Triple

T4943595
Position Surface form Disambiguated ID Type / Status
Subject Centaurus constellation region E110993 entity
Predicate contains P35 FINISHED
Object NGC 3918
NGC 3918 is a bright planetary nebula in the southern sky, often called the "Blue Planetary" due to its vivid blue appearance.
E498147 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 3918 | Statement: [Centaurus constellation region, contains, NGC 3918]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: NGC 3918
Context triple: [Centaurus constellation region, contains, NGC 3918]
  • A. NGC 4609
    NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
  • B. NGC 3372
    NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
  • C. NGC 598
    NGC 598 is the Triangulum Galaxy, a nearby spiral galaxy in the Local Group and one of the closest large galaxies to the Milky Way.
  • D. NGC 2976
    NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
  • E. NGC 3766
    NGC 3766 is a young open star cluster notable for its rich population of hot, massive stars and unusual variable stars, located 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: NGC 3918
Triple: [Centaurus constellation region, contains, NGC 3918]
Generated description
NGC 3918 is a bright planetary nebula in the southern sky, often called the "Blue Planetary" due to its vivid blue appearance.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: NGC 3918
Target entity description: NGC 3918 is a bright planetary nebula in the southern sky, often called the "Blue Planetary" due to its vivid blue appearance.
  • A. NGC 4609
    NGC 4609 is an open star cluster located in the southern constellation Centaurus, notable for its relatively young stellar population.
  • B. NGC 3372
    NGC 3372 is a massive, bright star-forming nebula in the Carina constellation, famous for housing the unstable supergiant star Eta Carinae and extensive regions of ionized gas and dust.
  • C. NGC 598
    NGC 598 is the Triangulum Galaxy, a nearby spiral galaxy in the Local Group and one of the closest large galaxies to the Milky Way.
  • D. NGC 2976
    NGC 2976 is a nearby dwarf spiral galaxy in the constellation Ursa Major and a member of the M81 Group of galaxies.
  • E. NGC 3766
    NGC 3766 is a young open star cluster notable for its rich population of hot, massive stars and unusual variable stars, located 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_69bd441721cc819085c7e33fe0876818 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd70a7650c8190b046b65072fd8eae completed March 20, 2026, 4:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69becfa8578c8190948a1597ebac3ca6 completed March 21, 2026, 5:04 p.m.
NEDg Description generation batch_69bed17485688190a0666b902e162564 completed March 21, 2026, 5:12 p.m.
NED2 Entity disambiguation (via description) batch_69bed1cae2cc819088d322c47945581b completed March 21, 2026, 5:13 p.m.
Created at: March 20, 2026, 1:31 p.m.