Triple
T9832704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union station (TTC) |
E239025
|
entity |
| Predicate | adjacentTo |
P224
|
FINISHED |
| Object |
Union Station (rail)
Union Station (rail) is Toronto’s primary intercity and commuter railway hub, serving as a central gateway for regional and national train services.
|
E824387
|
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: Union Station (rail) | Statement: [Union station (TTC), adjacentTo, Union Station (rail)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Station (rail) Context triple: [Union station (TTC), adjacentTo, Union Station (rail)]
-
A.
Union Depot station
Union Depot station is a major multimodal transit hub in downtown Saint Paul, Minnesota, serving light rail, intercity trains, and buses.
-
B.
Meridian Union Station
Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
-
C.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
-
D.
Union Station
Union Station was a historic railroad terminal in downtown Houston, Texas, whose former site and preserved facade now form part of the Minute Maid Park baseball stadium complex.
-
E.
Union Station
Union Station is a renowned American bluegrass and country band best known for its long-running collaboration with Alison Krauss and its virtuosic acoustic instrumentation.
- 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: Union Station (rail) Triple: [Union station (TTC), adjacentTo, Union Station (rail)]
Generated description
Union Station (rail) is Toronto’s primary intercity and commuter railway hub, serving as a central gateway for regional and national train services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Station (rail) Target entity description: Union Station (rail) is Toronto’s primary intercity and commuter railway hub, serving as a central gateway for regional and national train services.
-
A.
Union Depot station
Union Depot station is a major multimodal transit hub in downtown Saint Paul, Minnesota, serving light rail, intercity trains, and buses.
-
B.
Meridian Union Station
Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
-
C.
Union Station
Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
-
D.
Union Station
Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
-
E.
Union Station
Union Station is a historic train station and transportation hub in Worcester, Massachusetts, known for its grand Beaux-Arts architecture and role as a key gateway to the city.
- 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_69ca84e314108190978324a4bdb959f8 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb336bfc4819084f0d4d6d1867484 |
completed | April 2, 2026, 12:07 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1d5c448388190818e4cc5e3a42dfc |
completed | April 5, 2026, 3:23 a.m. |
| NEDg | Description generation | batch_69d1d6affc3c8190839a4db8f4271309 |
completed | April 5, 2026, 3:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1d772de00819089eed8be9f5ce3ce |
completed | April 5, 2026, 3:30 a.m. |
Created at: March 30, 2026, 8:32 p.m.