Triple
T8530723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station |
E201938
|
entity |
| Predicate | hasNotableExample |
P1259
|
FINISHED |
| Object |
Union Station (Ottawa)
Union Station (Ottawa) is a historic Beaux-Arts former railway station in downtown Ottawa that now serves as a government conference and event facility.
|
E437264
|
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 (Ottawa) | Statement: [Union Station, hasNotableExample, Union Station (Ottawa)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Station (Ottawa) Context triple: [Union Station, hasNotableExample, Union Station (Ottawa)]
-
A.
Ottawa Train Station
The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
-
B.
Union Station, Toronto
Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
-
C.
Rideau station
Rideau station is a major underground light rail transit station in downtown Ottawa, Canada, serving the O-Train Confederation Line and providing access to nearby commercial and tourist areas.
-
D.
Union station (TTC)
Union station (TTC) is a major downtown Toronto subway station and transit hub that connects multiple subway lines with regional rail and other transportation services.
-
E.
Waterloo station
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
- 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 (Ottawa) Triple: [Union Station, hasNotableExample, Union Station (Ottawa)]
Generated description
Union Station (Ottawa) is a historic Beaux-Arts former railway station in downtown Ottawa that now serves as a government conference and event facility.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Station (Ottawa) Target entity description: Union Station (Ottawa) is a historic Beaux-Arts former railway station in downtown Ottawa that now serves as a government conference and event facility.
-
A.
Ottawa Train Station
chosen
The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
-
B.
Union Station, Toronto
Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
-
C.
Rideau station
Rideau station is a major underground light rail transit station in downtown Ottawa, Canada, serving the O-Train Confederation Line and providing access to nearby commercial and tourist areas.
-
D.
Union station (TTC)
Union station (TTC) is a major downtown Toronto subway station and transit hub that connects multiple subway lines with regional rail and other transportation services.
-
E.
Waterloo station
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
- F. None of above.
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_69ca83228b24819085d22e7dc99f5d94 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe67546248190b359c845c0161ad3 |
completed | March 31, 2026, 3:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce890333d08190b510d970e6d6fee5 |
completed | April 2, 2026, 3:19 p.m. |
| NEDg | Description generation | batch_69ce8a9ba0448190ae7637f24b8a8032 |
completed | April 2, 2026, 3:26 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce8bda33548190a8f6985a48d65a39 |
completed | April 2, 2026, 3:31 p.m. |
Created at: March 30, 2026, 6:17 p.m.