Triple
T18677238
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | High Level Bridge (Edmonton) |
E456631
|
entity |
| Predicate | hasHeritageOperator |
P56395
|
FINISHED |
| Object | Edmonton Radial Railway Society |
—
|
NE NERFINISHED |
How this triple was built (3 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: Edmonton Radial Railway Society | Statement: [High Level Bridge (Edmonton), hasHeritageOperator, Edmonton Radial Railway Society]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Edmonton Radial Railway Society Context triple: [High Level Bridge (Edmonton), hasHeritageOperator, Edmonton Radial Railway Society]
-
A.
Toronto Railway Company
The Toronto Railway Company was a private streetcar operator that ran Toronto’s electric tram system in the late 19th and early 20th centuries before public transit was municipalized.
-
B.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
C.
Edmonton LRT
Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
-
D.
Edmonton Metropolitan Region Board
The Edmonton Metropolitan Region Board is a regional planning and governance body that coordinates land use, growth, and infrastructure development across municipalities in and around Edmonton, Alberta.
-
E.
MK Rail
MK Rail was an American locomotive manufacturer and remanufacturer known for rebuilding and upgrading diesel-electric locomotives for railroads.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Edmonton Radial Railway Society Target entity description: The Edmonton Radial Railway Society is a volunteer-run heritage organization in Edmonton, Alberta, dedicated to preserving and operating historic streetcars and educating the public about the city’s electric transit history.
-
A.
Toronto Railway Company
The Toronto Railway Company was a private streetcar operator that ran Toronto’s electric tram system in the late 19th and early 20th centuries before public transit was municipalized.
-
B.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
C.
Edmonton LRT
Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
-
D.
Edmonton Metropolitan Region Board
The Edmonton Metropolitan Region Board is a regional planning and governance body that coordinates land use, growth, and infrastructure development across municipalities in and around Edmonton, Alberta.
-
E.
MK Rail
MK Rail was an American locomotive manufacturer and remanufacturer known for rebuilding and upgrading diesel-electric locomotives for railroads.
- F. None of above. chosen
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_69d8d38f72b4819090a935175d9ca8af |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e556b66680819082a268f1bf857db5 |
completed | April 19, 2026, 10:27 p.m. |
Created at: April 10, 2026, 11:48 a.m.