Triple
T1735685
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burnaby |
E37913
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
SkyTrain Millennium Line
The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
|
E195350
|
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: SkyTrain Millennium Line | Statement: [Burnaby, servedBy, SkyTrain Millennium Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SkyTrain Millennium Line Context triple: [Burnaby, servedBy, SkyTrain Millennium Line]
-
A.
SkyTrain Expo Line
The SkyTrain Expo Line is a major rapid transit line in Metro Vancouver, British Columbia, forming part of the SkyTrain system and connecting downtown Vancouver with surrounding municipalities including Burnaby, New Westminster, and Surrey.
-
B.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
-
C.
Grand River Transit
Grand River Transit is the public transportation agency serving the Regional Municipality of Waterloo in Ontario, Canada, operating bus and rapid transit services in cities such as Kitchener, Waterloo, and Cambridge.
-
D.
Edmonton LRT
Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
-
E.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown 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: SkyTrain Millennium Line Triple: [Burnaby, servedBy, SkyTrain Millennium Line]
Generated description
The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SkyTrain Millennium Line Target entity description: The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
-
A.
SkyTrain Expo Line
The SkyTrain Expo Line is a major rapid transit line in Metro Vancouver, British Columbia, forming part of the SkyTrain system and connecting downtown Vancouver with surrounding municipalities including Burnaby, New Westminster, and Surrey.
-
B.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
-
C.
Grand River Transit
Grand River Transit is the public transportation agency serving the Regional Municipality of Waterloo in Ontario, Canada, operating bus and rapid transit services in cities such as Kitchener, Waterloo, and Cambridge.
-
D.
Edmonton LRT
Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
-
E.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown 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_69a8861cc6ac8190ac0b2e31ccf62851 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa63a369048190bae352573f5082f1 |
completed | March 6, 2026, 5:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ada0d999148190a889f761af05f431 |
completed | March 8, 2026, 4:16 p.m. |
| NEDg | Description generation | batch_69ada207c50881909729bf565c2af9dd |
completed | March 8, 2026, 4:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ada2c607fc819089d276ae9eca82a4 |
completed | March 8, 2026, 4:24 p.m. |
Created at: March 4, 2026, 7:30 p.m.