Triple

T15422627
Position Surface form Disambiguated ID Type / Status
Subject TTC Davisville Carhouse E369420 entity
Predicate isPartOfComplex P35 FINISHED
Object Davisville Yard and Carhouse complex
Davisville Yard and Carhouse complex is a Toronto Transit Commission facility that serves as a key storage, maintenance, and operations hub for subway trains on Line 1.
 E1155753 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 and Carhouse complex | Statement: [TTC Davisville Carhouse, isPartOfComplex, Davisville Yard and Carhouse complex]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Davisville Yard and Carhouse complex
Context triple: [TTC Davisville Carhouse, isPartOfComplex, Davisville Yard and Carhouse complex]
  • A. 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.
  • 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. 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.
  • D. Sunnyside Yard
    Sunnyside Yard is a major rail yard in Queens, New York City, serving as a key hub for Amtrak, NJ Transit, and other commuter rail operations just east of Manhattan.
  • E. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Davisville Yard and Carhouse complex
Target entity description: Davisville Yard and Carhouse complex is a Toronto Transit Commission facility that serves as a key storage, maintenance, and operations hub for subway trains on Line 1.
  • A. 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.
  • 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. 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.
  • D. Sunnyside Yard
    Sunnyside Yard is a major rail yard in Queens, New York City, serving as a key hub for Amtrak, NJ Transit, and other commuter rail operations just east of Manhattan.
  • E. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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 and Carhouse complex
Triple: [TTC Davisville Carhouse, isPartOfComplex, Davisville Yard and Carhouse complex]
Generated description
Davisville Yard and Carhouse complex is a Toronto Transit Commission facility that serves as a key storage, maintenance, and operations hub for subway trains on Line 1.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d85a1849f48190bf898068b2806fae elicitation completed
NER batch_69e03ec032548190840b558dde6057c7 ner completed
NED1 batch_69ff1a7d02a08190a1e34e3a014acea9 ned_source_triple completed
NED2 batch_69ff1c0ad5448190903dc38f78512f3b ned_description completed
NEDg batch_69ff1b3c563481908418411a977df343 nedg completed
Created at: April 10, 2026, 3:20 a.m.