Triple

T18772170
Position Surface form Disambiguated ID Type / Status
Subject HD 26499 E459040 entity
Predicate hasStellarAssociation P33200 FINISHED
Object Per OB2
Per OB2 is an OB stellar association in the constellation Perseus, containing numerous young, massive, hot stars formed from the same giant molecular cloud.
E1341719 NE FINISHED

How this triple was built (5 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 | Statement: [HD 26499, hasStellarAssociation, Per OB2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Per OB2
Context triple: [HD 26499, hasStellarAssociation, Per OB2]
  • 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. OBY
    OBY is the National Rail station code for Oyster Bay railway station.
  • E. OBR
    OBR is the standard rulebook that governs the official rules and regulations of professional baseball, particularly Major League Baseball.
  • 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
Triple: [HD 26499, hasStellarAssociation, Per OB2]
Generated description
Per OB2 is an OB stellar association in the constellation Perseus, containing numerous young, massive, hot stars formed from the same giant molecular cloud.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Per OB2
Target entity description: Per OB2 is an OB stellar association in the constellation Perseus, containing numerous young, massive, hot stars formed from the same giant molecular cloud.
  • 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. OBY
    OBY is the National Rail station code for Oyster Bay railway station.
  • E. OBR
    OBR is the independent UK fiscal watchdog that provides official economic and public finance forecasts and assesses the sustainability of government finances.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasStellarAssociation
Context triple: [HD 26499, hasStellarAssociation, Per OB2]
  • A. hasStellarActivity
    Indicates that an astronomical object exhibits measurable activity or variability originating from its star, such as flares, spots, or magnetic phenomena.
  • B. hasStellarStream
    Indicates that one astronomical object possesses or is associated with a coherent flow of stars, known as a stellar stream, typically resulting from tidal interactions or disruption.
  • C. belongsToStarCluster chosen
    Indicates that an astronomical object is a member of, or gravitationally bound to, a specific star cluster.
  • D. hasStellarSpectrum
    Indicates that an astronomical object exhibits a particular stellar spectrum characterizing its emitted light across wavelengths.
  • E. hasStellarShells
    Indicates that an astronomical object possesses one or more surrounding shell-like stellar structures.
  • F. None of above.

Provenance (6 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.
PD Predicate disambiguation batch_69e48d1126e4819099607837ed5aadca completed April 19, 2026, 8:06 a.m.
Created at: April 10, 2026, 11:52 a.m.