Triple
T23421970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rideau Street |
E560679
|
entity |
| Predicate | isCloseTo |
P45695
|
FINISHED |
| Object | Confederation Line tunnel under downtown Ottawa |
—
|
NE NERFINISHED |
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: Confederation Line tunnel under downtown Ottawa | Statement: [Rideau Street, isCloseTo, Confederation Line tunnel under downtown Ottawa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Confederation Line tunnel under downtown Ottawa Context triple: [Rideau Street, isCloseTo, Confederation Line tunnel under downtown Ottawa]
-
A.
Downtown Ottawa tunnel
chosen
The Downtown Ottawa tunnel is an underground light rail transit tunnel beneath Ottawa’s downtown core that carries the city’s Confederation Line.
-
B.
Silver Line Transitway tunnel
The Silver Line Transitway tunnel is an underground bus rapid transit corridor in Boston that carries MBTA Silver Line buses between South Station and the Seaport District.
-
C.
Confederation Line (Ottawa LRT)
The Confederation Line is Ottawa’s main light rail transit line, running east–west through the city and including a downtown tunnel as part of the O-Train network.
-
D.
Brockville Railway Tunnel
The Brockville Railway Tunnel is Canada's oldest railway tunnel, a historic 19th-century stone passage beneath downtown Brockville that now serves as a popular illuminated pedestrian attraction.
-
E.
Ottawa River crossing corridor
The Ottawa River crossing corridor is a key transportation route that encompasses multiple bridges and links between Ottawa, Ontario and Gatineau, Quebec across the Ottawa River.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e2454cb1108190ab21ada5411a7146 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1a546c08c8190b57d90e88034eef3 |
completed | April 29, 2026, 6:29 a.m. |
Created at: April 17, 2026, 5:46 p.m.