Triple
T3674901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CYYZ |
E77966
|
entity |
| Predicate | hasPublicTransitConnection |
P3791
|
FINISHED |
| Object |
UP Express rail link
The UP Express rail link is a dedicated airport rail service in Toronto that connects Toronto Pearson International Airport with the city's downtown Union Station.
|
E378500
|
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: UP Express rail link | Statement: [CYYZ, hasPublicTransitConnection, UP Express rail link]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UP Express rail link Context triple: [CYYZ, hasPublicTransitConnection, UP Express rail link]
-
A.
Airport Rail Link
The Airport Rail Link is a rapid transit rail line in Bangkok that connects the city center with Suvarnabhumi Airport, providing a fast alternative to road travel.
-
B.
AirRail Link
AirRail Link is an automated people mover system that transports passengers between Birmingham Airport and the nearby Birmingham International railway station.
-
C.
SRT high-speed rail
SRT high-speed rail is a South Korean high-speed train service operated by SR Corporation that runs on the Gyeongbu and Honam high-speed lines as an alternative to KTX.
-
D.
Rail Express Systems
Rail Express Systems was a British Rail sector responsible for operating mail and parcels trains across the UK rail network in the 1990s.
-
E.
Capital Airport Express
Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
- 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: UP Express rail link Triple: [CYYZ, hasPublicTransitConnection, UP Express rail link]
Generated description
The UP Express rail link is a dedicated airport rail service in Toronto that connects Toronto Pearson International Airport with the city's downtown Union Station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UP Express rail link Target entity description: The UP Express rail link is a dedicated airport rail service in Toronto that connects Toronto Pearson International Airport with the city's downtown Union Station.
-
A.
Airport Rail Link
The Airport Rail Link is a rapid transit rail line in Bangkok that connects the city center with Suvarnabhumi Airport, providing a fast alternative to road travel.
-
B.
AirRail Link
AirRail Link is an automated people mover system that transports passengers between Birmingham Airport and the nearby Birmingham International railway station.
-
C.
SRT high-speed rail
SRT high-speed rail is a South Korean high-speed train service operated by SR Corporation that runs on the Gyeongbu and Honam high-speed lines as an alternative to KTX.
-
D.
Rail Express Systems
Rail Express Systems was a British Rail sector responsible for operating mail and parcels trains across the UK rail network in the 1990s.
-
E.
Capital Airport Express
Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
- F. None of above. chosen
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_69ad85e083008190b2e1b7085fe500bd |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc4619cf08190a09a4a820c59cbc4 |
completed | March 8, 2026, 6:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b48856b7d481909d9cc32586d61d44 |
completed | March 13, 2026, 9:57 p.m. |
| NEDg | Description generation | batch_69b489b0de348190a339affb0d59e4b3 |
completed | March 13, 2026, 10:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4bc976fc881909a067b73002c5305 |
completed | March 14, 2026, 1:40 a.m. |
Created at: March 8, 2026, 3:25 p.m.