Triple

T13767580

Position	Surface form	Disambiguated ID	Type / Status
Subject	Al-Zarqali	`E330788`	entity
Predicate	madeObservationAt	`P7677`	FINISHED
Object	Toledo observatory Toledo observatory was a prominent medieval Islamic astronomical center in Toledo, Spain, where astronomer Al-Zarqali conducted influential observations that contributed to later European astronomy.	`E1059829`	NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Toledo observatory | Statement: [Al-Zarqali, madeObservationAt, Toledo observatory]

Disambiguation candidates (3 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

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

Target entity: Toledo observatory
Context triple: [Al-Zarqali, madeObservationAt, Toledo observatory]

A. Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
B. Observatorio
Observatorio is a major western terminal station of the Mexico City Metro, serving as an important transit hub for commuters.
C. Urania observatory
The Urania observatory is a historic public educational and astronomical institution in Vienna, Austria, known for its planetarium, lectures, and distinctive riverside architecture.
D. Mamalluca Observatory
Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
E. Dearborn Observatory
Dearborn Observatory is a historic astronomical observatory at Northwestern University in Evanston, Illinois, known for its large refracting telescope and long-standing role in American astronomical research.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target entity: Toledo observatory
Target entity description: Toledo observatory was a prominent medieval Islamic astronomical center in Toledo, Spain, where astronomer Al-Zarqali conducted influential observations that contributed to later European astronomy.

A. Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
B. Observatorio
Observatorio is a major western terminal station of the Mexico City Metro, serving as an important transit hub for commuters.
C. Urania observatory
The Urania observatory is a historic public educational and astronomical institution in Vienna, Austria, known for its planetarium, lectures, and distinctive riverside architecture.
D. Mamalluca Observatory
Mamalluca Observatory is a popular public astronomical observatory in Chile’s Elqui Valley, renowned for its exceptionally clear skies and stargazing tourism.
E. Dearborn Observatory
Dearborn Observatory is a historic astronomical observatory at Northwestern University in Evanston, Illinois, known for its large refracting telescope and long-standing role in American astronomical research.
F. None of above. chosen

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: madeObservationAt
Context triple: [Al-Zarqali, madeObservationAt, Toledo observatory]

A. observedAt chosen
Indicates that an entity was recorded or noticed at a specific time or place.
B. hasObservation
Indicates that an entity records, contains, or is associated with a specific observation or measured instance.
C. observedSince
Indicates that one entity has been continuously or repeatedly observed starting from a specified point in time.
D. dateObserved
Indicates the specific date on which an event, condition, or measurement was recorded or observed.
E. madeAt
Indicates the specific place or time at which something was created, produced, or manufactured.
F. None of above.

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Toledo observatory
Triple: [Al-Zarqali, madeObservationAt, Toledo observatory]

Generated description

Toledo observatory was a prominent medieval Islamic astronomical center in Toledo, Spain, where astronomer Al-Zarqali conducted influential observations that contributed to later European astronomy.

Provenance (6 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69d81c583b0081909e408a17db517a21`	elicitation	completed
NER	`batch_69de0227f2c48190983ccc9395e4e7a2`	ner	completed
NED1	`batch_69f7a866e7cc8190a0381f4469193b6e`	ned_source_triple	completed
NED2	`batch_69f7aafceea881908737a3d7613db2d5`	ned_description	completed
NEDg	`batch_69f7a9f5549c81908a1a0b080acc3396`	nedg	completed
PD	`batch_69dbbe97846c819093b00ea117b64e0d`	pd	completed

Created at: April 9, 2026, 10:10 p.m.