Triple
T8012791
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grand River Transit |
E186533
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object |
Cambridge Transit
Cambridge Transit was a former public transportation agency serving the city of Cambridge, Ontario, before being amalgamated into the regional Grand River Transit system.
|
E707462
|
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: Cambridge Transit | Statement: [Grand River Transit, formedByMergerOf, Cambridge Transit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cambridge Transit Context triple: [Grand River Transit, formedByMergerOf, Cambridge Transit]
-
A.
Cambridge bus network
The Cambridge bus network is the system of public bus routes and services that connect neighborhoods in Cambridge, Massachusetts with each other and with nearby transit hubs in the Greater Boston area.
-
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.
Burlington Transit
Burlington Transit is the public bus transportation system serving the city of Burlington, Ontario, Canada.
-
D.
Suffolk County Transit
Suffolk County Transit is a public bus system serving communities throughout Suffolk County on Long Island, New York.
-
E.
MBTA Silver Line
The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
- 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: Cambridge Transit Triple: [Grand River Transit, formedByMergerOf, Cambridge Transit]
Generated description
Cambridge Transit was a former public transportation agency serving the city of Cambridge, Ontario, before being amalgamated into the regional Grand River Transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cambridge Transit Target entity description: Cambridge Transit was a former public transportation agency serving the city of Cambridge, Ontario, before being amalgamated into the regional Grand River Transit system.
-
A.
Cambridge bus network
The Cambridge bus network is the system of public bus routes and services that connect neighborhoods in Cambridge, Massachusetts with each other and with nearby transit hubs in the Greater Boston area.
-
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.
Burlington Transit
Burlington Transit is the public bus transportation system serving the city of Burlington, Ontario, Canada.
-
D.
Suffolk County Transit
Suffolk County Transit is a public bus system serving communities throughout Suffolk County on Long Island, New York.
-
E.
MBTA Silver Line
The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
- 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_69ca82abaffc8190ab8af79cdbc31ab3 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3d73bf048190ad8066a7e95c34b0 |
completed | March 31, 2026, 3:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc56acfcf88190a0e694f60f2907d2 |
completed | March 31, 2026, 11:20 p.m. |
| NEDg | Description generation | batch_69cc58a9e94081908980e2c60be38642 |
completed | March 31, 2026, 11:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc5cb791b48190bd5004b518d23f84 |
completed | March 31, 2026, 11:45 p.m. |
Created at: March 30, 2026, 5:19 p.m.