Triple

T2163253
Position Surface form Disambiguated ID Type / Status
Subject Toronto subway E46847 entity
Predicate depot P14646 FINISHED
Object Wilson Yard
Wilson Yard is a major Toronto Transit Commission subway maintenance and storage facility serving the city's rapid transit network.
 E239026 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: Wilson Yard | Statement: [Toronto subway, depot, Wilson Yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wilson Yard
Context triple: [Toronto subway, depot, Wilson Yard]
  • A. Bailey Yard
    Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
  • B. 54th Yard
    54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
  • C. Dollar Glen
    Dollar Glen is a scenic wooded gorge and popular walking area in Clackmannanshire, Scotland, known for its waterfalls, wildlife, and historic castle ruins.
  • D. Woodlawn Yard
    Woodlawn Yard is a New York City Subway train storage and maintenance facility serving the northern end of the IRT Jerome Avenue Line in the Bronx.
  • E. West Field
    West Field is a former World War II airfield on the island of Tinian in the Northern Mariana Islands, historically used by the United States Army Air Forces for B-29 bomber operations.
  • 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: Wilson Yard
Triple: [Toronto subway, depot, Wilson Yard]
Generated description
Wilson Yard is a major Toronto Transit Commission subway maintenance and storage facility serving the city's rapid transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Wilson Yard
Target entity description: Wilson Yard is a major Toronto Transit Commission subway maintenance and storage facility serving the city's rapid transit network.
  • A. Bailey Yard
    Bailey Yard is the world’s largest railroad classification yard, located in North Platte, Nebraska, and serving as a major hub for freight train operations in the United States.
  • B. 54th Yard
    54th Yard is a maintenance and storage facility serving trains on Chicago's Pink Line rapid transit route.
  • C. Dollar Glen
    Dollar Glen is a scenic wooded gorge and popular walking area in Clackmannanshire, Scotland, known for its waterfalls, wildlife, and historic castle ruins.
  • D. Woodlawn Yard
    Woodlawn Yard is a New York City Subway train storage and maintenance facility serving the northern end of the IRT Jerome Avenue Line in the Bronx.
  • E. West Field
    West Field is a former World War II airfield on the island of Tinian in the Northern Mariana Islands, historically used by the United States Army Air Forces for B-29 bomber operations.
  • 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_69a88a184cbc8190877791f6552c2484 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbe8d105c819098371c35c88873dc completed March 7, 2026, 5:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae58ee18ac81909f02e2c87000365b completed March 9, 2026, 5:21 a.m.
NEDg Description generation batch_69ae597198b88190b0253aa121ed35e1 completed March 9, 2026, 5:24 a.m.
NED2 Entity disambiguation (via description) batch_69ae5a02404c819088acf7c592cb2cae completed March 9, 2026, 5:26 a.m.
Created at: March 4, 2026, 7:45 p.m.