Triple
T2572384
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UTDC ICTS Mark I vehicles |
E57693
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
Urban Transportation Development Corporation
Urban Transportation Development Corporation was a Canadian government-owned company that specialized in designing and manufacturing advanced urban transit systems, including automated light rail vehicles.
|
E280560
|
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: Urban Transportation Development Corporation | Statement: [UTDC ICTS Mark I vehicles, manufacturer, Urban Transportation Development Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Urban Transportation Development Corporation Context triple: [UTDC ICTS Mark I vehicles, manufacturer, Urban Transportation Development Corporation]
-
A.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
B.
Light Rail Transit Authority
The Light Rail Transit Authority is a Philippine government agency responsible for developing, operating, and maintaining key urban light rail transit lines in Metro Manila.
-
C.
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.
-
D.
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.
-
E.
Capital Development Authority
The Capital Development Authority is a public sector organization responsible for urban planning, infrastructure development, and municipal services in Islamabad, Pakistan.
- 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: Urban Transportation Development Corporation Triple: [UTDC ICTS Mark I vehicles, manufacturer, Urban Transportation Development Corporation]
Generated description
Urban Transportation Development Corporation was a Canadian government-owned company that specialized in designing and manufacturing advanced urban transit systems, including automated light rail vehicles.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Urban Transportation Development Corporation Target entity description: Urban Transportation Development Corporation was a Canadian government-owned company that specialized in designing and manufacturing advanced urban transit systems, including automated light rail vehicles.
-
A.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
B.
Light Rail Transit Authority
The Light Rail Transit Authority is a Philippine government agency responsible for developing, operating, and maintaining key urban light rail transit lines in Metro Manila.
-
C.
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.
-
D.
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.
-
E.
Capital Development Authority
The Capital Development Authority is a public sector organization responsible for urban planning, infrastructure development, and municipal services in Islamabad, Pakistan.
- 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.