Triple
T1124850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meridian Centre |
E24695
|
entity |
| Predicate | publicTransitAccess |
P1288
|
FINISHED |
| Object |
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.
|
E128413
|
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: St. Catharines Transit Commission | Statement: [Meridian Centre, publicTransitAccess, St. Catharines Transit Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Catharines Transit Commission Context triple: [Meridian Centre, publicTransitAccess, St. Catharines Transit Commission]
-
A.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
B.
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.
-
C.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
-
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: St. Catharines Transit Commission Triple: [Meridian Centre, publicTransitAccess, St. Catharines Transit Commission]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: St. Catharines Transit Commission Target entity description: 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.
-
A.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
B.
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.
-
C.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
-
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_69a4940712c88190aa244f3fc6070a65 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bbdaf2d4819086f480f69da127f9 |
completed | March 1, 2026, 10:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac539fc3708190b0b3dec5d5c73a71 |
completed | March 7, 2026, 4:34 p.m. |
| NEDg | Description generation | batch_69ac54b01b7c8190ab7ad4441757fa2f |
completed | March 7, 2026, 4:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac556dfc8c8190b70a7d6310aa87d7 |
completed | March 7, 2026, 4:42 p.m. |
Created at: March 1, 2026, 7:44 p.m.