Triple
T20079834
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UTDC CLRV |
E499967
|
entity |
| Predicate | operatedOn |
P2572
|
FINISHED |
| Object | Toronto streetcar system |
—
|
NE NERFINISHED |
How this triple was built (2 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: Toronto streetcar system | Statement: [UTDC CLRV, operatedOn, Toronto streetcar system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto streetcar system Context triple: [UTDC CLRV, operatedOn, Toronto streetcar system]
-
A.
Toronto streetcar system
chosen
The Toronto streetcar system is one of the largest and oldest electric streetcar networks in North America, serving as a key component of Toronto’s public transit and urban identity.
-
B.
Lancaster streetcar system
The Lancaster streetcar system was a historic electric trolley network that once provided urban and interurban public transit service in and around Lancaster, Pennsylvania.
-
C.
Toronto Civic Railways
Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
-
D.
Toronto subway
The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
-
E.
Toronto public transit network
The Toronto public transit network is an integrated system of subways, streetcars, buses, and rapid transit services that provides urban and regional transportation across the city of Toronto and surrounding areas.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da627770948190997f486f9a2e370f |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6643f93208190ae2a413f88ea9aed |
completed | April 20, 2026, 5:37 p.m. |
Created at: April 11, 2026, 3:40 p.m.