Triple

T9951947
Position Surface form Disambiguated ID Type / Status
Subject SkyTrain Millennium Line E195350 entity
Predicate terminus P388 FINISHED
Object Lafarge Lake–Douglas station E730833 NE FINISHED

How this triple was built (2 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: [SkyTrain Millennium Line, terminus, Lafarge Lake–Douglas station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lafarge Lake–Douglas station
Context triple: [SkyTrain Millennium Line, terminus, Lafarge Lake–Douglas station]
  • A. Lafarge Lake–Douglas station chosen
    Lafarge Lake–Douglas station is a rapid transit station on Metro Vancouver’s SkyTrain Evergreen Extension serving the city of Coquitlam, British Columbia.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82e96a108190932bd1fc4acd73a0 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb6922f888190b5c4b58fbe21bea2 completed April 2, 2026, 12:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2293dc93881908aff4cb3640c0edf completed April 5, 2026, 9:19 a.m.
Created at: March 30, 2026, 8:46 p.m.