Triple
T8012790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grand River Transit |
E186533
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
Kitchener Transit
Kitchener Transit was the former public transit system serving the city of Kitchener, Ontario, before being amalgamated into the regional Grand River Transit network.
|
E186533
|
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: Kitchener Transit | Statement: [Grand River Transit, formedByMergerOf, Kitchener Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kitchener Transit Context triple: [Grand River Transit, formedByMergerOf, Kitchener Transit]
-
A.
Barrie Transit
Barrie Transit is the public bus transportation system serving the city of Barrie, Ontario, providing local transit services that connect with regional rail and bus networks.
-
B.
Brampton Transit
Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
-
C.
Brantford Transit
Brantford Transit is the municipal public transportation system serving the city of Brantford, Ontario, Canada.
-
D.
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.
-
E.
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.
- 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: Kitchener Transit Triple: [Grand River Transit, formedByMergerOf, Kitchener Transit]
Generated description
Kitchener Transit was the former public transit system serving the city of Kitchener, Ontario, before being amalgamated into the regional Grand River Transit network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kitchener Transit Target entity description: Kitchener Transit was the former public transit system serving the city of Kitchener, Ontario, before being amalgamated into the regional Grand River Transit network.
-
A.
Barrie Transit
Barrie Transit is the public bus transportation system serving the city of Barrie, Ontario, providing local transit services that connect with regional rail and bus networks.
-
B.
Brampton Transit
Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
-
C.
Brantford Transit
Brantford Transit is the municipal public transportation system serving the city of Brantford, Ontario, Canada.
-
D.
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.
-
E.
Grand River Transit
chosen
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.
- F. None of above.
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_69ca82abaffc8190ab8af79cdbc31ab3 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3d73bf048190ad8066a7e95c34b0 |
completed | March 31, 2026, 3:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc56acfcf88190a0e694f60f2907d2 |
completed | March 31, 2026, 11:20 p.m. |
| NEDg | Description generation | batch_69cc58a9e94081908980e2c60be38642 |
completed | March 31, 2026, 11:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc5cb791b48190bd5004b518d23f84 |
completed | March 31, 2026, 11:45 p.m. |
Created at: March 30, 2026, 5:19 p.m.