Triple

T18497292
Position Surface form Disambiguated ID Type / Status
Subject Bathurst station E451979 entity
Predicate hasSecondaryEntrance P42028 FINISHED
Object Markham Street entrance
The Markham Street entrance is a secondary access point to Toronto's Bathurst subway station, serving riders from the surrounding residential area.
 E1327400 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: Markham Street entrance | Statement: [Bathurst station, hasSecondaryEntrance, Markham Street entrance]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Markham Street entrance
Context triple: [Bathurst station, hasSecondaryEntrance, Markham Street entrance]
  • A. Cambridge Street entrance
    The Cambridge Street entrance is a primary street-level access point to Boston’s Government Center MBTA station, connecting riders from Cambridge Street to the subway complex.
  • B. Parkgate Street entrance
    Parkgate Street entrance is a main gateway on the southern side of Phoenix Park in Dublin, providing pedestrian and vehicular access to the park from the city.
  • C. Palmer Street entrance
    Palmer Street entrance is one of the access points to London’s St James’s Park Underground station, serving passengers near Palmer Street in Westminster.
  • D. Church Street entrance
    The Church Street entrance is one of the access points to Harvard station on the Massachusetts Bay Transportation Authority (MBTA) Red Line in Cambridge, Massachusetts.
  • E. Rampayne Street entrance
    The Rampayne Street entrance is one of the public access points leading into Pimlico Underground station on the London Underground network.
  • 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: Markham Street entrance
Triple: [Bathurst station, hasSecondaryEntrance, Markham Street entrance]
Generated description
The Markham Street entrance is a secondary access point to Toronto's Bathurst subway station, serving riders from the surrounding residential area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Markham Street entrance
Target entity description: The Markham Street entrance is a secondary access point to Toronto's Bathurst subway station, serving riders from the surrounding residential area.
  • A. Cambridge Street entrance
    The Cambridge Street entrance is a primary street-level access point to Boston’s Government Center MBTA station, connecting riders from Cambridge Street to the subway complex.
  • B. Parkgate Street entrance
    Parkgate Street entrance is a main gateway on the southern side of Phoenix Park in Dublin, providing pedestrian and vehicular access to the park from the city.
  • C. Palmer Street entrance
    Palmer Street entrance is one of the access points to London’s St James’s Park Underground station, serving passengers near Palmer Street in Westminster.
  • D. Church Street entrance
    The Church Street entrance is one of the access points to Harvard station on the Massachusetts Bay Transportation Authority (MBTA) Red Line in Cambridge, Massachusetts.
  • E. Rampayne Street entrance
    The Rampayne Street entrance is one of the public access points leading into Pimlico Underground station on the London Underground network.
  • 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_69d8d3855d50819097fc8561b0299dd9 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e532c15dec8190941e7c7a4cdebb66 completed April 19, 2026, 7:53 p.m.
NED1 Entity disambiguation (via context triple) batch_6a047140433481908993cac57195a095 completed May 13, 2026, 12:40 p.m.
NEDg Description generation batch_6a047404e3d48190b216f326042c9584 completed May 13, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_6a0474a01e088190bfd475c4d2255bf1 completed May 13, 2026, 12:54 p.m.
Created at: April 10, 2026, 11:36 a.m.