Triple

T3549153

Position	Surface form	Disambiguated ID	Type / Status
Subject	ESO Council	`E75067`	entity
Predicate	legalBasis	`P125`	FINISHED
Object	Convention establishing the European Southern Observatory The Convention establishing the European Southern Observatory is the international treaty that created and governs ESO, a leading intergovernmental astronomy organization operating major observatories in the Southern Hemisphere.	`E367956`	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: Convention establishing the European Southern Observatory | Statement: [ESO Council, legalBasis, Convention establishing the European Southern Observatory]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Convention establishing the European Southern Observatory
Context triple: [ESO Council, legalBasis, Convention establishing the European Southern Observatory]

A. European Southern Observatory
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. 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.
C. ESO Council
The ESO Council is the main governing body of the European Southern Observatory, composed of representatives from its member states who oversee its scientific strategy, budget, and major projects.
D. ESO 3.6 m Telescope
The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
E. Joint ALMA Observatory
The Joint ALMA Observatory is the international organization responsible for managing and operating the Atacama Large Millimeter/submillimeter Array (ALMA) radio telescope facility in Chile.
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: Convention establishing the European Southern Observatory
Triple: [ESO Council, legalBasis, Convention establishing the European Southern Observatory]

Generated description

The Convention establishing the European Southern Observatory is the international treaty that created and governs ESO, a leading intergovernmental astronomy organization operating major observatories in the Southern Hemisphere.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Convention establishing the European Southern Observatory
Target entity description: The Convention establishing the European Southern Observatory is the international treaty that created and governs ESO, a leading intergovernmental astronomy organization operating major observatories in the Southern Hemisphere.

A. European Southern Observatory
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. 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.
C. ESO Council
The ESO Council is the main governing body of the European Southern Observatory, composed of representatives from its member states who oversee its scientific strategy, budget, and major projects.
D. ESO 3.6 m Telescope
The ESO 3.6 m Telescope is a major optical telescope operated by the European Southern Observatory in Chile, known for hosting the HARPS spectrograph used in exoplanet discovery.
E. Joint ALMA Observatory
The Joint ALMA Observatory is the international organization responsible for managing and operating the Atacama Large Millimeter/submillimeter Array (ALMA) radio telescope facility in Chile.
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_69ad85d33c6c819081d5ac1df13b5680`	completed	March 8, 2026, 2:21 p.m.
NER	Named-entity recognition	`batch_69adbfd278348190ad2fa54f4a423541`	completed	March 8, 2026, 6:28 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b38be9335c81909ba546a079134c8f`	completed	March 13, 2026, 4 a.m.
NEDg	Description generation	`batch_69b38c5cfb608190b451be14246d5481`	completed	March 13, 2026, 4:02 a.m.
NED2	Entity disambiguation (via description)	`batch_69b38ce0e1688190a7ee3d079fb83f3d`	completed	March 13, 2026, 4:04 a.m.

Created at: March 8, 2026, 3:20 p.m.