Triple
T1257432
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station, Toronto |
E12424
|
entity |
| Predicate | heritageDesignation |
P623
|
FINISHED |
| Object |
Heritage Railway Station of Canada
Heritage Railway Station of Canada is a federal designation recognizing historically and architecturally significant railway stations across Canada.
|
E143067
|
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: Heritage Railway Station of Canada | Statement: [Union Station, Toronto, heritageDesignation, Heritage Railway Station of Canada]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heritage Railway Station of Canada Context triple: [Union Station, Toronto, heritageDesignation, Heritage Railway Station of Canada]
-
A.
Canadian Transportation Museum & Heritage Village
The Canadian Transportation Museum & Heritage Village is a museum and historic village in Ontario that showcases the history of transportation alongside preserved heritage buildings and artifacts from earlier Canadian life.
-
B.
Historic RailPark and Train Museum
The Historic RailPark and Train Museum is a heritage railroad museum in Bowling Green, Kentucky, featuring restored railcars, exhibits, and educational programs about the region’s railroad history.
-
C.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
D.
Via Rail
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
E.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
- 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: Heritage Railway Station of Canada Triple: [Union Station, Toronto, heritageDesignation, Heritage Railway Station of Canada]
Generated description
Heritage Railway Station of Canada is a federal designation recognizing historically and architecturally significant railway stations across Canada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heritage Railway Station of Canada Target entity description: Heritage Railway Station of Canada is a federal designation recognizing historically and architecturally significant railway stations across Canada.
-
A.
Canadian Transportation Museum & Heritage Village
The Canadian Transportation Museum & Heritage Village is a museum and historic village in Ontario that showcases the history of transportation alongside preserved heritage buildings and artifacts from earlier Canadian life.
-
B.
Historic RailPark and Train Museum
The Historic RailPark and Train Museum is a heritage railroad museum in Bowling Green, Kentucky, featuring restored railcars, exhibits, and educational programs about the region’s railroad history.
-
C.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
D.
Via Rail
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
E.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
- 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_69a4933352e08190ac617291985e76c0 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a4bfa8cfa08190ac49c437a94a843c |
completed | March 1, 2026, 10:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac93cdba808190b7d164bb98efe3dc |
completed | March 7, 2026, 9:08 p.m. |
| NEDg | Description generation | batch_69ac94c0e6548190a2d40e3ac1a279ce |
completed | March 7, 2026, 9:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac9531c2f08190b570fcb7b035ea87 |
completed | March 7, 2026, 9:14 p.m. |
Created at: March 1, 2026, 7:50 p.m.