Triple

T18771727
Position Surface form Disambiguated ID Type / Status
Subject ζ Persei E459030 entity
Predicate memberOf P10 FINISHED
Object Per OB2 association
The Per OB2 association is a nearby group of young, massive OB-type stars in the constellation Perseus, formed from the same molecular cloud and moving together through space.
 E1341708 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: Per OB2 association | Statement: [ζ Persei, memberOf, Per OB2 association]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Per OB2 association
Context triple: [ζ Persei, memberOf, Per OB2 association]
  • A. Mon OB2
    Mon OB2 is a young stellar association in the constellation Monoceros, rich in massive, hot OB-type stars that illuminate surrounding nebulae.
  • B. OBN
    OBN is the National Rail station code for Oban railway station in Argyll and Bute, Scotland.
  • C. OBN
    OBN is the three-letter IATA airport code assigned to Oban Airport in Scotland.
  • D. OBO
    OBO is the three-letter IATA airport code assigned to Tokachi-Obihiro Airport in Hokkaido, Japan.
  • E. OBA
    OBA is the main public library organization of Amsterdam, known for its large central library and network of branches offering books, media, and cultural programs to residents and visitors.
  • 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: Per OB2 association
Triple: [ζ Persei, memberOf, Per OB2 association]
Generated description
The Per OB2 association is a nearby group of young, massive OB-type stars in the constellation Perseus, formed from the same molecular cloud and moving together through space.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Per OB2 association
Target entity description: The Per OB2 association is a nearby group of young, massive OB-type stars in the constellation Perseus, formed from the same molecular cloud and moving together through space.
  • A. Mon OB2
    Mon OB2 is a young stellar association in the constellation Monoceros, rich in massive, hot OB-type stars that illuminate surrounding nebulae.
  • B. OBN
    OBN is the National Rail station code for Oban railway station in Argyll and Bute, Scotland.
  • C. OBN
    OBN is the three-letter IATA airport code assigned to Oban Airport in Scotland.
  • D. OBO
    OBO is the three-letter IATA airport code assigned to Tokachi-Obihiro Airport in Hokkaido, Japan.
  • E. OBA
    OBA is the main public library organization of Amsterdam, known for its large central library and network of branches offering books, media, and cultural programs to residents and visitors.
  • 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_6a053d46f1b88190b51ed8af4004c880 completed May 14, 2026, 3:11 a.m.
NEDg Description generation batch_6a053ee038708190a242cb62fee15302 completed May 14, 2026, 3:17 a.m.
NED2 Entity disambiguation (via description) batch_6a053fba29208190ac0ee5a05522a7e2 completed May 14, 2026, 3:21 a.m.
Created at: April 10, 2026, 11:52 a.m.