Triple
T1459281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Presto card |
E31472
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object |
Durham Region Transit
Durham Region Transit is the public transportation agency serving Ontario's Regional Municipality of Durham with bus services connecting its cities and towns to each other and to the Greater Toronto Area.
|
E177381
|
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: Durham Region Transit | Statement: [Presto card, usedOn, Durham Region Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Durham Region Transit Context triple: [Presto card, usedOn, Durham Region Transit]
-
A.
York Region Transit
York Region Transit is the public transportation system serving communities across York Region in Ontario, Canada, operating local and rapid bus services that connect towns and cities north of Toronto.
-
B.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
C.
St. Catharines Transit Commission
St. Catharines Transit Commission is the public transit agency serving the city of St. Catharines, Ontario, operating local bus services and related transportation for residents and visitors.
-
D.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
E.
GO Transit
GO Transit is a regional public transit system in Southern Ontario, Canada, providing commuter rail and bus services connecting Toronto with surrounding municipalities.
- 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: Durham Region Transit Triple: [Presto card, usedOn, Durham Region Transit]
Generated description
Durham Region Transit is the public transportation agency serving Ontario's Regional Municipality of Durham with bus services connecting its cities and towns to each other and to the Greater Toronto Area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Durham Region Transit Target entity description: Durham Region Transit is the public transportation agency serving Ontario's Regional Municipality of Durham with bus services connecting its cities and towns to each other and to the Greater Toronto Area.
-
A.
York Region Transit
York Region Transit is the public transportation system serving communities across York Region in Ontario, Canada, operating local and rapid bus services that connect towns and cities north of Toronto.
-
B.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
C.
St. Catharines Transit Commission
St. Catharines Transit Commission is the public transit agency serving the city of St. Catharines, Ontario, operating local bus services and related transportation for residents and visitors.
-
D.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
E.
GO Transit
GO Transit is a regional public transit system in Southern Ontario, Canada, providing commuter rail and bus services connecting Toronto with surrounding municipalities.
- 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_69a49917dfc081909acdbdf5d684f1ef |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c59c1c288190be08064f2d351b2b |
completed | March 1, 2026, 11:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad36fd91488190b0431bc1c83c64e3 |
completed | March 8, 2026, 8:44 a.m. |
| NEDg | Description generation | batch_69ad388d700c81909a5f1d82a9279e2b |
completed | March 8, 2026, 8:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad39464a748190af126365ae0ebada |
completed | March 8, 2026, 8:54 a.m. |
Created at: March 1, 2026, 8 p.m.