Triple

T9993726
Position Surface form Disambiguated ID Type / Status
Subject YRT E196948 entity
Predicate formedByMergerOf P77 FINISHED
Object Aurora Transit
Aurora Transit was a former local public transit operator in Aurora, Ontario, that was amalgamated into the regional York Region Transit system.
E833662 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: Aurora Transit | Statement: [YRT, formedByMergerOf, Aurora Transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Aurora Transit
Context triple: [YRT, formedByMergerOf, Aurora Transit]
  • A. Omnitrans
    Omnitrans is the primary public bus transit agency serving San Bernardino County and surrounding communities in Southern California.
  • B. Pierce Transit
    Pierce Transit is a public transportation agency serving Pierce County, Washington, providing local bus, paratransit, and related transit services in the South Puget Sound region.
  • 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. Helena Area Transit System
    Helena Area Transit System is the primary public bus service providing local transportation within Helena, Montana.
  • E. Arrowhead Transit
    Arrowhead Transit is a regional public transportation service operating in and around Hibbing, Minnesota, providing bus and demand-response rides for local residents.
  • 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: Aurora Transit
Triple: [YRT, formedByMergerOf, Aurora Transit]
Generated description
Aurora Transit was a former local public transit operator in Aurora, Ontario, that was amalgamated into the regional York Region Transit system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Aurora Transit
Target entity description: Aurora Transit was a former local public transit operator in Aurora, Ontario, that was amalgamated into the regional York Region Transit system.
  • A. Omnitrans
    Omnitrans is the primary public bus transit agency serving San Bernardino County and surrounding communities in Southern California.
  • B. Pierce Transit
    Pierce Transit is a public transportation agency serving Pierce County, Washington, providing local bus, paratransit, and related transit services in the South Puget Sound region.
  • 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. Helena Area Transit System
    Helena Area Transit System is the primary public bus service providing local transportation within Helena, Montana.
  • E. Arrowhead Transit
    Arrowhead Transit is a regional public transportation service operating in and around Hibbing, Minnesota, providing bus and demand-response rides for local residents.
  • 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_69ca82f1678c819093d06320a05f16a4 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdcb982d5c81909779c6e9d780b399 completed April 2, 2026, 1:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2582ac03481908e76c10218f419d5 completed April 5, 2026, 12:40 p.m.
NEDg Description generation batch_69d259701e488190b288c9f523a1ec87 completed April 5, 2026, 12:45 p.m.
NED2 Entity disambiguation (via description) batch_69d259da25e081909ac184f4fa80c57e completed April 5, 2026, 12:47 p.m.
Created at: March 30, 2026, 8:50 p.m.