Triple
T9993723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | YRT |
E196948
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
Markham Transit
Markham Transit was the former municipal public transit system serving the town of Markham, Ontario, before being amalgamated into York Region Transit (YRT).
|
E833661
|
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: Markham Transit | Statement: [YRT, formedByMergerOf, Markham Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Markham Transit Context triple: [YRT, formedByMergerOf, Markham Transit]
-
A.
Grand River Transit
Grand River Transit is the public transportation agency serving the Regional Municipality of Waterloo in Ontario, Canada, operating bus and rapid transit services in cities such as Kitchener, Waterloo, and Cambridge.
-
B.
Milton Transit
Milton Transit is the public transportation system serving the town of Milton, Ontario, operating local bus services integrated with the regional transit network.
-
C.
Arrowhead Transit
Arrowhead Transit is a regional public transportation service operating in and around Hibbing, Minnesota, providing bus and demand-response rides for local residents.
-
D.
Metro Busway
Metro Busway is Los Angeles County’s network of high-capacity, bus rapid transit corridors designed to provide faster, more reliable service than regular local bus lines.
-
E.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
- 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: Markham Transit Triple: [YRT, formedByMergerOf, Markham Transit]
Generated description
Markham Transit was the former municipal public transit system serving the town of Markham, Ontario, before being amalgamated into York Region Transit (YRT).
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Markham Transit Target entity description: Markham Transit was the former municipal public transit system serving the town of Markham, Ontario, before being amalgamated into York Region Transit (YRT).
-
A.
Grand River Transit
Grand River Transit is the public transportation agency serving the Regional Municipality of Waterloo in Ontario, Canada, operating bus and rapid transit services in cities such as Kitchener, Waterloo, and Cambridge.
-
B.
Milton Transit
Milton Transit is the public transportation system serving the town of Milton, Ontario, operating local bus services integrated with the regional transit network.
-
C.
Arrowhead Transit
Arrowhead Transit is a regional public transportation service operating in and around Hibbing, Minnesota, providing bus and demand-response rides for local residents.
-
D.
Metro Busway
Metro Busway is Los Angeles County’s network of high-capacity, bus rapid transit corridors designed to provide faster, more reliable service than regular local bus lines.
-
E.
Trillium Line
The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
- 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_69ca82f1678c819093d06320a05f16a4 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdcb982d5c81909779c6e9d780b399 |
completed | April 2, 2026, 1:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d2582ac03481908e76c10218f419d5 |
completed | April 5, 2026, 12:40 p.m. |
| NEDg | Description generation | batch_69d259701e488190b288c9f523a1ec87 |
completed | April 5, 2026, 12:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d259da25e081909ac184f4fa80c57e |
completed | April 5, 2026, 12:47 p.m. |
Created at: March 30, 2026, 8:50 p.m.