Triple

T15422618
Position Surface form Disambiguated ID Type / Status
Subject TTC Davisville Carhouse E369420 entity
Predicate adjacentTo P224 FINISHED
Object Davisville Yard
Davisville Yard is a Toronto Transit Commission subway yard used for storing, maintaining, and dispatching trains on Line 1 Yonge–University.
 E1155752 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: Davisville Yard | Statement: [TTC Davisville Carhouse, adjacentTo, Davisville Yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Davisville Yard
Context triple: [TTC Davisville Carhouse, adjacentTo, Davisville Yard]
  • A. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • B. Riverside Yard
    Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
  • C. Maybrook Yard
    Maybrook Yard was a major railroad classification yard in Maybrook, New York, that served as a key freight interchange point in the northeastern United States.
  • D. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • E. Lawrence Station
    Lawrence Station is a Caltrain commuter rail station in Sunnyvale, California, serving passengers along the San Francisco Peninsula rail corridor.
  • 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: Davisville Yard
Triple: [TTC Davisville Carhouse, adjacentTo, Davisville Yard]
Generated description
Davisville Yard is a Toronto Transit Commission subway yard used for storing, maintaining, and dispatching trains on Line 1 Yonge–University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Davisville Yard
Target entity description: Davisville Yard is a Toronto Transit Commission subway yard used for storing, maintaining, and dispatching trains on Line 1 Yonge–University.
  • A. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • B. Riverside Yard
    Riverside Yard is a rail yard facility in Newton, Massachusetts, serving as a storage and maintenance area for trains on the MBTA Green Line’s D branch.
  • C. Maybrook Yard
    Maybrook Yard was a major railroad classification yard in Maybrook, New York, that served as a key freight interchange point in the northeastern United States.
  • D. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • E. Lawrence Station
    Lawrence Station is a Caltrain commuter rail station in Sunnyvale, California, serving passengers along the San Francisco Peninsula rail corridor.
  • 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_69d85a1849f48190bf898068b2806fae completed April 10, 2026, 2:02 a.m.
NER Named-entity recognition batch_69e03ec032548190840b558dde6057c7 completed April 16, 2026, 1:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff1a7d02a08190a1e34e3a014acea9 completed May 9, 2026, 11:29 a.m.
NEDg Description generation batch_69ff1b3c563481908418411a977df343 completed May 9, 2026, 11:32 a.m.
NED2 Entity disambiguation (via description) batch_69ff1c0ad5448190903dc38f78512f3b completed May 9, 2026, 11:35 a.m.
Created at: April 10, 2026, 3:20 a.m.