Triple
T1955790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Don River |
E42263
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object | Queen Street Viaduct |
E244654
|
NE FINISHED |
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: Queen Street Viaduct | Statement: [Don River, hasBridge, Queen Street Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Queen Street Viaduct Context triple: [Don River, hasBridge, Queen Street Viaduct]
-
A.
Prince Edward Viaduct
chosen
The Prince Edward Viaduct is a major multi-span bridge in Toronto, Canada, carrying both road traffic and the city’s subway across the Don Valley and connecting the city’s east and west sides.
-
B.
Pattullo Bridge
The Pattullo Bridge is a major road bridge in Metro Vancouver, British Columbia, connecting the cities of New Westminster and Surrey across the Fraser River.
-
C.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
D.
Bloor Viaduct
The Bloor Viaduct is a major multi-span bridge in Toronto, Canada, carrying Bloor Street and the subway over the Don Valley and connecting the city's east and west sides.
-
E.
Humber Bay Arch Bridge
The Humber Bay Arch Bridge is a distinctive pedestrian and cyclist bridge in Toronto, Canada, known for its elegant twin-arch design spanning the mouth of the Humber River along the waterfront.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a8870eea088190a38781990812a9bc |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb37b4a38819099f98be92be91ade |
completed | March 7, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae7ee4b678819097da9363e032a670 |
completed | March 9, 2026, 8:03 a.m. |
Created at: March 4, 2026, 7:36 p.m.