Triple

T21026618
Position Surface form Disambiguated ID Type / Status
Subject M99 E517956 entity
Predicate alsoKnownAs P39 FINISHED
Object PGC 39578
PGC 39578 is a grand-design spiral galaxy in the Virgo Cluster, more commonly known as Messier 99 (M99).
E1477156 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: PGC 39578 | Statement: [M99, alsoKnownAs, PGC 39578]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: PGC 39578
Context triple: [M99, alsoKnownAs, PGC 39578]
  • A. PGC 30997
    PGC 30997 is a cataloged galaxy listed in the Principal Galaxies Catalogue, also known as UGC 5666 in the Uppsala General Catalogue.
  • B. PGC 39139
    PGC 39139 is a spiral galaxy in the Virgo Cluster, more commonly known as Messier 98 (M98), located in the constellation Coma Berenices.
  • C. PGC 3792
    PGC 3792 is a faint, nearby dwarf irregular galaxy in the constellation Pisces that is part of the Local Group.
  • D. PGC 34176
    PGC 34176 is a dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Leo, commonly known as Leo I.
  • E. PGC 31837
    PGC 31837 is a dwarf irregular galaxy in the nearby universe, cataloged in multiple galaxy surveys including the Principal Galaxies Catalogue.
  • 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: PGC 39578
Triple: [M99, alsoKnownAs, PGC 39578]
Generated description
PGC 39578 is a grand-design spiral galaxy in the Virgo Cluster, more commonly known as Messier 99 (M99).
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: PGC 39578
Target entity description: PGC 39578 is a grand-design spiral galaxy in the Virgo Cluster, more commonly known as Messier 99 (M99).
  • A. PGC 30997
    PGC 30997 is a cataloged galaxy listed in the Principal Galaxies Catalogue, also known as UGC 5666 in the Uppsala General Catalogue.
  • B. PGC 39139
    PGC 39139 is a spiral galaxy in the Virgo Cluster, more commonly known as Messier 98 (M98), located in the constellation Coma Berenices.
  • C. PGC 3792
    PGC 3792 is a faint, nearby dwarf irregular galaxy in the constellation Pisces that is part of the Local Group.
  • D. PGC 34176
    PGC 34176 is a dwarf spheroidal satellite galaxy of the Milky Way located in the constellation Leo, commonly known as Leo I.
  • E. PGC 31837
    PGC 31837 is a dwarf irregular galaxy in the nearby universe, cataloged in multiple galaxy surveys including the Principal Galaxies Catalogue.
  • 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_69e0b503275c8190afd9a163f997c709 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e6fc7c262c8190bceb8fd26be76983 completed April 21, 2026, 4:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a099ebe74f08190ad2e873ecd344e68 completed May 17, 2026, 10:55 a.m.
NEDg Description generation batch_6a099f69f1e08190bf96197fcf42b897 completed May 17, 2026, 10:58 a.m.
NED2 Entity disambiguation (via description) batch_6a099feeda3481909d8020763f32d430 completed May 17, 2026, 11:01 a.m.
Created at: April 16, 2026, 1:55 p.m.