Triple
T1955768
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Don River |
E42263
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
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.
|
E218442
|
NE FINISHED |
How this triple was built (4 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: Bloor Viaduct | Statement: [Don River, crossedBy, Bloor Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bloor Viaduct Context triple: [Don River, crossedBy, Bloor Viaduct]
-
A.
Castlefield Viaduct
Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
-
B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
C.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
-
D.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
E.
Howrah Bridge
Howrah Bridge is an iconic cantilever bridge spanning the Hooghly River in Kolkata, India, renowned as a major transportation lifeline and architectural symbol of the city.
- 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: Bloor Viaduct Triple: [Don River, crossedBy, Bloor Viaduct]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bloor Viaduct Target entity description: 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.
-
A.
Castlefield Viaduct
Castlefield Viaduct is a historic elevated railway viaduct in Manchester, England, now notable for its transformation into an urban sky park and public green space.
-
B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
C.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
-
D.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
E.
Howrah Bridge
Howrah Bridge is an iconic cantilever bridge spanning the Hooghly River in Kolkata, India, renowned as a major transportation lifeline and architectural symbol of the city.
- F. None of above. chosen
Provenance (5 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_69adfbca5a7081908f3fa8eaa8f5aa3d |
completed | March 8, 2026, 10:44 p.m. |
| NEDg | Description generation | batch_69adfc6bd8e08190a065a89ab3412126 |
completed | March 8, 2026, 10:47 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adfcee414c8190b1a0574f6bd55602 |
completed | March 8, 2026, 10:49 p.m. |
Created at: March 4, 2026, 7:36 p.m.