Triple

T8423415

Position	Surface form	Disambiguated ID	Type / Status
Subject	Plaza de Mayo station (Line A, Buenos Aires Underground)	`E198916`	entity
Predicate	adjacentStation	`P5707`	FINISHED
Object	Perú station (Line A, Buenos Aires Underground) Perú station is a historic stop on Line A of the Buenos Aires Underground, located in the city center and serving as one of the system’s oldest and most emblematic stations.	`E733133`	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: Perú station (Line A, Buenos Aires Underground) | Statement: [Plaza de Mayo station (Line A, Buenos Aires Underground), adjacentStation, Perú station (Line A, Buenos Aires Underground)]

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

Target entity: Perú station (Line A, Buenos Aires Underground)
Context triple: [Plaza de Mayo station (Line A, Buenos Aires Underground), adjacentStation, Perú station (Line A, Buenos Aires Underground)]

A. Plaza de Mayo station (Line A, Buenos Aires Underground)
Plaza de Mayo station (Line A, Buenos Aires Underground) is the historic terminus of Buenos Aires’ oldest subway line, located beneath the central Plaza de Mayo in the city’s downtown.
B. Congreso station (Line A, Buenos Aires Underground)
Congreso station (Line A, Buenos Aires Underground) is a central Buenos Aires subway stop on Line A, located in the historic downtown area and serving the national legislative district around the Argentine Congress.
C. Catedral station (Line D, Buenos Aires Underground)
Catedral station is the Line D terminus of the Buenos Aires Underground, located in the historic city center near Plaza de Mayo.
D. Nicolás Arriola station
Nicolás Arriola station is a passenger station on Line 1 of the Lima Metro system in Lima, Peru.
E. Bolívar station (Line E, Buenos Aires Underground)
Bolívar station is a Buenos Aires Underground Line E station located in the city center, serving as a key access point to the historic Plaza de Mayo area.
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: Perú station (Line A, Buenos Aires Underground)
Triple: [Plaza de Mayo station (Line A, Buenos Aires Underground), adjacentStation, Perú station (Line A, Buenos Aires Underground)]

Generated description

Perú station is a historic stop on Line A of the Buenos Aires Underground, located in the city center and serving as one of the system’s oldest and most emblematic stations.

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

Target entity: Perú station (Line A, Buenos Aires Underground)
Target entity description: Perú station is a historic stop on Line A of the Buenos Aires Underground, located in the city center and serving as one of the system’s oldest and most emblematic stations.

A. Plaza de Mayo station (Line A, Buenos Aires Underground)
Plaza de Mayo station (Line A, Buenos Aires Underground) is the historic terminus of Buenos Aires’ oldest subway line, located beneath the central Plaza de Mayo in the city’s downtown.
B. Congreso station (Line A, Buenos Aires Underground)
Congreso station (Line A, Buenos Aires Underground) is a central Buenos Aires subway stop on Line A, located in the historic downtown area and serving the national legislative district around the Argentine Congress.
C. Catedral station (Line D, Buenos Aires Underground)
Catedral station is the Line D terminus of the Buenos Aires Underground, located in the historic city center near Plaza de Mayo.
D. Nicolás Arriola station
Nicolás Arriola station is a passenger station on Line 1 of the Lima Metro system in Lima, Peru.
E. Bolívar station (Line E, Buenos Aires Underground)
Bolívar station is a Buenos Aires Underground Line E station located in the city center, serving as a key access point to the historic Plaza de Mayo area.
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_69ca8312d63c8190bf133b676b44a385`	completed	March 30, 2026, 2:05 p.m.
NER	Named-entity recognition	`batch_69cb859f787481908a11797a317c8849`	completed	March 31, 2026, 8:28 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ce035aac4c81909066c1ca1318d006`	completed	April 2, 2026, 5:49 a.m.
NEDg	Description generation	`batch_69ce07837648819080cd4026af55b246`	completed	April 2, 2026, 6:06 a.m.
NED2	Entity disambiguation (via description)	`batch_69ce083cee848190b27a7dd19a16a0dc`	completed	April 2, 2026, 6:10 a.m.

Created at: March 30, 2026, 6:06 p.m.