Triple

T19734975
Position Surface form Disambiguated ID Type / Status
Subject Jacobus Cornelius Kapteyn E473954 entity
Predicate hasNamesake P6111 FINISHED
Object Kapteyn’s Star
Kapteyn’s Star is a nearby, high-velocity red dwarf in the constellation Pictor, notable for its extreme proper motion and its role in studies of the Milky Way’s halo and stellar kinematics.
E1393646 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: Kapteyn’s Star | Statement: [Jacobus Cornelius Kapteyn, hasNamesake, Kapteyn’s Star]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kapteyn’s Star
Context triple: [Jacobus Cornelius Kapteyn, hasNamesake, Kapteyn’s Star]
  • A. Barnard's Star
    Barnard's Star is a nearby red dwarf star in the constellation Ophiuchus, notable for its proximity to Earth and its high proper motion, making it a prime candidate for interstellar mission concepts.
  • B. Kapteyn
    Kapteyn is a Dutch surname most notably associated with astronomer Jacobus Cornelius Kapteyn, after whom several astronomical objects and concepts are named.
  • C. Epsilon Eridani
    Epsilon Eridani is a nearby young K-type main-sequence star in the constellation Eridanus, notable for its debris disk and status as a prominent target in exoplanet and SETI searches.
  • D. Beta Eridani
    Beta Eridani, traditionally known as Cursa, is a bright blue-white giant star in the constellation Eridanus visible to the naked eye.
  • E. Theta Eridani
    Theta Eridani is a bright binary star system in the constellation Eridanus, visible to the naked eye and often used as a reference point in the southern sky.
  • 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: Kapteyn’s Star
Triple: [Jacobus Cornelius Kapteyn, hasNamesake, Kapteyn’s Star]
Generated description
Kapteyn’s Star is a nearby, high-velocity red dwarf in the constellation Pictor, notable for its extreme proper motion and its role in studies of the Milky Way’s halo and stellar kinematics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kapteyn’s Star
Target entity description: Kapteyn’s Star is a nearby, high-velocity red dwarf in the constellation Pictor, notable for its extreme proper motion and its role in studies of the Milky Way’s halo and stellar kinematics.
  • A. Barnard's Star
    Barnard's Star is a nearby red dwarf star in the constellation Ophiuchus, notable for its proximity to Earth and its high proper motion, making it a prime candidate for interstellar mission concepts.
  • B. Kapteyn
    Kapteyn is a Dutch surname most notably associated with astronomer Jacobus Cornelius Kapteyn, after whom several astronomical objects and concepts are named.
  • C. Epsilon Eridani
    Epsilon Eridani is a nearby young K-type main-sequence star in the constellation Eridanus, notable for its debris disk and status as a prominent target in exoplanet and SETI searches.
  • D. Beta Eridani
    Beta Eridani, traditionally known as Cursa, is a bright blue-white giant star in the constellation Eridanus visible to the naked eye.
  • E. Theta Eridani
    Theta Eridani is a bright binary star system in the constellation Eridanus, visible to the naked eye and often used as a reference point in the southern sky.
  • 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_69d8e517ebd48190979ee76723bcfadf completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6515d138c8190a4c4d112ed5756a3 completed April 20, 2026, 4:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07bd5f0a208190bd471c6e8d544a2a completed May 16, 2026, 12:42 a.m.
NEDg Description generation batch_6a07be2233c48190a9337bf238b0944b completed May 16, 2026, 12:45 a.m.
NED2 Entity disambiguation (via description) batch_6a07be94ac8081909dadabadaa4be370 completed May 16, 2026, 12:47 a.m.
Created at: April 10, 2026, 1:47 p.m.