Triple

T19260831
Position Surface form Disambiguated ID Type / Status
Subject Sanduleak -69 202 E481644 entity
Predicate catalogDesignation P974 FINISHED
Object Sk -69 202
Sk -69 202 is a blue supergiant star in the Large Magellanic Cloud that served as the progenitor of the famous supernova SN 1987A.
E1365439 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: Sk -69 202 | Statement: [Sanduleak -69 202, catalogDesignation, Sk -69 202]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sk -69 202
Context triple: [Sanduleak -69 202, catalogDesignation, Sk -69 202]
  • A. Sk 60
    Sk 60 is the Swedish Air Force designation for the Saab 105, a twin-engine jet trainer and light attack aircraft.
  • B. S-200
    The S-200 is a long-range, Soviet-era surface-to-air missile system designed primarily to engage high-altitude aircraft and strategic targets.
  • C. 1969-002A
    1969-002A is the COSPAR designation for Venera 6, a Soviet spacecraft launched to study the atmosphere of Venus.
  • D. R699
    R699 is a regional road in Ireland designated with the route number R699.
  • E. (2009) BR60
    (2009) BR60 is a trans-Neptunian object in the Kuiper Belt, identified as a collisional fragment associated with the dwarf planet Haumea.
  • 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: Sk -69 202
Triple: [Sanduleak -69 202, catalogDesignation, Sk -69 202]
Generated description
Sk -69 202 is a blue supergiant star in the Large Magellanic Cloud that served as the progenitor of the famous supernova SN 1987A.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sk -69 202
Target entity description: Sk -69 202 is a blue supergiant star in the Large Magellanic Cloud that served as the progenitor of the famous supernova SN 1987A.
  • A. Sk 60
    Sk 60 is the Swedish Air Force designation for the Saab 105, a twin-engine jet trainer and light attack aircraft.
  • B. S-200
    The S-200 is a long-range, Soviet-era surface-to-air missile system designed primarily to engage high-altitude aircraft and strategic targets.
  • C. 1969-002A
    1969-002A is the COSPAR designation for Venera 6, a Soviet spacecraft launched to study the atmosphere of Venus.
  • D. R699
    R699 is a regional road in Ireland designated with the route number R699.
  • E. (2009) BR60
    (2009) BR60 is a trans-Neptunian object in the Kuiper Belt, identified as a collisional fragment associated with the dwarf planet Haumea.
  • 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_69d8e8ce54cc8190998418ff1f66ef28 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fb890e7c8190beba407f63459382 completed April 20, 2026, 10:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0705ecd7788190b94a97b4a517f8c4 completed May 15, 2026, 11:39 a.m.
NEDg Description generation batch_6a070651263c8190b33b74f3dfd4a515 completed May 15, 2026, 11:41 a.m.
NED2 Entity disambiguation (via description) batch_6a0706ca714c8190baf78f8fa0e5f002 completed May 15, 2026, 11:43 a.m.
Created at: April 10, 2026, 1:28 p.m.