Triple

T17175295
Position Surface form Disambiguated ID Type / Status
Subject Calgary Transit bus network E416843 entity
Predicate integratedWith P2830 FINISHED
Object CTrain light rail system
The CTrain light rail system is Calgary’s primary urban rail network, providing high-capacity, electric rapid transit service across the city.
 E1254539 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: CTrain light rail system | Statement: [Calgary Transit bus network, integratedWith, CTrain light rail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTrain light rail system
Context triple: [Calgary Transit bus network, integratedWith, CTrain light rail system]
  • A. MAX Light Rail
    MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
  • B. METRO light rail
    METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
  • C. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • D. C Line light rail
    C Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that operates along the Southeast Corridor, linking downtown Denver with southern suburbs.
  • E. SPRINTER light rail
    SPRINTER light rail is a diesel multiple-unit light rail service in northern San Diego County, California, connecting Oceanside with inland cities such as Vista, San Marcos, and Escondido.
  • 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: CTrain light rail system
Triple: [Calgary Transit bus network, integratedWith, CTrain light rail system]
Generated description
The CTrain light rail system is Calgary’s primary urban rail network, providing high-capacity, electric rapid transit service across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTrain light rail system
Target entity description: The CTrain light rail system is Calgary’s primary urban rail network, providing high-capacity, electric rapid transit service across the city.
  • A. MAX Light Rail
    MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
  • B. METRO light rail
    METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
  • C. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • D. C Line light rail
    C Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that operates along the Southeast Corridor, linking downtown Denver with southern suburbs.
  • E. SPRINTER light rail
    SPRINTER light rail is a diesel multiple-unit light rail service in northern San Diego County, California, connecting Oceanside with inland cities such as Vista, San Marcos, and Escondido.
  • 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_69d886d5f34c8190b24564dfaa63f3fb completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3fc0cec448190b30466628a2ff23f completed April 18, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0148435f6081909bfc6cc1ef59d971 completed May 11, 2026, 3:08 a.m.
NEDg Description generation batch_6a014a4fdcf081908be68b1eda2066df completed May 11, 2026, 3:17 a.m.
NED2 Entity disambiguation (via description) batch_6a014adf25808190ad712fbd7560e91d completed May 11, 2026, 3:19 a.m.
Created at: April 10, 2026, 5:37 a.m.