Triple
T4385185
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PATH (Toronto) |
E99223
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | UP Express at Union Station |
E57691
|
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: UP Express at Union Station | Statement: [PATH (Toronto), connectsTo, UP Express at Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UP Express at Union Station Context triple: [PATH (Toronto), connectsTo, UP Express at Union Station]
-
A.
UP Express at Union station
chosen
UP Express at Union station is the downtown terminus of Toronto’s dedicated airport rail link, connecting Union Station with Toronto Pearson International Airport.
-
B.
PHX Sky Train
PHX Sky Train is an automated people mover system that transports passengers between terminals, parking areas, and the light rail at Phoenix Sky Harbor International Airport.
-
C.
Union station
Union Station is Toronto’s primary intercity and commuter rail hub, serving as a central transit gateway in the city’s downtown core.
-
D.
Metro Express
Metro Express is a faster, limited-stop service operated as part of the broader Metro Bus public transportation system.
-
E.
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
- 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_69b3454f739481909ff6c28331f0c0b9 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b35264e44c81908dd0e0a81f1353bb |
completed | March 12, 2026, 11:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5e526e35c8190838c59e402da3c89 |
completed | March 14, 2026, 10:45 p.m. |
Created at: March 12, 2026, 11:19 p.m.