Triple
T1419734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toronto Railway Company |
E31996
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object |
Toronto Street Railway
The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
|
E31996
|
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: Toronto Street Railway | Statement: [Toronto Railway Company, precededBy, Toronto Street Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto Street Railway Context triple: [Toronto Railway Company, precededBy, Toronto Street Railway]
-
A.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
B.
King Street Trolley
King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
-
C.
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.
-
D.
Queens Quay streetcar line
The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
-
E.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
- 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: Toronto Street Railway Triple: [Toronto Railway Company, precededBy, Toronto Street Railway]
Generated description
The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Toronto Street Railway Target entity description: The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
-
A.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
B.
King Street Trolley
King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
-
C.
Toronto Railway Company
chosen
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.
-
D.
Queens Quay streetcar line
The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
-
E.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
- F. None of above.
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_69a49919a994819086528951bc224775 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c40764ec8190b85de6befcb20dda |
completed | March 1, 2026, 10:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ace5857d6c8190902eecd7bb12cbaf |
completed | March 8, 2026, 2:57 a.m. |
| NEDg | Description generation | batch_69ace78168f481908133d74a52a7f6c9 |
completed | March 8, 2026, 3:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69aceb4ac6bc8190a3d0b44f922d5302 |
completed | March 8, 2026, 3:21 a.m. |
Created at: March 1, 2026, 7:59 p.m.