Triple

T1601928

Position	Surface form	Disambiguated ID	Type / Status
Subject	United States Naval Observatory	`E34411`	entity
Predicate	affiliation	`P10`	FINISHED
Object	United States Naval Observatory Flagstaff Station The United States Naval Observatory Flagstaff Station is an astronomical observatory in Flagstaff, Arizona, operated by the U.S. Naval Observatory for high-precision astrometric and related observations.	`E185924`	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: United States Naval Observatory Flagstaff Station | Statement: [United States Naval Observatory, affiliation, United States Naval Observatory Flagstaff Station]

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

Target entity: United States Naval Observatory Flagstaff Station
Context triple: [United States Naval Observatory, affiliation, United States Naval Observatory Flagstaff Station]

A. Lowell Observatory
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
B. Hat Creek Radio Observatory
Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
C. Fred Lawrence Whipple Observatory
The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
D. 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.
E. Mount Wilson Observatory
Mount Wilson Observatory is a historic astronomical observatory in California renowned for its early 20th-century telescopes and pioneering contributions to stellar and galactic astronomy.
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: United States Naval Observatory Flagstaff Station
Triple: [United States Naval Observatory, affiliation, United States Naval Observatory Flagstaff Station]

Generated description

The United States Naval Observatory Flagstaff Station is an astronomical observatory in Flagstaff, Arizona, operated by the U.S. Naval Observatory for high-precision astrometric and related observations.

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

Target entity: United States Naval Observatory Flagstaff Station
Target entity description: The United States Naval Observatory Flagstaff Station is an astronomical observatory in Flagstaff, Arizona, operated by the U.S. Naval Observatory for high-precision astrometric and related observations.

A. Lowell Observatory
Lowell Observatory is a historic astronomical research institution in Flagstaff, Arizona, renowned for its role in major discoveries including the identification of Pluto.
B. Hat Creek Radio Observatory
Hat Creek Radio Observatory is a radio astronomy facility in Northern California known for hosting the Allen Telescope Array used in both astronomical and SETI research.
C. Fred Lawrence Whipple Observatory
The Fred Lawrence Whipple Observatory is a major astronomical research facility in Arizona known for its optical and gamma-ray telescopes used to study the universe.
D. 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.
E. Mount Wilson Observatory
Mount Wilson Observatory is a historic astronomical observatory in California renowned for its early 20th-century telescopes and pioneering contributions to stellar and galactic astronomy.
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_69a885fea6a481909fe83ba6441f1774`	completed	March 4, 2026, 7:20 p.m.
NER	Named-entity recognition	`batch_69a9094b7b3c8190a5b08699e07a770f`	completed	March 5, 2026, 4:40 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ad608dfc688190a81a502c810f67fb`	completed	March 8, 2026, 11:42 a.m.
NEDg	Description generation	`batch_69ad61e9f1e88190abdd07084e107fca`	completed	March 8, 2026, 11:47 a.m.
NED2	Entity disambiguation (via description)	`batch_69ad625af68481908dc5d43781aeff03`	completed	March 8, 2026, 11:49 a.m.

Created at: March 4, 2026, 7:28 p.m.