Triple
T2572419
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UTDC ICTS Mark I vehicles |
E57693
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
|
E280562
|
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: BC Rapid Transit Company | Statement: [UTDC ICTS Mark I vehicles, operatedBy, BC Rapid Transit Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BC Rapid Transit Company Context triple: [UTDC ICTS Mark I vehicles, operatedBy, BC Rapid Transit Company]
-
A.
Montebello Bus Lines
Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
-
B.
First Transit
First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
-
C.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
-
D.
Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- 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: BC Rapid Transit Company Triple: [UTDC ICTS Mark I vehicles, operatedBy, BC Rapid Transit Company]
Generated description
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BC Rapid Transit Company Target entity description: BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
A.
Montebello Bus Lines
Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
-
B.
First Transit
First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
-
C.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
-
D.
Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- 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_69ab4a51410081908501dcf8bad9adc4 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd3853c848190970e8a2da16d726d |
completed | March 7, 2026, 7:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af657028f08190b461442bfc7489e1 |
completed | March 10, 2026, 12:27 a.m. |
| NEDg | Description generation | batch_69af6de00ff48190ba9198e91276ec3d |
completed | March 10, 2026, 1:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af6f55bbb481908f75d923caeb8a1c |
completed | March 10, 2026, 1:09 a.m. |
Created at: March 6, 2026, 9:48 p.m.