Triple

T9627757
Position Surface form Disambiguated ID Type / Status
Subject Event Horizon Telescope E232512 entity
Predicate hasMemberInstitution P1933 FINISHED
Object European Southern Observatory E75062 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: European Southern Observatory | Statement: [Event Horizon Telescope, hasMemberInstitution, European Southern Observatory]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: European Southern Observatory
Context triple: [Event Horizon Telescope, hasMemberInstitution, European Southern Observatory]
  • A. European Southern Observatory chosen
    The European Southern Observatory is an intergovernmental astronomy organization that designs, builds, and operates some of the world’s most advanced ground-based telescopes in the southern hemisphere.
  • B. European Space Astronomy Centre
    The European Space Astronomy Centre is the European Space Agency’s main hub for space science operations, hosting mission control, data processing, and archives for many of ESA’s astronomy and planetary missions.
  • C. ESO La Silla Paranal Observatory
    ESO La Silla Paranal Observatory is a major European Southern Observatory facility in Chile that operates several world-class optical and infrared telescopes, including those at La Silla and Paranal.
  • D. Nordic Optical Telescope
    The Nordic Optical Telescope is a 2.56-meter optical/infrared research telescope operated by a consortium of Nordic countries and located at the Roque de los Muchachos Observatory on La Palma in the Canary Islands.
  • E. Paranal Observatory
    Paranal Observatory is a major astronomical research facility in Chile’s Atacama Desert that hosts the European Southern Observatory’s Very Large Telescope array.
  • 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_69d1798129dc819090a29efcbcf34b8e completed April 4, 2026, 8:50 p.m.
Created at: March 30, 2026, 8:10 p.m.