Triple

T245915

Position	Surface form	Disambiguated ID	Type / Status
Subject	Project Ozma	`E5036`	entity
Predicate	location	`P40`	FINISHED
Object	National Radio Astronomy Observatory The National Radio Astronomy Observatory is a U.S. research facility that operates some of the world’s most advanced radio telescopes for studying the universe at radio wavelengths.	`E31699`	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: National Radio Astronomy Observatory | Statement: [Project Ozma, location, National Radio Astronomy Observatory]

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

Target entity: National Radio Astronomy Observatory
Context triple: [Project Ozma, location, National Radio Astronomy Observatory]

A. Cerro Tololo Inter-American Observatory
Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
B. Allen Telescope Array
The Allen Telescope Array is a large, multi-dish radio telescope facility in California designed primarily for simultaneous radio astronomy and the search for extraterrestrial intelligence.
C. Kavli Institute for Astrophysics and Space Research
The Kavli Institute for Astrophysics and Space Research is a leading MIT-based research center focused on observational and theoretical studies of the universe, including space-based astronomy and cosmology.
D. Gemini South Observatory
Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
E. Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
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: National Radio Astronomy Observatory
Triple: [Project Ozma, location, National Radio Astronomy Observatory]

Generated description

The National Radio Astronomy Observatory is a U.S. research facility that operates some of the world’s most advanced radio telescopes for studying the universe at radio wavelengths.

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

Target entity: National Radio Astronomy Observatory
Target entity description: The National Radio Astronomy Observatory is a U.S. research facility that operates some of the world’s most advanced radio telescopes for studying the universe at radio wavelengths.

A. Cerro Tololo Inter-American Observatory
Cerro Tololo Inter-American Observatory is a major astronomical observatory complex in northern Chile that hosts multiple world-class telescopes used for cutting-edge research on the universe.
B. Allen Telescope Array
The Allen Telescope Array is a large, multi-dish radio telescope facility in California designed primarily for simultaneous radio astronomy and the search for extraterrestrial intelligence.
C. Kavli Institute for Astrophysics and Space Research
The Kavli Institute for Astrophysics and Space Research is a leading MIT-based research center focused on observational and theoretical studies of the universe, including space-based astronomy and cosmology.
D. Gemini South Observatory
Gemini South Observatory is a major 8.1-meter optical and infrared telescope facility located on Cerro Pachón in Chile, forming the southern half of the international Gemini Observatory.
E. Yerkes Observatory
Yerkes Observatory is a historic astronomical observatory in Wisconsin renowned for housing one of the world’s largest refracting telescopes and for its influential role in 20th-century astrophysical research.
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_69a257c4bf688190a46ebbf411ab7473`	completed	Feb. 28, 2026, 2:49 a.m.
NER	Named-entity recognition	`batch_69a25d128c0081909908825b302ae635`	completed	Feb. 28, 2026, 3:12 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a36cf4d8608190bf3d33ee6b93aae0`	completed	Feb. 28, 2026, 10:32 p.m.
NEDg	Description generation	`batch_69a36d7b01fc8190a5c596b748bbaa53`	completed	Feb. 28, 2026, 10:34 p.m.
NED2	Entity disambiguation (via description)	`batch_69a36df1839081909c743e1357dd400a`	completed	Feb. 28, 2026, 10:36 p.m.

Created at: Feb. 28, 2026, 2:54 a.m.