.
  • B. ζ Persei
    ζ Persei is a bright, massive B-type star in the constellation Perseus, notable as a prominent member of the Perseus OB2 stellar association.
  • C. Beta Persei
    Beta Persei, better known as Algol, is a famous eclipsing binary star system whose periodic dimming made it one of the first variable stars recognized in the night sky.
  • D. Alpha Persei
    Alpha Persei is the brightest star in the constellation Perseus, a luminous F-type supergiant visible to the naked eye.
  • E. GK Persei
    GK Persei is a well-known cataclysmic variable star and classical nova in the constellation Perseus, famous for its dramatic 1901 nova outburst and expanding nebular remnant.
  • 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_69d8d395dba0819087568404508590cb completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e59336a6b08190819595a55177264e completed April 20, 2026, 2:45 a.m.
NED1 Entity disambiguation (via context triple) batch_6a055bb6551881908fe3ce991ddae4e5 completed May 14, 2026, 5:20 a.m.
NEDg Description generation batch_6a055d9a9da88190b974e8803ca8537f completed May 14, 2026, 5:28 a.m.
NED2 Entity disambiguation (via description) batch_6a055e1b66388190b8ed6e74944f5504 completed May 14, 2026, 5:31 a.m.
Created at: April 10, 2026, 11:52 a.m.