Triple
T8394142
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SkyTrain |
E198011
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
ProTrans BC
ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
|
E730972
|
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: ProTrans BC | Statement: [SkyTrain, operator, ProTrans BC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ProTrans BC Context triple: [SkyTrain, operator, ProTrans BC]
-
A.
VTrans
VTrans is the state government agency responsible for planning, building, and maintaining Vermont’s transportation infrastructure, including highways, bridges, public transit, rail, and aviation.
-
B.
TRANSAT
TRANSAT is the radio callsign used by Air Transat, a Canadian leisure airline operating charter and scheduled flights primarily between Canada and vacation destinations.
-
C.
Para Transpo
Para Transpo is Ottawa’s specialized door-to-door public transit service providing accessible transportation for people with disabilities who cannot use conventional buses.
-
D.
PNBC
PNBC is a historically Black Baptist Christian denomination in the United States known for its strong involvement in the civil rights movement and progressive social activism.
-
E.
British Columbia Ministry of Transportation and Infrastructure
The British Columbia Ministry of Transportation and Infrastructure is the provincial government department responsible for planning, building, operating, and maintaining British Columbia’s transportation networks and related infrastructure.
- 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: ProTrans BC Triple: [SkyTrain, operator, ProTrans BC]
Generated description
ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ProTrans BC Target entity description: ProTrans BC is a private company responsible for operating and maintaining Vancouver’s SkyTrain rapid transit system under contract to the regional transit authority.
-
A.
VTrans
VTrans is the state government agency responsible for planning, building, and maintaining Vermont’s transportation infrastructure, including highways, bridges, public transit, rail, and aviation.
-
B.
TRANSAT
TRANSAT is the radio callsign used by Air Transat, a Canadian leisure airline operating charter and scheduled flights primarily between Canada and vacation destinations.
-
C.
Para Transpo
Para Transpo is Ottawa’s specialized door-to-door public transit service providing accessible transportation for people with disabilities who cannot use conventional buses.
-
D.
PNBC
PNBC is a historically Black Baptist Christian denomination in the United States known for its strong involvement in the civil rights movement and progressive social activism.
-
E.
British Columbia Ministry of Transportation and Infrastructure
The British Columbia Ministry of Transportation and Infrastructure is the provincial government department responsible for planning, building, operating, and maintaining British Columbia’s transportation networks and related infrastructure.
- 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_69ca82f816bc8190ab321c07d72208c1 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb8185ef60819085cfa7491d35834a |
completed | March 31, 2026, 8:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde856a6548190b46e0d8e5cda381b |
completed | April 2, 2026, 3:53 a.m. |
| NEDg | Description generation | batch_69cdebfc63e8819087f5c1d588b58e21 |
completed | April 2, 2026, 4:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cded77618c81909e8786ccd2f3e4b6 |
completed | April 2, 2026, 4:15 a.m. |
Created at: March 30, 2026, 6:03 p.m.