Triple

T11026715
Position Surface form Disambiguated ID Type / Status
Subject MBTA Framingham/Worcester Line E260642 entity
Predicate hasStation P35 FINISHED
Object Westborough station
Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
E912736 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: Westborough station | Statement: [MBTA Framingham/Worcester Line, hasStation, Westborough station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Westborough station
Context triple: [MBTA Framingham/Worcester Line, hasStation, Westborough station]
  • A. Southborough station
    Southborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Southborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
  • B. Fitchburg station
    Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
  • C. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • D. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • E. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • 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: Westborough station
Triple: [MBTA Framingham/Worcester Line, hasStation, Westborough station]
Generated description
Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Westborough station
Target entity description: Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
  • A. Southborough station
    Southborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Southborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
  • B. Fitchburg station
    Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
  • C. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • D. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • E. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • 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_69d6aa9687448190b28d353b1b6a610e completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d797d190f08190bcb5949ee24306f1 completed April 9, 2026, 12:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4acc9d60c819084e342076fe682fc completed April 19, 2026, 10:22 a.m.
NEDg Description generation batch_69e4b1ee74748190a33449ce1b92813e completed April 19, 2026, 10:43 a.m.
NED2 Entity disambiguation (via description) batch_69e4b3d23b18819096f3a11aecc732bd completed April 19, 2026, 10:52 a.m.
Created at: April 8, 2026, 9:25 p.m.