Triple
T2776848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dundas station |
E61589
|
entity |
| Predicate | hasStreetcarConnection |
P17788
|
FINISHED |
| Object |
TTC streetcar routes
TTC streetcar routes are electric tram lines operated by the Toronto Transit Commission that provide surface transit service across various corridors in Toronto.
|
E19689
|
NE FINISHED |
How this triple was built (5 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: TTC streetcar routes | Statement: [Dundas station, hasStreetcarConnection, TTC streetcar routes]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TTC streetcar routes Context triple: [Dundas station, hasStreetcarConnection, TTC streetcar routes]
-
A.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
B.
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.
-
C.
GO Transit Lakeshore East line
The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
-
D.
GO Transit Barrie line
The GO Transit Barrie line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities to the north, including the city of Barrie.
-
E.
TTC
TTC is an organizational partner of the 3rd Generation Partnership Project (3GPP), contributing to the development and standardization of mobile telecommunications technologies.
- 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: TTC streetcar routes Triple: [Dundas station, hasStreetcarConnection, TTC streetcar routes]
Generated description
TTC streetcar routes are electric tram lines operated by the Toronto Transit Commission that provide surface transit service across various corridors in Toronto.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TTC streetcar routes Target entity description: TTC streetcar routes are electric tram lines operated by the Toronto Transit Commission that provide surface transit service across various corridors in Toronto.
-
A.
Spadina streetcar line
chosen
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
B.
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.
-
C.
GO Transit Lakeshore East line
The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
-
D.
GO Transit Barrie line
The GO Transit Barrie line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities to the north, including the city of Barrie.
-
E.
TTC
TTC is an organizational partner of the 3rd Generation Partnership Project (3GPP), contributing to the development and standardization of mobile telecommunications technologies.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasStreetcarConnection Context triple: [Dundas station, hasStreetcarConnection, TTC streetcar routes]
-
A.
hasStreetcarSystem
Indicates that a place possesses or is served by an operational streetcar (tram) transit system.
-
B.
hasTramway
chosen
Indicates that a location or area is served by, contains, or is connected to a tramway system.
-
C.
hasPublicTransportConnection
Indicates that there is an available public transportation link or service connecting the related entities.
-
D.
hasUndergroundConnections
Indicates that one entity is linked to another through subterranean or hidden passageways, networks, or channels.
-
E.
hasMajorRailLinksTo
Indicates that there are significant railway connections or routes between two locations.
- F. None of above.
Provenance (6 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_69ab4b7cd13481909174bca9809ed259 |
completed | March 6, 2026, 9:47 p.m. |
| NER | Named-entity recognition | batch_69abddceb9d88190961e30d521a21552 |
completed | March 7, 2026, 8:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afc05adf908190bd16bbb6f8ea213a |
completed | March 10, 2026, 6:55 a.m. |
| NEDg | Description generation | batch_69afc0d32d5881908b80e0bfca5cd873 |
completed | March 10, 2026, 6:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afc133f8088190bd505db0d0d1d6f7 |
completed | March 10, 2026, 6:59 a.m. |
| PD | Predicate disambiguation | batch_69abdd00b65c8190a8ea444308c4fa2b |
completed | March 7, 2026, 8:08 a.m. |
Created at: March 6, 2026, 9:57 p.m.