Triple
T20079827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UTDC CLRV |
E499967
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Urban Transportation Development Corporation |
—
|
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: Urban Transportation Development Corporation | Statement: [UTDC CLRV, manufacturer, Urban Transportation Development Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Urban Transportation Development Corporation Context triple: [UTDC CLRV, manufacturer, Urban Transportation Development Corporation]
-
A.
Urban Transportation Development Corporation
chosen
Urban Transportation Development Corporation was a Canadian government-owned company that specialized in designing and manufacturing advanced urban transit systems, including automated light rail vehicles.
-
B.
Triangle Transit Authority
Triangle Transit Authority was the former name of GoTriangle, the regional public transit agency serving North Carolina’s Research Triangle area.
-
C.
Metropolitan Transit Corporation
The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
-
D.
Gary Public Transportation Corporation
Gary Public Transportation Corporation is the primary public transit agency for Gary, Indiana, operating local bus services and related transportation within the city and surrounding areas.
-
E.
Transportation Investment Corporation
Transportation Investment Corporation is a British Columbia Crown corporation responsible for overseeing and managing major transportation infrastructure projects and tolling operations in the province.
- 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.