Triple

T4385218
Position Surface form Disambiguated ID Type / Status
Subject UP Express E99224 entity
Predicate intermediateStation P24280 FINISHED
Object Weston Station
Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
E442873 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: Weston Station | Statement: [UP Express, intermediateStation, Weston Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Weston Station
Context triple: [UP Express, intermediateStation, Weston Station]
  • A. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • B. Wellesley Hills station
    Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
  • C. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • D. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • E. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • 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: Weston Station
Triple: [UP Express, intermediateStation, Weston Station]
Generated description
Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Weston Station
Target entity description: Weston Station is a commuter rail station in Toronto, Ontario, serving as a stop on the Union Pearson Express line between downtown Toronto and Pearson International Airport.
  • A. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • B. Wellesley Hills station
    Wellesley Hills station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Wellesley Hills neighborhood in Wellesley, Massachusetts.
  • C. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • D. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • E. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • 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_69b3454f739481909ff6c28331f0c0b9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35264e44c81908dd0e0a81f1353bb completed March 12, 2026, 11:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b627e47ff48190b5aea21e4af773de completed March 15, 2026, 3:30 a.m.
NEDg Description generation batch_69b628fe10908190978dd0361628f54f completed March 15, 2026, 3:35 a.m.
NED2 Entity disambiguation (via description) batch_69b629ab52c881909f7fbef6f77b5bc4 completed March 15, 2026, 3:38 a.m.
Created at: March 12, 2026, 11:19 p.m.