Triple
T6725083
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | GO Transit Richmond Hill line |
E153495
|
entity |
| Predicate | primaryHub |
P394
|
FINISHED |
| Object |
Union Station Rail Corridor
The Union Station Rail Corridor is a major railway corridor in downtown Toronto that serves as the central hub for numerous commuter and intercity train services.
|
E613652
|
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 Corridor | Statement: [GO Transit Richmond Hill line, primaryHub, Union Station Rail Corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Station Rail Corridor Context triple: [GO Transit Richmond Hill line, primaryHub, Union Station Rail Corridor]
-
A.
Meridian Union Station
Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
-
B.
University City Boulevard station
University City Boulevard station is a light rail stop on Charlotte's LYNX Blue Line serving the University City area near the University of North Carolina at Charlotte.
-
C.
Federal Center SW station
Federal Center SW station is a Washington Metro rapid transit station in Southwest Washington, D.C., serving government offices and museums near the National Mall.
-
D.
Waterfront Station
Waterfront Station is a major transit hub in downtown Vancouver, British Columbia, serving multiple rail and bus lines and providing access to the historic Gastown district.
-
E.
Union Depot station
Union Depot station is a major multimodal transit hub in downtown Saint Paul, Minnesota, serving light rail, intercity trains, and buses.
- 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 Corridor Triple: [GO Transit Richmond Hill line, primaryHub, Union Station Rail Corridor]
Generated description
The Union Station Rail Corridor is a major railway corridor in downtown Toronto that serves as the central hub for numerous commuter and intercity train services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Station Rail Corridor Target entity description: The Union Station Rail Corridor is a major railway corridor in downtown Toronto that serves as the central hub for numerous commuter and intercity train services.
-
A.
Meridian Union Station
Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
-
B.
University City Boulevard station
University City Boulevard station is a light rail stop on Charlotte's LYNX Blue Line serving the University City area near the University of North Carolina at Charlotte.
-
C.
Federal Center SW station
Federal Center SW station is a Washington Metro rapid transit station in Southwest Washington, D.C., serving government offices and museums near the National Mall.
-
D.
Waterfront Station
Waterfront Station is a major transit hub in downtown Vancouver, British Columbia, serving multiple rail and bus lines and providing access to the historic Gastown district.
-
E.
Union Depot station
Union Depot station is a major multimodal transit hub in downtown Saint Paul, Minnesota, serving light rail, intercity trains, and buses.
- 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_69c6880afb988190ad88011b48ecfcba |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d14fb1a8819083287ca8bb576bba |
completed | March 27, 2026, 6:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c700a34e248190ba9d73437b19a96d |
completed | March 27, 2026, 10:11 p.m. |
| NEDg | Description generation | batch_69c703ad7e0c81908da32c96806f3b07 |
completed | March 27, 2026, 10:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7042f23408190b06faafcb3251276 |
completed | March 27, 2026, 10:26 p.m. |
Created at: March 27, 2026, 2:08 p.m.