Triple

T8302834

Position	Surface form	Disambiguated ID	Type / Status
Subject	SkyTrain Expo Line	`E194386`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	Millennium Line at Production Way–University station The Millennium Line at Production Way–University station is a branch of Metro Vancouver’s SkyTrain rapid transit system that serves as a key transfer point for passengers traveling between Burnaby, New Westminster, and other parts of the region.	`E723795`	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: Millennium Line at Production Way–University station | Statement: [SkyTrain Expo Line, connectsTo, Millennium Line at Production Way–University station]

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

Target entity: Millennium Line at Production Way–University station
Context triple: [SkyTrain Expo Line, connectsTo, Millennium Line at Production Way–University station]

A. METRO Blue Line light rail station
The METRO Blue Line light rail station at Terminal 1–Lindbergh is a transit stop on Minneapolis–Saint Paul’s METRO Blue Line that provides direct rail access between the airport terminal and the broader Twin Cities metropolitan area.
B. Valley Line
The Valley Line is a light rail transit route in Edmonton, Alberta, designed as a low-floor, urban-style line connecting southeastern and western parts of the city.
C. Erin Mills Transitway Station
Erin Mills Transitway Station is a major bus rapid transit hub in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
D. Millikan Way MAX Station
Millikan Way MAX Station is a light rail stop on TriMet’s MAX Blue Line serving the Millikan Way area in Beaverton, Oregon.
E. Metro E Line Expo/Western station
Metro E Line Expo/Western station is an at-grade light rail station on Los Angeles Metro's E Line serving the Jefferson Park area and the surrounding Exposition Boulevard corridor.
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: Millennium Line at Production Way–University station
Triple: [SkyTrain Expo Line, connectsTo, Millennium Line at Production Way–University station]

Generated description

The Millennium Line at Production Way–University station is a branch of Metro Vancouver’s SkyTrain rapid transit system that serves as a key transfer point for passengers traveling between Burnaby, New Westminster, and other parts of the region.

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

Target entity: Millennium Line at Production Way–University station
Target entity description: The Millennium Line at Production Way–University station is a branch of Metro Vancouver’s SkyTrain rapid transit system that serves as a key transfer point for passengers traveling between Burnaby, New Westminster, and other parts of the region.

A. METRO Blue Line light rail station
The METRO Blue Line light rail station at Terminal 1–Lindbergh is a transit stop on Minneapolis–Saint Paul’s METRO Blue Line that provides direct rail access between the airport terminal and the broader Twin Cities metropolitan area.
B. Valley Line
The Valley Line is a light rail transit route in Edmonton, Alberta, designed as a low-floor, urban-style line connecting southeastern and western parts of the city.
C. Erin Mills Transitway Station
Erin Mills Transitway Station is a major bus rapid transit hub in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
D. Millikan Way MAX Station
Millikan Way MAX Station is a light rail stop on TriMet’s MAX Blue Line serving the Millikan Way area in Beaverton, Oregon.
E. Metro E Line Expo/Western station
Metro E Line Expo/Western station is an at-grade light rail station on Los Angeles Metro's E Line serving the Jefferson Park area and the surrounding Exposition Boulevard corridor.
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_69ca82e613e88190bf8139669bbd0d53`	completed	March 30, 2026, 2:04 p.m.
NER	Named-entity recognition	`batch_69cb7e8a45348190a7895b33abcb64c9`	completed	March 31, 2026, 7:58 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cd68c2a14c81908388ecdd22315390`	completed	April 1, 2026, 6:49 p.m.
NEDg	Description generation	`batch_69cd6d58032c8190ba99f78670924ae5`	completed	April 1, 2026, 7:09 p.m.
NED2	Entity disambiguation (via description)	`batch_69cd7e5be1108190afbc65b69a7700f2`	completed	April 1, 2026, 8:21 p.m.

Created at: March 30, 2026, 5:53 p.m.