Triple

T8391099
Position Surface form Disambiguated ID Type / Status
Subject Coquitlam E197943 entity
Predicate hasStation P35 FINISHED
Object Lafarge Lake–Douglas station
Lafarge Lake–Douglas station is a rapid transit station on Metro Vancouver’s SkyTrain Evergreen Extension serving the city of Coquitlam, British Columbia.
E730833 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: Lafarge Lake–Douglas station | Statement: [Coquitlam, hasStation, Lafarge Lake–Douglas station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lafarge Lake–Douglas station
Context triple: [Coquitlam, hasStation, Lafarge Lake–Douglas station]
  • A. Dow’s Lake station
    Dow’s Lake station is a public transit stop in Ottawa, Canada, serving the Dow’s Lake area and nearby attractions such as the Rideau Canal and surrounding parks.
  • B. Big Lake station
    Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
  • C. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • D. Alewife station
    Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
  • E. Barron Falls station
    Barron Falls station is a scenic railway stop in Queensland, Australia, known for its dramatic views of Barron Falls and the surrounding rainforest.
  • 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: Lafarge Lake–Douglas station
Triple: [Coquitlam, hasStation, Lafarge Lake–Douglas station]
Generated description
Lafarge Lake–Douglas station is a rapid transit station on Metro Vancouver’s SkyTrain Evergreen Extension serving the city of Coquitlam, British Columbia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lafarge Lake–Douglas station
Target entity description: Lafarge Lake–Douglas station is a rapid transit station on Metro Vancouver’s SkyTrain Evergreen Extension serving the city of Coquitlam, British Columbia.
  • A. Dow’s Lake station
    Dow’s Lake station is a public transit stop in Ottawa, Canada, serving the Dow’s Lake area and nearby attractions such as the Rideau Canal and surrounding parks.
  • B. Big Lake station
    Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
  • C. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • D. Alewife station
    Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
  • E. Barron Falls station
    Barron Falls station is a scenic railway stop in Queensland, Australia, known for its dramatic views of Barron Falls and the surrounding rainforest.
  • 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_69ca82f749388190bffbea6dfb509016 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb810c5c5c81908e124c64911c4e6c completed March 31, 2026, 8:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69cde84d6f3c8190ba12905ba5900087 completed April 2, 2026, 3:53 a.m.
NEDg Description generation batch_69cdebfc63e8819087f5c1d588b58e21 completed April 2, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69cded77618c81909e8786ccd2f3e4b6 completed April 2, 2026, 4:15 a.m.
Created at: March 30, 2026, 6:03 p.m.