Triple
T2572299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UP Express at Union Station |
E57691
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | UP Express Pearson Station |
E99224
|
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 Pearson Station | Statement: [UP Express at Union Station, connectsTo, UP Express Pearson Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UP Express Pearson Station Context triple: [UP Express at Union Station, connectsTo, UP Express Pearson Station]
-
A.
Airport Express
Airport Express is a high-speed rail service in Hong Kong that links the city center with Hong Kong International Airport.
-
B.
UP Express at Union station
UP Express at Union station is the downtown terminus of Toronto’s dedicated airport rail link, connecting Union Station with Toronto Pearson International Airport.
-
C.
Royal Terminal
Royal Terminal is an exclusive, high-security facility at King Khalid International Airport in Riyadh used for the arrival and departure of the Saudi royal family and distinguished state guests.
-
D.
National Airport station
National Airport station is a Washington Metro rapid transit stop serving Ronald Reagan Washington National Airport in Arlington, Virginia.
-
E.
UP Express
chosen
UP Express is a dedicated airport rail link in Toronto that provides fast, frequent train service between Union Station downtown and Toronto Pearson International Airport.
- 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_69ab4a51410081908501dcf8bad9adc4 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd3853c848190970e8a2da16d726d |
completed | March 7, 2026, 7:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af657028f08190b461442bfc7489e1 |
completed | March 10, 2026, 12:27 a.m. |
Created at: March 6, 2026, 9:48 p.m.