Triple

T7128103

Position	Surface form	Disambiguated ID	Type / Status
Subject	Saint-Léonard	`E166115`	entity
Predicate	hasPlannedTransitProject	`P29306`	FINISHED
Object	Montreal Metro Blue Line extension The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.	`E643698`	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: Montreal Metro Blue Line extension | Statement: [Saint-Léonard, hasPlannedTransitProject, Montreal Metro Blue Line extension]

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

Target entity: Montreal Metro Blue Line extension
Context triple: [Saint-Léonard, hasPlannedTransitProject, Montreal Metro Blue Line extension]

A. Montreal Metro
The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
B. Réseau express métropolitain
The Réseau express métropolitain (REM) is a fully automated, high-frequency light metro system serving the Greater Montreal area and designed to improve regional transit connectivity.
C. Toronto Transit Commission Line 1 extension
The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
D. Réseau de transport de Longueuil
Réseau de transport de Longueuil is the public transit agency serving Longueuil and surrounding South Shore communities in the Greater Montreal area, operating bus and related transportation services.
E. Montreal rail yards
Montreal rail yards are a major railway switching and freight-handling complex in the Montreal area, serving as a key hub for train operations and cargo distribution.
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: Montreal Metro Blue Line extension
Triple: [Saint-Léonard, hasPlannedTransitProject, Montreal Metro Blue Line extension]

Generated description

The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.

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

Target entity: Montreal Metro Blue Line extension
Target entity description: The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.

A. Montreal Metro
The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
B. Réseau express métropolitain
The Réseau express métropolitain (REM) is a fully automated, high-frequency light metro system serving the Greater Montreal area and designed to improve regional transit connectivity.
C. Toronto Transit Commission Line 1 extension
The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
D. Réseau de transport de Longueuil
Réseau de transport de Longueuil is the public transit agency serving Longueuil and surrounding South Shore communities in the Greater Montreal area, operating bus and related transportation services.
E. Montreal rail yards
Montreal rail yards are a major railway switching and freight-handling complex in the Montreal area, serving as a key hub for train operations and cargo distribution.
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_69c6888350588190870cd552b427a1cd`	completed	March 27, 2026, 1:39 p.m.
NER	Named-entity recognition	`batch_69c6e66b230c819090ddbc5396868305`	completed	March 27, 2026, 8:19 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7a338b6908190bace3ee43a080c2f`	completed	March 28, 2026, 9:45 a.m.
NEDg	Description generation	`batch_69c7a446c5088190908dd7b4cdc57f18`	completed	March 28, 2026, 9:49 a.m.
NED2	Entity disambiguation (via description)	`batch_69c7a4fc9f788190b38437c6e91a5f8a`	completed	March 28, 2026, 9:53 a.m.

Created at: March 27, 2026, 2:44 p.m.