Triple

T12076456
Position Surface form Disambiguated ID Type / Status
Subject Bombardier BiLevel Coach E287560 entity
Predicate laterManufacturer P25149 FINISHED
Object UTDC
UTDC (Urban Transportation Development Corporation) was a Canadian government-owned transit equipment manufacturer known for producing rail vehicles and other urban transportation systems before its assets were acquired by Bombardier.
 E964554 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: UTDC | Statement: [Bombardier BiLevel Coach, laterManufacturer, UTDC]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: UTDC
Context triple: [Bombardier BiLevel Coach, laterManufacturer, UTDC]
  • A. UTDC CLRV
    The UTDC CLRV is a type of Canadian-built streetcar that operated on the Toronto Transit Commission’s network from the late 1970s, becoming one of the city’s most recognizable transit vehicles.
  • B. UTDC ALRV
    The UTDC ALRV is a Canadian-built articulated light rail vehicle model designed for high-capacity streetcar service, notably used by the Toronto Transit Commission.
  • C. UTCR
    UTCR is the abbreviation for the Oregon Uniform Trial Court Rules, a standardized set of procedural rules governing practice in Oregon’s state trial courts.
  • D. TUDN
    TUDN is a Spanish-language sports television network and media brand focused on soccer and other sports, primarily serving audiences in the United States and Mexico.
  • E. TUDa
    TUDa is a leading German research university located in Darmstadt, renowned for its engineering, computer science, and natural sciences programs.
  • 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: UTDC
Triple: [Bombardier BiLevel Coach, laterManufacturer, UTDC]
Generated description
UTDC (Urban Transportation Development Corporation) was a Canadian government-owned transit equipment manufacturer known for producing rail vehicles and other urban transportation systems before its assets were acquired by Bombardier.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: UTDC
Target entity description: UTDC (Urban Transportation Development Corporation) was a Canadian government-owned transit equipment manufacturer known for producing rail vehicles and other urban transportation systems before its assets were acquired by Bombardier.
  • A. UTDC CLRV
    The UTDC CLRV is a type of Canadian-built streetcar that operated on the Toronto Transit Commission’s network from the late 1970s, becoming one of the city’s most recognizable transit vehicles.
  • B. UTDC ALRV
    The UTDC ALRV is a Canadian-built articulated light rail vehicle model designed for high-capacity streetcar service, notably used by the Toronto Transit Commission.
  • C. UTCR
    UTCR is the abbreviation for the Oregon Uniform Trial Court Rules, a standardized set of procedural rules governing practice in Oregon’s state trial courts.
  • D. TUDN
    TUDN is a Spanish-language sports television network and media brand focused on soccer and other sports, primarily serving audiences in the United States and Mexico.
  • E. TUDa
    TUDa is a leading German research university located in Darmstadt, renowned for its engineering, computer science, and natural sciences programs.
  • 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_69d6ab4846e081908ee7bbd66a6d3459 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9045ceeec81909427cae8972eed26 completed April 10, 2026, 2:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f660f48881908d50bf27b0892953 completed May 2, 2026, 1:04 p.m.
NEDg Description generation batch_69f5ff815b748190932bfe163ea2847d completed May 2, 2026, 1:43 p.m.
NED2 Entity disambiguation (via description) batch_69f6018b4088819092b8b97089068fae completed May 2, 2026, 1:52 p.m.
Created at: April 8, 2026, 9:48 p.m.