Triple

T20981478
Position Surface form Disambiguated ID Type / Status
Subject Gemini E516773 entity
Predicate containsDeepSkyObject P23775 FINISHED
Object NGC 2158
NGC 2158 is a rich, compact open star cluster located near M35 in the constellation Gemini, notable for its great age and distance from Earth.
E1543710 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: NGC 2158 | Statement: [Gemini, containsDeepSkyObject, NGC 2158]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: NGC 2158
Context triple: [Gemini, containsDeepSkyObject, NGC 2158]
  • A. NGC 2183
    NGC 2183 is a reflection nebula and star-forming region located in the constellation Monoceros.
  • B. NGC 221
    NGC 221 is a compact dwarf elliptical galaxy in the Local Group, best known as the bright satellite galaxy M32 orbiting the Andromeda Galaxy.
  • C. NGC 2238
    NGC 2238 is a star cluster or nebular region that forms part of the larger Rosette Nebula complex in the constellation Monoceros.
  • D. NGC 2287
    NGC 2287 is an open star cluster in the constellation Canis Major, visible to the naked eye and notable for its bright, relatively young stars.
  • E. NGC 2146
    NGC 2146 is a heavily distorted starburst galaxy undergoing intense star formation, located in the northern constellation Camelopardalis.
  • 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: NGC 2158
Triple: [Gemini, containsDeepSkyObject, NGC 2158]
Generated description
NGC 2158 is a rich, compact open star cluster located near M35 in the constellation Gemini, notable for its great age and distance from Earth.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: NGC 2158
Target entity description: NGC 2158 is a rich, compact open star cluster located near M35 in the constellation Gemini, notable for its great age and distance from Earth.
  • A. NGC 2183
    NGC 2183 is a reflection nebula and star-forming region located in the constellation Monoceros.
  • B. NGC 221
    NGC 221 is a compact dwarf elliptical galaxy in the Local Group, best known as the bright satellite galaxy M32 orbiting the Andromeda Galaxy.
  • C. NGC 2238
    NGC 2238 is a star cluster or nebular region that forms part of the larger Rosette Nebula complex in the constellation Monoceros.
  • D. NGC 2287
    NGC 2287 is an open star cluster in the constellation Canis Major, visible to the naked eye and notable for its bright, relatively young stars.
  • E. NGC 2146
    NGC 2146 is a heavily distorted starburst galaxy undergoing intense star formation, located in the northern constellation Camelopardalis.
  • 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_69e0b4ffac148190bbade9f0eceb660b completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fbdea4988190bd091a5434acc376 completed April 21, 2026, 4:23 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b2d499de08190b0de4b4211936aec completed May 18, 2026, 3:16 p.m.
NEDg Description generation batch_6a0b3645f5a881908b322d16c7704e27 completed May 18, 2026, 3:54 p.m.
NED2 Entity disambiguation (via description) batch_6a0b3769c36081909ff732275513bb2b completed May 18, 2026, 3:59 p.m.
Created at: April 16, 2026, 1:48 p.m.