Triple

T23244208
Position Surface form Disambiguated ID Type / Status
Subject c Tauri E581537 entity
Predicate hasCatalogIdentifier P46986 FINISHED
Object FK5 166
FK5 166 is a catalog designation for the variable pre-main-sequence star c Tauri in the constellation Taurus.
 E1576296 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: FK5 166 | Statement: [c Tauri, hasCatalogIdentifier, FK5 166]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: FK5 166
Context triple: [c Tauri, hasCatalogIdentifier, FK5 166]
  • A. FK5 187
    FK5 187 is a catalog designation for HD 37128, better known as Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
  • B. FK5 438
    FK5 438 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the Hipparcos catalog under the designation HIP 60718.
  • C. FK5 320
    FK5 320 is the FK5 catalog designation for Asellus Borealis, a star in the constellation Cancer that forms part of the traditional "donkey" pair near the Beehive Cluster.
  • D. FK5 224
    FK5 224 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the sky.
  • E. FK5 330
    FK5 330 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the celestial coordinate system.
  • 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: FK5 166
Triple: [c Tauri, hasCatalogIdentifier, FK5 166]
Generated description
FK5 166 is a catalog designation for the variable pre-main-sequence star c Tauri in the constellation Taurus.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: FK5 166
Target entity description: FK5 166 is a catalog designation for the variable pre-main-sequence star c Tauri in the constellation Taurus.
  • A. FK5 187
    FK5 187 is a catalog designation for HD 37128, better known as Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
  • B. FK5 438
    FK5 438 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the Hipparcos catalog under the designation HIP 60718.
  • C. FK5 320
    FK5 320 is the FK5 catalog designation for Asellus Borealis, a star in the constellation Cancer that forms part of the traditional "donkey" pair near the Beehive Cluster.
  • D. FK5 224
    FK5 224 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the sky.
  • E. FK5 330
    FK5 330 is a star listed in the Fifth Fundamental Catalogue (FK5), serving as a high-precision astrometric reference object in the celestial coordinate system.
  • 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_69e24606b17c81908aba1a4911c8a8ba completed April 17, 2026, 2:39 p.m.
NER Named-entity recognition batch_69f193ee37c8819091f799506fa532da completed April 29, 2026, 5:15 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c3f624cfc81908be70a8887890449 completed May 19, 2026, 10:45 a.m.
NEDg Description generation batch_6a0c405be1188190b6622665e448bbe7 completed May 19, 2026, 10:50 a.m.
NED2 Entity disambiguation (via description) batch_6a0c40bece448190bb9fd1a3058a1f06 completed May 19, 2026, 10:51 a.m.
Created at: April 17, 2026, 4:10 p.m.