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.