Triple

T4099597
Position Surface form Disambiguated ID Type / Status
Subject Edmonton LRT E87907 entity
Predicate operator P179 FINISHED
Object Edmonton Transit Service
Edmonton Transit Service is the public transportation agency responsible for operating buses and light rail transit in Edmonton, Alberta, Canada.
 E412780 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: Edmonton Transit Service | Statement: [Edmonton LRT, operator, Edmonton Transit Service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Edmonton Transit Service
Context triple: [Edmonton LRT, operator, Edmonton Transit Service]
  • A. Saskatoon Transit
    Saskatoon Transit is the public transportation agency that operates the city bus network in Saskatoon, Saskatchewan, Canada.
  • B. Brampton Transit
    Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
  • C. Edmonton LRT
    Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
  • D. Durham Region Transit
    Durham Region Transit is the public transportation agency serving Ontario's Regional Municipality of Durham with bus services connecting its cities and towns to each other and to the Greater Toronto Area.
  • E. OC Transpo
    OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
  • 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: Edmonton Transit Service
Triple: [Edmonton LRT, operator, Edmonton Transit Service]
Generated description
Edmonton Transit Service is the public transportation agency responsible for operating buses and light rail transit in Edmonton, Alberta, Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Edmonton Transit Service
Target entity description: Edmonton Transit Service is the public transportation agency responsible for operating buses and light rail transit in Edmonton, Alberta, Canada.
  • A. Saskatoon Transit
    Saskatoon Transit is the public transportation agency that operates the city bus network in Saskatoon, Saskatchewan, Canada.
  • B. Brampton Transit
    Brampton Transit is the public bus transportation system serving the city of Brampton in Ontario, Canada.
  • C. Edmonton LRT
    Edmonton LRT is the light rail transit system serving the city of Edmonton, Alberta, providing urban and suburban passenger rail service across multiple lines.
  • D. Durham Region Transit
    Durham Region Transit is the public transportation agency serving Ontario's Regional Municipality of Durham with bus services connecting its cities and towns to each other and to the Greater Toronto Area.
  • E. OC Transpo
    OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
  • 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_69aed94564cc8190a9c1457daedb6e7f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefd0d9c508190b8aedf83f3310513 completed March 9, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b7585bc81909dc2c02e60a55def completed March 14, 2026, 2:06 p.m.
NEDg Description generation batch_69b56c3a4b708190a55027fd3b2b76e0 completed March 14, 2026, 2:10 p.m.
NED2 Entity disambiguation (via description) batch_69b56cc5c704819083dac59bf7b3cb83 completed March 14, 2026, 2:12 p.m.
Created at: March 9, 2026, 3:40 p.m.