Triple

T9627766
Position Surface form Disambiguated ID Type / Status
Subject Event Horizon Telescope E232512 entity
Predicate observes P134 FINISHED
Object M87* E525970 NE FINISHED

How this triple was built (2 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: M87* | Statement: [Event Horizon Telescope, observes, M87*]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: M87*
Context triple: [Event Horizon Telescope, observes, M87*]
  • A. Messier 87
    Messier 87 is a giant elliptical galaxy in the Virgo Cluster, notable for its supermassive black hole and powerful relativistic jet.
  • B. NGC 4486 chosen
    NGC 4486, better known as Messier 87 (M87), is a giant elliptical galaxy notable for its supermassive black hole and prominent relativistic jet.
  • C. NGC 4649
    NGC 4649, also known as Messier 60, is a massive elliptical galaxy in the constellation Virgo notable for its bright central region and supermassive black hole.
  • D. NGC 4689
    NGC 4689 is a spiral galaxy located in the constellation Coma Berenices and is a member of the Virgo Cluster of galaxies.
  • E. Messier 77
    Messier 77 is a bright barred spiral galaxy and active galactic nucleus located in the constellation Cetus, known as one of the nearest and most studied Seyfert galaxies.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca848793ec8190a93a12383a754dc0 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9afeb64c8190be91024c2e9039d3 completed April 1, 2026, 10:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69d182291c34819099f3f43769849c5d completed April 4, 2026, 9:27 p.m.
Created at: March 30, 2026, 8:10 p.m.