Triple
T4177144
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calgary CTrain |
E86504
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Calgary Transit
Calgary Transit is the public transportation agency responsible for operating bus and light rail services in Calgary, Alberta, Canada.
|
E416842
|
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: Calgary Transit | Statement: [Calgary CTrain, operator, Calgary Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calgary Transit Context triple: [Calgary CTrain, operator, Calgary Transit]
-
A.
Edmonton Transit Service
Edmonton Transit Service is the public transportation agency responsible for operating buses and light rail transit in Edmonton, Alberta, Canada.
-
B.
Saskatoon Transit
Saskatoon Transit is the public transportation agency that operates the city bus network in Saskatoon, Saskatchewan, Canada.
-
C.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
-
D.
Brampton Transit
Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
-
E.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
- 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: Calgary Transit Triple: [Calgary CTrain, operator, Calgary Transit]
Generated description
Calgary Transit is the public transportation agency responsible for operating bus and light rail services in Calgary, Alberta, Canada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Calgary Transit Target entity description: Calgary Transit is the public transportation agency responsible for operating bus and light rail services in Calgary, Alberta, Canada.
-
A.
Edmonton Transit Service
Edmonton Transit Service is the public transportation agency responsible for operating buses and light rail transit in Edmonton, Alberta, Canada.
-
B.
Saskatoon Transit
Saskatoon Transit is the public transportation agency that operates the city bus network in Saskatoon, Saskatchewan, Canada.
-
C.
Calgary CTrain
Calgary CTrain is the light rail transit system serving Calgary, Alberta, known for its extensive network and high ridership within the city's public transportation system.
-
D.
Brampton Transit
Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
-
E.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
- 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_69aed93de98c8190ad838ce507b77c8a |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af02ec20fc8190b6f30576337e0ddc |
completed | March 9, 2026, 5:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b57f57509881909d0353a48d868f5d |
completed | March 14, 2026, 3:31 p.m. |
| NEDg | Description generation | batch_69b57fbb037481908b2891e3af32e6e5 |
completed | March 14, 2026, 3:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b58016777c8190a3e73ab96907e3a3 |
completed | March 14, 2026, 3:34 p.m. |
Created at: March 9, 2026, 3:45 p.m.