Triple
T12409740
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Scarborough Rapid Transit |
E296483
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object | McCowan Yard |
E280565
|
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: McCowan Yard | Statement: [Scarborough Rapid Transit, depot, McCowan Yard]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: McCowan Yard Context triple: [Scarborough Rapid Transit, depot, McCowan Yard]
-
A.
McCowan Yard
chosen
McCowan Yard is a former maintenance and storage facility in Scarborough, Toronto, that served the now-closed Scarborough RT rapid transit line.
-
B.
Bailey Yard
Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
-
C.
54th Yard
54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
-
D.
Odell Park
Odell Park is a large, historic urban park in Fredericton, New Brunswick, known for its old-growth forest, extensive trail network, and year-round recreational activities.
-
E.
Odell Park
Odell Park is a public recreational park located in the city of Franklin in central New Hampshire.
- 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_69d6ad9f464c81909db36d7e96e34b9e |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d4b86c88190afba0de15b34eee9 |
completed | April 10, 2026, 7:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6348af5a8819083a075d145b15fd4 |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:55 p.m.